Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.yangutils.linker.impl; |
| 18 | |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 19 | import java.io.Serializable; |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 20 | import java.util.Iterator; |
| 21 | import java.util.List; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 22 | import java.util.Stack; |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 23 | |
| 24 | import org.onosproject.yangutils.datamodel.Resolvable; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 25 | import org.onosproject.yangutils.datamodel.ResolvableType; |
| 26 | import org.onosproject.yangutils.datamodel.YangAtomicPath; |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 27 | import org.onosproject.yangutils.datamodel.YangAugment; |
| 28 | import org.onosproject.yangutils.datamodel.YangAugmentableNode; |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 29 | import org.onosproject.yangutils.datamodel.YangBase; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 30 | import org.onosproject.yangutils.datamodel.YangDerivedInfo; |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 31 | import org.onosproject.yangutils.datamodel.YangEntityToResolveInfo; |
| 32 | import org.onosproject.yangutils.datamodel.YangFeature; |
| 33 | import org.onosproject.yangutils.datamodel.YangFeatureHolder; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 34 | import org.onosproject.yangutils.datamodel.YangGrouping; |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 35 | import org.onosproject.yangutils.datamodel.YangIdentity; |
| 36 | import org.onosproject.yangutils.datamodel.YangIdentityRef; |
Bharat saraswal | af413b8 | 2016-07-14 15:18:20 +0530 | [diff] [blame] | 37 | import org.onosproject.yangutils.datamodel.YangIfFeature; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 38 | import org.onosproject.yangutils.datamodel.YangImport; |
| 39 | import org.onosproject.yangutils.datamodel.YangInclude; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 40 | import org.onosproject.yangutils.datamodel.YangInput; |
| 41 | import org.onosproject.yangutils.datamodel.YangLeaf; |
| 42 | import org.onosproject.yangutils.datamodel.YangLeafList; |
| 43 | import org.onosproject.yangutils.datamodel.YangLeafRef; |
| 44 | import org.onosproject.yangutils.datamodel.YangLeavesHolder; |
| 45 | import org.onosproject.yangutils.datamodel.YangList; |
| 46 | import org.onosproject.yangutils.datamodel.YangModule; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 47 | import org.onosproject.yangutils.datamodel.YangNode; |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 48 | import org.onosproject.yangutils.datamodel.YangNodeIdentifier; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 49 | import org.onosproject.yangutils.datamodel.YangOutput; |
| 50 | import org.onosproject.yangutils.datamodel.YangPathArgType; |
| 51 | import org.onosproject.yangutils.datamodel.YangPathPredicate; |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 52 | import org.onosproject.yangutils.datamodel.YangReferenceResolver; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 53 | import org.onosproject.yangutils.datamodel.YangRelativePath; |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 54 | import org.onosproject.yangutils.datamodel.YangResolutionInfo; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 55 | import org.onosproject.yangutils.datamodel.YangRpc; |
| 56 | import org.onosproject.yangutils.datamodel.YangSubModule; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 57 | import org.onosproject.yangutils.datamodel.YangType; |
| 58 | import org.onosproject.yangutils.datamodel.YangTypeDef; |
| 59 | import org.onosproject.yangutils.datamodel.YangUses; |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 60 | import org.onosproject.yangutils.datamodel.YangXPathResolver; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 61 | import org.onosproject.yangutils.datamodel.exceptions.DataModelException; |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 62 | import org.onosproject.yangutils.datamodel.utils.ResolvableStatus; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 63 | import org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes; |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 64 | import org.onosproject.yangutils.linker.YangLinkingPhase; |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 65 | import org.onosproject.yangutils.linker.exceptions.LinkerException; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 66 | |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 67 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.INTER_FILE_LINKED; |
| 68 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.INTRA_FILE_RESOLVED; |
| 69 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.LINKED; |
| 70 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.RESOLVED; |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 71 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.UNDEFINED; |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 72 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.UNRESOLVED; |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 73 | import static org.onosproject.yangutils.linker.YangLinkingPhase.INTER_FILE; |
| 74 | import static org.onosproject.yangutils.linker.YangLinkingPhase.INTRA_FILE; |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 75 | import static org.onosproject.yangutils.linker.impl.YangLinkerUtils.detectCollisionForAugmentedNode; |
Bharat saraswal | af413b8 | 2016-07-14 15:18:20 +0530 | [diff] [blame] | 76 | import static org.onosproject.yangutils.utils.UtilConstants.BASE_LINKER_ERROR; |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 77 | import static org.onosproject.yangutils.utils.UtilConstants.FEATURE_LINKER_ERROR; |
Vidyashree Rama | 5daea74 | 2016-05-20 16:29:25 +0530 | [diff] [blame] | 78 | import static org.onosproject.yangutils.utils.UtilConstants.GROUPING_LINKER_ERROR; |
Bharat saraswal | af413b8 | 2016-07-14 15:18:20 +0530 | [diff] [blame] | 79 | import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF; |
| 80 | import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF_LINKER_ERROR; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 81 | import static org.onosproject.yangutils.utils.UtilConstants.INPUT; |
| 82 | import static org.onosproject.yangutils.utils.UtilConstants.LEAFREF; |
| 83 | import static org.onosproject.yangutils.utils.UtilConstants.LEAFREF_LINKER_ERROR; |
| 84 | import static org.onosproject.yangutils.utils.UtilConstants.OUTPUT; |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 85 | import static org.onosproject.yangutils.utils.UtilConstants.TYPEDEF_LINKER_ERROR; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 86 | |
| 87 | /** |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 88 | * Represents implementation of resolution object which will be resolved by |
| 89 | * linker. |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 90 | * |
| 91 | * @param <T> type of resolution entity uses / type |
| 92 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 93 | public class YangResolutionInfoImpl<T> |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 94 | implements YangResolutionInfo<T>, Serializable { |
| 95 | |
| 96 | private static final long serialVersionUID = 806201658L; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 97 | |
| 98 | /** |
| 99 | * Information about the entity that needs to be resolved. |
| 100 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 101 | private YangEntityToResolveInfoImpl<T> entityToResolveInfo; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 102 | |
| 103 | /** |
| 104 | * Error line number. |
| 105 | */ |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 106 | private transient int lineNumber; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 107 | |
| 108 | /** |
| 109 | * Error character position in number. |
| 110 | */ |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 111 | private transient int charPosition; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 112 | |
| 113 | /** |
| 114 | * Current module/sub-module reference, will be used in inter-file/ |
| 115 | * inter-jar scenario to get the import/include list. |
| 116 | */ |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 117 | private transient YangReferenceResolver curReferenceResolver; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 118 | |
| 119 | /** |
| 120 | * Stack for type/uses is maintained for hierarchical references, this is |
| 121 | * used during resolution. |
| 122 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 123 | private Stack<YangEntityToResolveInfoImpl<T>> partialResolvedStack; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 124 | |
| 125 | /** |
| 126 | * It is private to ensure the overloaded method be invoked to create an |
| 127 | * object. |
| 128 | */ |
| 129 | @SuppressWarnings("unused") |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 130 | private YangResolutionInfoImpl() { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Creates a resolution information object with all the inputs. |
| 135 | * |
| 136 | * @param dataNode current parsable data node |
| 137 | * @param holderNode parent YANG node |
| 138 | * @param lineNumber error line number |
| 139 | * @param charPositionInLine error character position in line |
| 140 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 141 | public YangResolutionInfoImpl(T dataNode, YangNode holderNode, int lineNumber, int charPositionInLine) { |
| 142 | setEntityToResolveInfo(new YangEntityToResolveInfoImpl<>()); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 143 | getEntityToResolveInfo().setEntityToResolve(dataNode); |
| 144 | getEntityToResolveInfo().setHolderOfEntityToResolve(holderNode); |
| 145 | this.setLineNumber(lineNumber); |
| 146 | this.setCharPosition(charPositionInLine); |
| 147 | setPartialResolvedStack(new Stack<>()); |
| 148 | } |
| 149 | |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 150 | @Override |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 151 | public void resolveLinkingForResolutionInfo(YangReferenceResolver dataModelRootNode) |
| 152 | throws DataModelException { |
| 153 | |
| 154 | setCurReferenceResolver(dataModelRootNode); |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 155 | /** |
| 156 | * Current node to resolve, it can be a YANG type, YANG uses or YANG if-feature or |
| 157 | * YANG leafref or YANG base or YANG identityref. |
| 158 | */ |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 159 | T entityToResolve = getEntityToResolveInfo().getEntityToResolve(); |
| 160 | |
| 161 | // Check if linking is already done |
| 162 | if (entityToResolve instanceof Resolvable) { |
| 163 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 164 | if (resolvable.getResolvableStatus() == RESOLVED) { |
| 165 | /** |
| 166 | * entity is already resolved, so nothing to do |
| 167 | */ |
| 168 | return; |
| 169 | } |
| 170 | } else { |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 171 | throw new DataModelException("Data Model Exception: Entity to resolved is other than " + |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 172 | "type/uses/if-feature/leafref/base/identityref"); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 173 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 174 | // Push the initial entity to resolve in stack. |
| 175 | addInPartialResolvedStack(getEntityToResolveInfo()); |
| 176 | |
| 177 | linkAndResolvePartialResolvedStack(); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 178 | |
| 179 | addDerivedRefTypeToRefTypeResolutionList(); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Resolves linking with ancestors. |
| 184 | * |
| 185 | * @throws DataModelException a violation of data model rules |
| 186 | */ |
| 187 | private void linkAndResolvePartialResolvedStack() |
| 188 | throws DataModelException { |
| 189 | |
| 190 | while (getPartialResolvedStack().size() != 0) { |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 191 | /** |
| 192 | * Current node to resolve, it can be a YANG type or YANG uses or |
| 193 | * YANG if-feature or YANG leafref or YANG base or YANG identityref. |
| 194 | */ |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 195 | T entityToResolve = getCurrentEntityToResolveFromStack(); |
| 196 | // Check if linking is already done |
| 197 | if (entityToResolve instanceof Resolvable) { |
| 198 | |
| 199 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 200 | switch (resolvable.getResolvableStatus()) { |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 201 | case RESOLVED: { |
| 202 | /* |
| 203 | * If the entity is already resolved in the stack, then pop |
| 204 | * it and continue with the remaining stack elements to |
| 205 | * resolve |
| 206 | */ |
| 207 | getPartialResolvedStack().pop(); |
| 208 | break; |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 209 | } |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 210 | |
| 211 | case LINKED: { |
| 212 | /* |
| 213 | * If the top of the stack is already linked then resolve |
| 214 | * the references and pop the entity and continue with |
| 215 | * remaining stack elements to resolve. |
| 216 | */ |
| 217 | resolveTopOfStack(INTRA_FILE); |
| 218 | getPartialResolvedStack().pop(); |
| 219 | break; |
| 220 | } |
| 221 | |
| 222 | case INTRA_FILE_RESOLVED: { |
| 223 | /* |
| 224 | * Pop the top of the stack. |
| 225 | */ |
| 226 | getPartialResolvedStack().pop(); |
| 227 | break; |
| 228 | } |
| 229 | |
| 230 | case UNRESOLVED: { |
| 231 | linkTopOfStackReferenceUpdateStack(); |
| 232 | |
| 233 | if (resolvable.getResolvableStatus() == UNRESOLVED) { |
| 234 | // If current entity is still not resolved, then |
| 235 | // linking/resolution has failed. |
| 236 | String errorInfo; |
| 237 | if (resolvable instanceof YangType) { |
| 238 | errorInfo = TYPEDEF_LINKER_ERROR; |
| 239 | } else if (resolvable instanceof YangUses) { |
| 240 | errorInfo = GROUPING_LINKER_ERROR; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 241 | } else if (resolvable instanceof YangIfFeature) { |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 242 | errorInfo = FEATURE_LINKER_ERROR; |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 243 | } else if (resolvable instanceof YangBase) { |
| 244 | errorInfo = BASE_LINKER_ERROR; |
| 245 | } else if (resolvable instanceof YangIdentityRef) { |
| 246 | errorInfo = IDENTITYREF_LINKER_ERROR; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 247 | } else { |
| 248 | errorInfo = LEAFREF_LINKER_ERROR; |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 249 | } |
| 250 | DataModelException dataModelException = |
| 251 | new DataModelException(errorInfo); |
| 252 | dataModelException.setLine(getLineNumber()); |
| 253 | dataModelException.setCharPosition(getCharPosition()); |
| 254 | throw dataModelException; |
| 255 | } |
| 256 | break; |
| 257 | } |
| 258 | default: { |
| 259 | throw new DataModelException("Data Model Exception: Unsupported, linker state"); |
| 260 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 261 | |
| 262 | } |
| 263 | |
| 264 | } else { |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 265 | throw new DataModelException( |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 266 | "Data Model Exception: Entity to resolved is other than type/uses/if-feature" + |
| 267 | "/leafref/base/identityref"); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 268 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | } |
| 272 | |
| 273 | /** |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 274 | * Adds the leafref/identityref type to the type, which has derived type referring to |
| 275 | * typedef with leafref/identityref type. |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 276 | */ |
| 277 | private void addDerivedRefTypeToRefTypeResolutionList() throws DataModelException { |
| 278 | |
| 279 | YangNode potentialAncestorWithReferredNode = getEntityToResolveInfo().getHolderOfEntityToResolve(); |
| 280 | |
| 281 | // If holder is typedef return. |
| 282 | if (potentialAncestorWithReferredNode instanceof YangTypeDef) { |
| 283 | return; |
| 284 | } |
| 285 | |
| 286 | // If entity is not type return. |
| 287 | if (!(getEntityToResolveInfo().getEntityToResolve() instanceof YangType)) { |
| 288 | return; |
| 289 | } |
| 290 | |
| 291 | YangType yangType = (YangType) getEntityToResolveInfo().getEntityToResolve(); |
| 292 | |
| 293 | // If type is not resolved return. |
| 294 | if (yangType.getResolvableStatus() != RESOLVED) { |
| 295 | return; |
| 296 | } |
| 297 | |
| 298 | YangDerivedInfo derivedInfo = (YangDerivedInfo) yangType.getDataTypeExtendedInfo(); |
| 299 | |
| 300 | /* |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 301 | * If the derived types referred type is not leafref/identityref return |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 302 | */ |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 303 | if ((derivedInfo.getEffectiveBuiltInType() != YangDataTypes.LEAFREF) && |
| 304 | (derivedInfo.getEffectiveBuiltInType() != YangDataTypes.IDENTITYREF)) { |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 305 | return; |
| 306 | } |
| 307 | |
| 308 | T extendedInfo = (T) derivedInfo.getReferredTypeDef().getTypeDefBaseType().getDataTypeExtendedInfo(); |
| 309 | |
| 310 | while (extendedInfo instanceof YangDerivedInfo) { |
| 311 | YangDerivedInfo derivedInfoFromTypedef = (YangDerivedInfo) extendedInfo; |
| 312 | extendedInfo = (T) derivedInfoFromTypedef.getReferredTypeDef().getTypeDefBaseType() |
| 313 | .getDataTypeExtendedInfo(); |
| 314 | } |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 315 | |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 316 | /* |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 317 | * Backup the derived types leafref/identityref info, delete all the info in current type, |
| 318 | * but for resolution status as resolved. Copy the backed up leafref/identityref to types extended info, |
| 319 | * create a leafref/identityref resolution info using the current resolution info and |
| 320 | * add to leafref/identityref resolution list. |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 321 | */ |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 322 | if (derivedInfo.getEffectiveBuiltInType() == YangDataTypes.LEAFREF) { |
| 323 | YangLeafRef leafRefInTypeDef = (YangLeafRef) extendedInfo; |
| 324 | yangType.resetYangType(); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 325 | |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 326 | yangType.setResolvableStatus(RESOLVED); |
| 327 | yangType.setDataType(YangDataTypes.LEAFREF); |
| 328 | yangType.setDataTypeName(LEAFREF); |
| 329 | yangType.setDataTypeExtendedInfo(leafRefInTypeDef); |
| 330 | leafRefInTypeDef.setResolvableStatus(UNRESOLVED); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 331 | |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 332 | // Add resolution information to the list. |
| 333 | YangResolutionInfoImpl resolutionInfoImpl = new YangResolutionInfoImpl<>(leafRefInTypeDef, |
| 334 | potentialAncestorWithReferredNode, |
| 335 | getLineNumber(), getCharPosition()); |
| 336 | getCurReferenceResolver().addToResolutionList(resolutionInfoImpl, |
| 337 | ResolvableType.YANG_LEAFREF); |
| 338 | getCurReferenceResolver().resolveSelfFileLinking(ResolvableType.YANG_LEAFREF); |
| 339 | |
| 340 | } else if (derivedInfo.getEffectiveBuiltInType() == YangDataTypes.IDENTITYREF) { |
| 341 | |
| 342 | YangIdentityRef identityRefInTypeDef = (YangIdentityRef) extendedInfo; |
| 343 | yangType.resetYangType(); |
| 344 | |
| 345 | yangType.setResolvableStatus(RESOLVED); |
| 346 | yangType.setDataType(YangDataTypes.IDENTITYREF); |
| 347 | yangType.setDataTypeName(IDENTITYREF); |
| 348 | yangType.setDataTypeExtendedInfo(identityRefInTypeDef); |
| 349 | identityRefInTypeDef.setResolvableStatus(UNRESOLVED); |
| 350 | |
| 351 | // Add resolution information to the list. |
| 352 | YangResolutionInfoImpl resolutionInfoImpl = new YangResolutionInfoImpl<>(identityRefInTypeDef, |
| 353 | potentialAncestorWithReferredNode, getLineNumber(), getCharPosition()); |
| 354 | getCurReferenceResolver().addToResolutionList(resolutionInfoImpl, |
| 355 | ResolvableType.YANG_IDENTITYREF); |
| 356 | getCurReferenceResolver().resolveSelfFileLinking(ResolvableType.YANG_IDENTITYREF); |
| 357 | } |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | /** |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 361 | * Resolves the current entity in the stack. |
| 362 | */ |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 363 | private void resolveTopOfStack(YangLinkingPhase linkingPhase) |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 364 | throws DataModelException { |
| 365 | ((Resolvable) getCurrentEntityToResolveFromStack()).resolve(); |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 366 | if (((Resolvable) getCurrentEntityToResolveFromStack()).getResolvableStatus() != INTRA_FILE_RESOLVED |
| 367 | && ((Resolvable) getCurrentEntityToResolveFromStack()).getResolvableStatus() != UNDEFINED) { |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 368 | // Sets the resolution status in inside the type/uses/if-feature/leafref. |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 369 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(RESOLVED); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | /** |
| 374 | * Resolves linking for a node child and siblings. |
| 375 | * |
| 376 | * @throws DataModelException data model error |
| 377 | */ |
| 378 | private void linkTopOfStackReferenceUpdateStack() |
| 379 | throws DataModelException { |
| 380 | |
| 381 | /* |
| 382 | * Check if self file reference is there, this will not check for the |
| 383 | * scenario when prefix is not present and type/uses is present in |
| 384 | * sub-module from include list. |
| 385 | */ |
| 386 | if (!isCandidateForSelfFileReference()) { |
| 387 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 388 | return; |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Try to resolve the top of the stack and update partial resolved stack |
| 393 | * if there is recursive references |
| 394 | */ |
| 395 | YangNode potentialAncestorWithReferredNode = getPartialResolvedStack().peek() |
| 396 | .getHolderOfEntityToResolve(); |
| 397 | |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 398 | if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 399 | resolveSelfFileLinkingForIfFeature(potentialAncestorWithReferredNode); |
| 400 | return; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 401 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 402 | resolveSelfFileLinkingForLeafref(potentialAncestorWithReferredNode); |
| 403 | return; |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 404 | } else if ((getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) || |
| 405 | (getCurrentEntityToResolveFromStack() instanceof YangBase)) { |
| 406 | resolveSelfFileLinkingForBaseAndIdentityref(); |
| 407 | return; |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 408 | } else { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 409 | |
| 410 | /** |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 411 | * Traverse up in the ancestor tree to check if the referred node is |
| 412 | * defined |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 413 | */ |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 414 | while (potentialAncestorWithReferredNode != null) { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 415 | |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 416 | /** |
| 417 | * Check for the referred node defined in a ancestor scope |
| 418 | */ |
| 419 | YangNode potentialReferredNode = potentialAncestorWithReferredNode.getChild(); |
| 420 | if (isReferredNodeInSiblingListProcessed(potentialReferredNode)) { |
| 421 | return; |
| 422 | } |
| 423 | |
| 424 | potentialAncestorWithReferredNode = potentialAncestorWithReferredNode.getParent(); |
| 425 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | /* |
| 429 | * In case prefix is not present it's a candidate for inter-file |
| 430 | * resolution via include list. |
| 431 | */ |
| 432 | if (getRefPrefix() == null) { |
| 433 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | /** |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 438 | * Resolves self file linking for leafref. |
| 439 | * |
| 440 | * @param potentialAncestorWithReferredNode leafref holder node |
| 441 | * @throws DataModelException a violation of data model rules |
| 442 | */ |
| 443 | private void resolveSelfFileLinkingForLeafref(YangNode potentialAncestorWithReferredNode) |
| 444 | throws DataModelException { |
| 445 | |
| 446 | YangNode ancestorWithTheReferredNode = potentialAncestorWithReferredNode; |
| 447 | YangLeafRef leafref = (YangLeafRef) getCurrentEntityToResolveFromStack(); |
| 448 | boolean referredLeafFound = false; |
| 449 | |
| 450 | /* |
| 451 | * Takes absolute path and takes the root node as module/sub-module, |
| 452 | * then sends the list of nodes for finding the target leaf. |
| 453 | */ |
| 454 | if (leafref.getPathType() == YangPathArgType.ABSOLUTE_PATH) { |
| 455 | List<YangAtomicPath> atomicPathList = leafref.getAtomicPath(); |
| 456 | if (atomicPathList != null && !atomicPathList.isEmpty()) { |
| 457 | Iterator<YangAtomicPath> listOfYangAtomicPath = atomicPathList.listIterator(); |
| 458 | if (getCurReferenceResolver() instanceof YangModule) { |
| 459 | YangModule rootNode = (YangModule) getCurReferenceResolver(); |
| 460 | // Sends list of nodes for finding the target leaf. |
| 461 | referredLeafFound = isLeafReferenceFound(listOfYangAtomicPath, rootNode, |
| 462 | referredLeafFound, potentialAncestorWithReferredNode); |
| 463 | } else if (getCurReferenceResolver() instanceof YangSubModule) { |
| 464 | YangSubModule rootNode = (YangSubModule) getCurReferenceResolver(); |
| 465 | // Sends list of nodes for finding the target leaf. |
| 466 | referredLeafFound = isLeafReferenceFound(listOfYangAtomicPath, rootNode, |
| 467 | referredLeafFound, potentialAncestorWithReferredNode); |
| 468 | } |
| 469 | } |
| 470 | /* |
| 471 | * Takes relative path, goes to the parent node by using the |
| 472 | * ancestor count and sends the list of nodes for finding the target |
| 473 | * leaf. |
| 474 | */ |
| 475 | } else if (leafref.getPathType() == YangPathArgType.RELATIVE_PATH) { |
| 476 | YangRelativePath yangRelativePath = leafref.getRelativePath(); |
| 477 | int parentNodes = yangRelativePath.getAncestorNodeCount(); |
| 478 | List<YangAtomicPath> atomicPathList = yangRelativePath.getAtomicPathList(); |
| 479 | if (atomicPathList != null && !atomicPathList.isEmpty()) { |
| 480 | Iterator<YangAtomicPath> listOfAtomicPath = atomicPathList.listIterator(); |
| 481 | // Gets the root node from ancestor count. |
| 482 | YangNode rootparentNode = getRootNodeWithAncestorCount(parentNodes, ancestorWithTheReferredNode); |
| 483 | // Sends list of nodes for finding the target leaf. |
| 484 | referredLeafFound = isLeafReferenceFound(listOfAtomicPath, rootparentNode, |
| 485 | referredLeafFound, potentialAncestorWithReferredNode); |
| 486 | } |
| 487 | } |
| 488 | if (referredLeafFound) { |
| 489 | return; |
| 490 | } |
| 491 | /* |
| 492 | * In case prefix is not present it's a candidate for inter-file |
| 493 | * resolution via include list. |
| 494 | */ |
| 495 | if (getRefPrefix() == null) { |
| 496 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | /** |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 501 | * Resolves self file linking for base/identityref. |
| 502 | * |
| 503 | * @throws DataModelException a violation of data model rules |
| 504 | */ |
| 505 | private void resolveSelfFileLinkingForBaseAndIdentityref() |
| 506 | throws DataModelException { |
| 507 | |
| 508 | boolean referredIdentityFound = false; |
| 509 | String nodeName = null; |
| 510 | |
| 511 | if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 512 | nodeName = ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getName(); |
| 513 | } |
| 514 | |
| 515 | if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 516 | nodeName = ((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getName(); |
| 517 | } |
| 518 | |
| 519 | if (getCurReferenceResolver() instanceof YangModule) { |
| 520 | YangModule rootNode = (YangModule) getCurReferenceResolver(); |
| 521 | // Sends list of nodes for finding the target identity. |
| 522 | referredIdentityFound = isIdentityReferenceFound(nodeName, rootNode); |
| 523 | } else if (getCurReferenceResolver() instanceof YangSubModule) { |
| 524 | YangSubModule rootNode = (YangSubModule) getCurReferenceResolver(); |
| 525 | // Sends list of nodes for finding the target identity. |
| 526 | referredIdentityFound = isIdentityReferenceFound(nodeName, rootNode); |
| 527 | } |
| 528 | |
| 529 | if (referredIdentityFound) { |
| 530 | return; |
| 531 | } |
| 532 | |
| 533 | /* |
| 534 | * In case prefix is not present it's a candidate for inter-file resolution via include list. |
| 535 | */ |
| 536 | if (getRefPrefix() == null) { |
| 537 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | /** |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 542 | * Returns the root parent with respect to the ancestor count from leafref. |
| 543 | * |
| 544 | * @param ancestorCount count of node where parent node can be reached |
| 545 | * @param currentParent current parent node |
| 546 | * @return root node |
| 547 | * @throws DataModelException a violation of data model rules |
| 548 | */ |
| 549 | private YangNode getRootNodeWithAncestorCount(int ancestorCount, YangNode currentParent) |
| 550 | throws DataModelException { |
| 551 | |
| 552 | int currentParentCount = 1; |
| 553 | while (currentParentCount < ancestorCount) { |
| 554 | if (currentParent.getParent() == null) { |
| 555 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 556 | } |
| 557 | currentParent = currentParent.getParent(); |
| 558 | currentParentCount = currentParentCount + 1; |
| 559 | } |
| 560 | return currentParent; |
| 561 | } |
| 562 | |
| 563 | /** |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 564 | * Resolves self file linking for if-feature. |
| 565 | * |
| 566 | * @param potentialAncestorWithReferredNode if-feature holder node |
| 567 | * @throws DataModelException DataModelException a violation of data model |
| 568 | * rules |
| 569 | */ |
| 570 | private void resolveSelfFileLinkingForIfFeature(YangNode potentialAncestorWithReferredNode) |
| 571 | throws DataModelException { |
| 572 | |
| 573 | YangFeatureHolder featureHolder = getFeatureHolder(potentialAncestorWithReferredNode); |
| 574 | YangNode potentialReferredNode = (YangNode) featureHolder; |
| 575 | if (isReferredNode(potentialReferredNode)) { |
| 576 | |
| 577 | // Adds reference link of entity to the node under resolution. |
| 578 | addReferredEntityLink(potentialReferredNode, LINKED); |
| 579 | |
| 580 | /** |
| 581 | * resolve the reference and update the partial resolution stack |
| 582 | * with any further recursive references |
| 583 | */ |
| 584 | addUnresolvedRecursiveReferenceToStack(potentialReferredNode); |
| 585 | return; |
| 586 | } |
| 587 | |
| 588 | /* |
| 589 | * In case prefix is not present it's a candidate for inter-file |
| 590 | * resolution via include list. |
| 591 | */ |
| 592 | if (getRefPrefix() == null) { |
| 593 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 594 | } |
| 595 | } |
| 596 | |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 597 | /** |
| 598 | * Returns the status of the referred leaf/leaf-list found for leafref. |
| 599 | * |
| 600 | * @param listOfYangAtomicPath list of atomic paths |
| 601 | * @param ancestorWithTheReferredNode the parent node of leafref |
| 602 | * @param referredLeafFound status of referred leaf/leaf-list |
| 603 | * @param potentialAncestorWithReferredNode holder of the leafref leaf |
| 604 | * @return status of referred leaf |
| 605 | * @throws DataModelException a violation of data model rules |
| 606 | */ |
| 607 | private boolean isLeafReferenceFound(Iterator<YangAtomicPath> listOfYangAtomicPath, |
| 608 | YangNode ancestorWithTheReferredNode, boolean referredLeafFound, YangNode potentialAncestorWithReferredNode) |
| 609 | throws DataModelException { |
| 610 | |
| 611 | while (listOfYangAtomicPath.hasNext()) { |
| 612 | YangAtomicPath atomicPath = listOfYangAtomicPath.next(); |
| 613 | String nodeName = atomicPath.getNodeIdentifier().getName(); |
| 614 | |
| 615 | // When child is not present, only leaf/leaf-list is available in the node. |
| 616 | if (ancestorWithTheReferredNode.getChild() == null) { |
| 617 | referredLeafFound = isReferredLeafOrLeafListFound(ancestorWithTheReferredNode, nodeName, (T) LINKED); |
| 618 | break; |
| 619 | } |
| 620 | ancestorWithTheReferredNode = ancestorWithTheReferredNode.getChild(); |
| 621 | |
| 622 | // Checks all the siblings under the node and returns the matched node. |
| 623 | YangNode nodeFound = isReferredNodeInSiblingProcessedForLeafref(ancestorWithTheReferredNode, nodeName); |
| 624 | |
| 625 | // When node is not found in all the siblings, leaf-list may be the node we have to find. |
| 626 | if (nodeFound == null) { |
| 627 | referredLeafFound = isReferredLeafOrLeafListFound(ancestorWithTheReferredNode.getParent(), nodeName, |
| 628 | (T) LINKED); |
| 629 | } else { |
| 630 | ancestorWithTheReferredNode = nodeFound; |
| 631 | |
| 632 | // For the node check if path predicate is present and fill its values. |
| 633 | List<YangPathPredicate> pathPredicateList = atomicPath.getPathPredicatesList(); |
| 634 | if (pathPredicateList != null && !pathPredicateList.isEmpty()) { |
| 635 | Iterator<YangPathPredicate> listOfYangPathPredicate = pathPredicateList.listIterator(); |
| 636 | fillPathPredicatesForTheNode(ancestorWithTheReferredNode, listOfYangPathPredicate, |
| 637 | potentialAncestorWithReferredNode); |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | // If leaf is also not found and node is also not found return the status as false. |
| 642 | if (!referredLeafFound && nodeFound == null) { |
| 643 | break; |
| 644 | } |
| 645 | } |
| 646 | return referredLeafFound; |
| 647 | } |
| 648 | |
| 649 | /** |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 650 | * Returns the status of the referred identity found for base/identityref. |
| 651 | * |
| 652 | * @param nodeName the name of the base nodeidentifier/identityref nodeidentifier |
| 653 | * @param ancestorWithTheReferredNode the parent node of base/identityref |
| 654 | * @return status of referred base/identityref |
| 655 | * @throws DataModelException a violation of data model rules |
| 656 | */ |
| 657 | private boolean isIdentityReferenceFound(String nodeName, YangNode ancestorWithTheReferredNode) |
| 658 | throws DataModelException { |
| 659 | |
| 660 | // When child is not present return. |
| 661 | if (ancestorWithTheReferredNode.getChild() == null) { |
| 662 | return false; |
| 663 | } |
| 664 | |
| 665 | ancestorWithTheReferredNode = ancestorWithTheReferredNode.getChild(); |
| 666 | |
| 667 | // Checks all the siblings under the node and returns the matched node. |
| 668 | YangNode nodeFound = isReferredNodeInSiblingProcessedForIdentity(ancestorWithTheReferredNode, nodeName); |
| 669 | |
| 670 | if (nodeFound != null) { |
| 671 | // Adds reference link of entity to the node under resolution. |
| 672 | addReferredEntityLink(nodeFound, LINKED); |
| 673 | |
| 674 | /** |
| 675 | * resolve the reference and update the partial resolution stack with any further recursive references |
| 676 | */ |
| 677 | addUnresolvedRecursiveReferenceToStack(nodeFound); |
| 678 | return true; |
| 679 | } |
| 680 | |
| 681 | return false; |
| 682 | } |
| 683 | |
| 684 | /** |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 685 | * Fills the referred leaf or leaf-list inside the path predicates. |
| 686 | * |
| 687 | * @param ancestorWithTheReferredNode the actual node where YANG list will be present |
| 688 | * @param listOfYangPathPredicate the path predicates present for the node |
| 689 | * @param potentialAncestorWithReferredNode the current leaf node parent |
| 690 | * @throws DataModelException a violation of data model rules |
| 691 | */ |
| 692 | private void fillPathPredicatesForTheNode(YangNode ancestorWithTheReferredNode, |
| 693 | Iterator<YangPathPredicate> listOfYangPathPredicate, YangNode potentialAncestorWithReferredNode) |
| 694 | throws DataModelException { |
| 695 | |
| 696 | while (listOfYangPathPredicate.hasNext()) { |
| 697 | if (!(ancestorWithTheReferredNode instanceof YangList)) { |
| 698 | throw new DataModelException("YANG file error: The path predicates are applicable only for list"); |
| 699 | } |
| 700 | YangPathPredicate pathPredicate = listOfYangPathPredicate.next(); |
| 701 | YangNodeIdentifier leftNode = pathPredicate.getNodeIdentifier(); |
| 702 | YangRelativePath relativePath = pathPredicate.getRightRelativePath(); |
| 703 | |
| 704 | // Checks that the left axis is filled in the path predicate. |
| 705 | boolean isLeftLeafOrLeafListSetForLeftAxis = getLeftLeafOrLeafListInPredicate( |
| 706 | (YangList) ancestorWithTheReferredNode, pathPredicate, leftNode); |
| 707 | if (!isLeftLeafOrLeafListSetForLeftAxis) { |
| 708 | throw new DataModelException( |
| 709 | "YANG file error: The path predicate is not referring to an existing leaf/leaflist"); |
| 710 | } |
| 711 | int parentNodes = relativePath.getAncestorNodeCount(); |
| 712 | |
| 713 | // Finds the root node for the right relative path. |
| 714 | YangNode rootParentNode = getRootNodeWithAncestorCount(parentNodes, potentialAncestorWithReferredNode); |
| 715 | |
| 716 | // Finds the leaf/leaf-list from the right side relative path. |
| 717 | resolveRightAxisNodeInPathPredicate(relativePath, rootParentNode, pathPredicate); |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | /** |
| 722 | * Resolves the right axis node in the path predicate. |
| 723 | * |
| 724 | * @param relativePath the relative path in the path predicate |
| 725 | * @param rootParentNode parent node from where the node has to be found |
| 726 | * @param pathPredicate data tree reference in YANG list |
| 727 | * @throws DataModelException a violation of data model rules |
| 728 | */ |
| 729 | private void resolveRightAxisNodeInPathPredicate(YangRelativePath relativePath, YangNode rootParentNode, |
| 730 | YangPathPredicate pathPredicate) throws DataModelException { |
| 731 | |
| 732 | List<YangAtomicPath> absolutePathList = relativePath.getAtomicPathList(); |
| 733 | if (absolutePathList != null && !absolutePathList.isEmpty()) { |
| 734 | Iterator<YangAtomicPath> listOfYangAtomicPathForRightRelative = absolutePathList.listIterator(); |
| 735 | while (listOfYangAtomicPathForRightRelative.hasNext()) { |
| 736 | boolean isRightAxisNodeFound = false; |
| 737 | YangAtomicPath absolutePathInPredicate = listOfYangAtomicPathForRightRelative.next(); |
| 738 | String nodeNameInAtomicPath = absolutePathInPredicate.getNodeIdentifier().getName(); |
| 739 | |
| 740 | // When child is not there check the leaf/leaf-list. |
| 741 | if (rootParentNode.getChild() == null) { |
| 742 | isRightAxisNodeFound = isReferredLeafOrLeafListFound(rootParentNode, |
| 743 | nodeNameInAtomicPath, (T) pathPredicate); |
| 744 | if (!isRightAxisNodeFound) { |
| 745 | throw new DataModelException( |
| 746 | "YANG file error: The path predicates is not referring to an existing leaf/leaflist"); |
| 747 | } |
| 748 | break; |
| 749 | } |
| 750 | rootParentNode = rootParentNode.getChild(); |
| 751 | YangNode nodeFoundInTheRelativePath = isReferredNodeInSiblingProcessedForLeafref( |
| 752 | rootParentNode, nodeNameInAtomicPath); |
| 753 | |
| 754 | if (nodeFoundInTheRelativePath == null) { |
| 755 | |
| 756 | // When node is not found check the leaf/leaf-list. |
| 757 | isRightAxisNodeFound = isReferredLeafOrLeafListFound(rootParentNode.getParent(), |
| 758 | nodeNameInAtomicPath, (T) pathPredicate); |
| 759 | } else { |
| 760 | rootParentNode = nodeFoundInTheRelativePath; |
| 761 | } |
| 762 | if (!isRightAxisNodeFound && nodeFoundInTheRelativePath == null) { |
| 763 | throw new DataModelException( |
| 764 | "YANG file error: The path predicates is not referring to an existing leaf/leaflist"); |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | /** |
| 771 | * Returns the status, if referred leaf/leaf-list is found. |
| 772 | * |
| 773 | * @param ancestorWithTheReferredNode the parent node of leaf/leaf-list |
| 774 | * @param nodeName the name of the leaf/leaf-list |
| 775 | * @param statusOrPathPredicate the status to be set for the leaf-ref or the path predicate |
| 776 | * @return status of the target node is found |
| 777 | * @throws DataModelException a violation of data model rules |
| 778 | */ |
| 779 | private boolean isReferredLeafOrLeafListFound(YangNode ancestorWithTheReferredNode, String nodeName, |
| 780 | T statusOrPathPredicate) throws DataModelException { |
| 781 | |
| 782 | if (!(ancestorWithTheReferredNode instanceof YangLeavesHolder)) { |
| 783 | throw new DataModelException("Yang file error: The target node of leafref is invalid."); |
| 784 | } |
| 785 | YangLeavesHolder leavesHolder = (YangLeavesHolder) ancestorWithTheReferredNode; |
| 786 | if (leavesHolder.getListOfLeaf() != null) { |
| 787 | Iterator<YangLeaf> yangLeavesList = leavesHolder.getListOfLeaf().listIterator(); |
| 788 | while (yangLeavesList.hasNext()) { |
| 789 | YangLeaf yangleaf = yangLeavesList.next(); |
| 790 | if (yangleaf.getName().contentEquals(nodeName)) { |
| 791 | if (statusOrPathPredicate instanceof ResolvableStatus) { |
| 792 | ResolvableStatus status = (ResolvableStatus) statusOrPathPredicate; |
| 793 | |
| 794 | // Sets the referred leaf to YANG leafref. |
| 795 | ((YangLeafRef) getCurrentEntityToResolveFromStack()).setReferredLeafOrLeafList(yangleaf); |
| 796 | |
| 797 | // Adds reference link of entity to the node under resolution. |
| 798 | addReferredEntityLink(ancestorWithTheReferredNode, status); |
| 799 | addUnResolvedLeafRefTypeToStack((T) yangleaf, ancestorWithTheReferredNode); |
| 800 | return true; |
| 801 | } else if (statusOrPathPredicate instanceof YangPathPredicate) { |
| 802 | YangPathPredicate pathPredicate = (YangPathPredicate) statusOrPathPredicate; |
| 803 | |
| 804 | // Sets the right axis node. |
| 805 | pathPredicate.setRightAxisNode(yangleaf); |
| 806 | return true; |
| 807 | } else { |
| 808 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 809 | } |
| 810 | } |
| 811 | } |
| 812 | } |
| 813 | if (leavesHolder.getListOfLeafList() != null) { |
| 814 | Iterator<YangLeafList> yangLeafListList = leavesHolder.getListOfLeafList().listIterator(); |
| 815 | while (yangLeafListList.hasNext()) { |
| 816 | YangLeafList yangLeaflist = yangLeafListList.next(); |
| 817 | if (yangLeaflist.getName().contentEquals(nodeName)) { |
| 818 | if (statusOrPathPredicate instanceof ResolvableStatus) { |
| 819 | ResolvableStatus status = (ResolvableStatus) statusOrPathPredicate; |
| 820 | |
| 821 | // Sets the referred leaf-list to YANG leafref. |
| 822 | ((YangLeafRef) getCurrentEntityToResolveFromStack()).setReferredLeafOrLeafList(yangLeaflist); |
| 823 | |
| 824 | // Adds reference link of entity to the node under resolution. |
| 825 | addReferredEntityLink(ancestorWithTheReferredNode, status); |
| 826 | addUnResolvedLeafRefTypeToStack((T) yangLeaflist, ancestorWithTheReferredNode); |
| 827 | return true; |
| 828 | } else if (statusOrPathPredicate instanceof YangPathPredicate) { |
| 829 | YangPathPredicate pathPredicate = (YangPathPredicate) statusOrPathPredicate; |
| 830 | pathPredicate.setRightAxisNode(yangLeaflist); |
| 831 | return true; |
| 832 | } else { |
| 833 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 834 | } |
| 835 | } |
| 836 | } |
| 837 | } |
| 838 | return false; |
| 839 | } |
| 840 | |
| 841 | /** |
| 842 | * Adds the unresolved constructs to stack which has to be resolved for leafref. |
| 843 | * |
| 844 | * @param yangleafOrLeafList YANG leaf or leaf list which holds the type |
| 845 | * @param ancestorWithTheReferredNode holder of the YANG leaf or leaf list |
| 846 | */ |
| 847 | private void addUnResolvedLeafRefTypeToStack(T yangleafOrLeafList, YangNode ancestorWithTheReferredNode) { |
| 848 | |
| 849 | YangType referredTypeInLeafOrLeafList; |
| 850 | if (yangleafOrLeafList instanceof YangLeaf) { |
| 851 | YangLeaf leaf = (YangLeaf) yangleafOrLeafList; |
| 852 | referredTypeInLeafOrLeafList = leaf.getDataType(); |
| 853 | if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.LEAFREF) { |
| 854 | YangEntityToResolveInfoImpl<YangLeafRef<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 855 | unResolvedEntityInfo.setEntityToResolve((YangLeafRef<?>) leaf.getDataType().getDataTypeExtendedInfo()); |
| 856 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 857 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 858 | } else if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.DERIVED) { |
| 859 | YangEntityToResolveInfoImpl<YangType<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 860 | unResolvedEntityInfo.setEntityToResolve(referredTypeInLeafOrLeafList); |
| 861 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 862 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 863 | } |
| 864 | } else { |
| 865 | YangLeafList leafList = (YangLeafList) yangleafOrLeafList; |
| 866 | referredTypeInLeafOrLeafList = leafList.getDataType(); |
| 867 | if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.LEAFREF) { |
| 868 | YangEntityToResolveInfoImpl<YangLeafRef<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 869 | unResolvedEntityInfo |
| 870 | .setEntityToResolve((YangLeafRef<?>) leafList.getDataType().getDataTypeExtendedInfo()); |
| 871 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 872 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 873 | } else if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.DERIVED) { |
| 874 | YangEntityToResolveInfoImpl<YangType<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 875 | unResolvedEntityInfo.setEntityToResolve(referredTypeInLeafOrLeafList); |
| 876 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 877 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 878 | } |
| 879 | } |
| 880 | } |
| 881 | |
| 882 | /** |
| 883 | * Returns true if referred leaf/leaf-list is found in a particular node. This is for path in path predicate. |
| 884 | * |
| 885 | * @param listForLeaf list node where referred leaf is found |
| 886 | * @param pathPredicate path predicate instance where the value of nodes to be found are available |
| 887 | * @param leftNode node identifier of the left side parameter in path predicate |
| 888 | * @return status of the leaf/leaf-list found |
| 889 | */ |
| 890 | private boolean getLeftLeafOrLeafListInPredicate(YangList listForLeaf, YangPathPredicate pathPredicate, |
| 891 | YangNodeIdentifier leftNode) { |
| 892 | |
| 893 | if (listForLeaf.getListOfLeaf() != null) { |
| 894 | Iterator<YangLeaf> yangLeavesUnderList = listForLeaf.getListOfLeaf().listIterator(); |
| 895 | while (yangLeavesUnderList.hasNext()) { |
| 896 | YangLeaf yangleafUnderList = yangLeavesUnderList.next(); |
| 897 | if (yangleafUnderList.getName().contentEquals(leftNode.getName())) { |
| 898 | pathPredicate.setLeftAxisNode(yangleafUnderList); |
| 899 | return true; |
| 900 | } |
| 901 | } |
| 902 | } |
| 903 | if (listForLeaf.getListOfLeafList() != null) { |
| 904 | Iterator<YangLeafList> yangLeavesListUnderList = listForLeaf.getListOfLeafList().listIterator(); |
| 905 | while (yangLeavesListUnderList.hasNext()) { |
| 906 | YangLeafList yangleafListUnderList = yangLeavesListUnderList.next(); |
| 907 | if (yangleafListUnderList.getName().contentEquals(leftNode.getName())) { |
| 908 | pathPredicate.setLeftAxisNode(yangleafListUnderList); |
| 909 | return true; |
| 910 | } |
| 911 | } |
| 912 | } |
| 913 | return false; |
| 914 | } |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 915 | |
| 916 | /** |
| 917 | * Returns feature holder(module/sub-module node) . |
| 918 | * |
| 919 | * @param potentialAncestorWithReferredNode if-feature holder node |
| 920 | */ |
| 921 | private YangFeatureHolder getFeatureHolder(YangNode potentialAncestorWithReferredNode) { |
| 922 | while (potentialAncestorWithReferredNode != null) { |
| 923 | if (potentialAncestorWithReferredNode instanceof YangFeatureHolder) { |
| 924 | return (YangFeatureHolder) potentialAncestorWithReferredNode; |
| 925 | } |
| 926 | potentialAncestorWithReferredNode = potentialAncestorWithReferredNode.getParent(); |
| 927 | } |
| 928 | return null; |
| 929 | } |
| 930 | |
| 931 | /** |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 932 | * Checks if the reference in self file or in external file. |
| 933 | * |
| 934 | * @return true if self file reference, false otherwise |
| 935 | * @throws DataModelException a violation of data model rules |
| 936 | */ |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 937 | private boolean isCandidateForSelfFileReference() |
| 938 | throws DataModelException { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 939 | String prefix = getRefPrefix(); |
| 940 | return prefix == null || prefix.contentEquals(getCurReferenceResolver().getPrefix()); |
| 941 | } |
| 942 | |
| 943 | /** |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 944 | * Checks for the referred parent node for the leafref path. |
| 945 | * |
| 946 | * @param potentialReferredNode potential referred node |
| 947 | * @return the reffered parent node of leaf/leaf-list |
| 948 | * @throws DataModelException data model errors |
| 949 | */ |
| 950 | private YangNode isReferredNodeInSiblingProcessedForLeafref(YangNode potentialReferredNode, String referredNodeName) |
| 951 | throws DataModelException { |
| 952 | |
| 953 | while (potentialReferredNode != null) { |
| 954 | if (potentialReferredNode instanceof YangInput) { |
| 955 | if (referredNodeName.equalsIgnoreCase(INPUT)) { |
| 956 | return potentialReferredNode; |
| 957 | } |
| 958 | } else if (potentialReferredNode instanceof YangOutput) { |
| 959 | if (referredNodeName.equalsIgnoreCase(OUTPUT)) { |
| 960 | return potentialReferredNode; |
| 961 | } |
| 962 | } |
| 963 | // Check if the potential referred node is the actual referred node |
| 964 | if (isReferredNodeForLeafref(potentialReferredNode, referredNodeName)) { |
| 965 | if (potentialReferredNode instanceof YangGrouping || potentialReferredNode instanceof YangTypeDef) { |
| 966 | if (potentialReferredNode.getParent() instanceof YangRpc) { |
| 967 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 968 | } else { |
| 969 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 970 | } |
| 971 | } |
| 972 | return potentialReferredNode; |
| 973 | } |
| 974 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 975 | } |
| 976 | return null; |
| 977 | } |
| 978 | |
| 979 | /** |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 980 | * Checks for the referred parent node for the base/identity. |
| 981 | * |
| 982 | * @param potentialReferredNode potential referred node |
| 983 | * @return the reffered parent node of base/identity. |
| 984 | * @throws DataModelException data model errors |
| 985 | */ |
| 986 | private YangNode isReferredNodeInSiblingProcessedForIdentity(YangNode potentialReferredNode, |
| 987 | String referredNodeName) throws DataModelException { |
| 988 | |
| 989 | while (potentialReferredNode != null) { |
| 990 | if (potentialReferredNode instanceof YangIdentity) { |
| 991 | // Check if the potential referred node is the actual referred node |
| 992 | if (isReferredNodeForIdentity(potentialReferredNode, referredNodeName)) { |
| 993 | return potentialReferredNode; |
| 994 | } |
| 995 | } |
| 996 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 997 | } |
| 998 | return null; |
| 999 | } |
| 1000 | |
| 1001 | /** |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1002 | * Checks if the current reference node name and the name in the path are equal. |
| 1003 | * |
| 1004 | * @param currentReferredNode the node where the reference is pointed |
| 1005 | * @param nameOfNodeinPath name of the node in the path |
| 1006 | * @return status of the match between the name |
| 1007 | * @throws DataModelException a violation of data model rules |
| 1008 | */ |
| 1009 | private boolean isReferredNodeForLeafref(YangNode currentReferredNode, String nameOfNodeinPath) |
| 1010 | throws DataModelException { |
| 1011 | |
| 1012 | if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1013 | /* |
| 1014 | * Check if name of node name matches with the current reference |
| 1015 | * node. |
| 1016 | */ |
| 1017 | return currentReferredNode.getName().contentEquals(nameOfNodeinPath); |
| 1018 | } else { |
| 1019 | throw new DataModelException("Data Model Exception: Entity to resolved is other than leafref"); |
| 1020 | } |
| 1021 | } |
| 1022 | |
| 1023 | /** |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1024 | * Checks if the current reference node name and the name in the base/identityref base are equal. |
| 1025 | * |
| 1026 | * @param currentReferredNode the node where the reference is pointed |
| 1027 | * @param nameOfIdentityRefBase name of the base in the base/identityref base |
| 1028 | * @return status of the match between the name |
| 1029 | * @throws DataModelException a violation of data model rules |
| 1030 | */ |
| 1031 | private boolean isReferredNodeForIdentity(YangNode currentReferredNode, String nameOfIdentityRefBase) |
| 1032 | throws DataModelException { |
| 1033 | |
| 1034 | if ((getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) || |
| 1035 | (getCurrentEntityToResolveFromStack() instanceof YangBase)) { |
| 1036 | /* |
| 1037 | * Check if name of node name matches with the current reference node. |
| 1038 | */ |
| 1039 | return currentReferredNode.getName().contentEquals(nameOfIdentityRefBase); |
| 1040 | } else { |
| 1041 | throw new DataModelException("Data Model Exception: Entity to resolved is other than identityref"); |
| 1042 | } |
| 1043 | } |
| 1044 | |
| 1045 | /** |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1046 | * Checks for the referred node defined in a ancestor scope. |
| 1047 | * |
| 1048 | * @param potentialReferredNode potential referred node |
| 1049 | * @return status of resolution and updating the partial resolved stack with |
| 1050 | * the any recursive references |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1051 | * @throws DataModelException a violation of data model rules |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1052 | */ |
| 1053 | private boolean isReferredNodeInSiblingListProcessed(YangNode potentialReferredNode) |
| 1054 | throws DataModelException { |
| 1055 | while (potentialReferredNode != null) { |
| 1056 | |
| 1057 | // Check if the potential referred node is the actual referred node |
| 1058 | if (isReferredNode(potentialReferredNode)) { |
| 1059 | |
| 1060 | // Adds reference link of entity to the node under resolution. |
| 1061 | addReferredEntityLink(potentialReferredNode, LINKED); |
| 1062 | |
| 1063 | /** |
| 1064 | * resolve the reference and update the partial resolution stack |
| 1065 | * with any further recursive references |
| 1066 | */ |
| 1067 | addUnresolvedRecursiveReferenceToStack(potentialReferredNode); |
| 1068 | |
| 1069 | /* |
| 1070 | * return true, since the reference is linked and any recursive |
| 1071 | * unresolved references is added to the stack |
| 1072 | */ |
| 1073 | return true; |
| 1074 | } |
| 1075 | |
| 1076 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 1077 | } |
| 1078 | return false; |
| 1079 | } |
| 1080 | |
| 1081 | /** |
| 1082 | * Checks if the potential referred node is the actual referred node. |
| 1083 | * |
| 1084 | * @param potentialReferredNode typedef/grouping node |
| 1085 | * @return true if node is of resolve type otherwise false |
| 1086 | * @throws DataModelException a violation of data model rules |
| 1087 | */ |
| 1088 | private boolean isReferredNode(YangNode potentialReferredNode) |
| 1089 | throws DataModelException { |
| 1090 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1091 | if (potentialReferredNode instanceof YangTypeDef) { |
| 1092 | /* |
| 1093 | * Check if name of node name matches with the entity being |
| 1094 | * resolved |
| 1095 | */ |
| 1096 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1097 | } |
| 1098 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1099 | if (potentialReferredNode instanceof YangGrouping) { |
| 1100 | /* |
| 1101 | * Check if name of node name matches with the entity being |
| 1102 | * resolved |
| 1103 | */ |
| 1104 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1105 | } |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1106 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1107 | if (potentialReferredNode instanceof YangFeatureHolder) { |
| 1108 | /* |
| 1109 | * Check if name of node name matches with the entity being |
| 1110 | * resolved |
| 1111 | */ |
| 1112 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1113 | } |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1114 | } else if ((getCurrentEntityToResolveFromStack() instanceof YangBase) || |
| 1115 | (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef)) { |
| 1116 | if (potentialReferredNode instanceof YangIdentity) { |
| 1117 | /* |
| 1118 | * Check if name of node name matches with the entity being |
| 1119 | * resolved |
| 1120 | */ |
| 1121 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1122 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1123 | } else { |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1124 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/" + |
| 1125 | "uses/base/identityref"); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1126 | } |
| 1127 | return false; |
| 1128 | } |
| 1129 | |
| 1130 | /** |
| 1131 | * Checks if node name is same as name in resolution info, i.e. name of |
| 1132 | * typedef/grouping is same as name of type/uses. |
| 1133 | * |
| 1134 | * @param node typedef/grouping node |
| 1135 | * @return true if node name is same as name in resolution info, otherwise |
| 1136 | * false |
| 1137 | * @throws DataModelException a violation of data model rules |
| 1138 | */ |
| 1139 | |
| 1140 | private boolean isNodeNameSameAsResolutionInfoName(YangNode node) |
| 1141 | throws DataModelException { |
| 1142 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1143 | if (node.getName().contentEquals( |
| 1144 | ((YangType<?>) getCurrentEntityToResolveFromStack()) |
| 1145 | .getDataTypeName())) { |
| 1146 | return true; |
| 1147 | } |
| 1148 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1149 | if (node.getName().contentEquals( |
| 1150 | ((YangUses) getCurrentEntityToResolveFromStack()).getName())) { |
| 1151 | return true; |
| 1152 | } |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1153 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1154 | return isFeatureDefinedInNode(node); |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1155 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1156 | if (node.getName().contentEquals( |
| 1157 | ((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getName())) { |
| 1158 | return true; |
| 1159 | } |
| 1160 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1161 | if (node.getName().contentEquals( |
| 1162 | ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getName())) { |
| 1163 | return true; |
| 1164 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1165 | } else { |
| 1166 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses"); |
| 1167 | } |
| 1168 | return false; |
| 1169 | } |
| 1170 | |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1171 | private boolean isFeatureDefinedInNode(YangNode node) throws DataModelException { |
| 1172 | YangNodeIdentifier ifFeature = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getName(); |
| 1173 | List<YangFeature> featureList = ((YangFeatureHolder) node).getFeatureList(); |
| 1174 | if (featureList != null && !featureList.isEmpty()) { |
| 1175 | Iterator<YangFeature> iterator = featureList.iterator(); |
| 1176 | while (iterator.hasNext()) { |
| 1177 | YangFeature feature = iterator.next(); |
| 1178 | if (ifFeature.getName().equals(feature.getName())) { |
| 1179 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setReferredFeature(feature); |
| 1180 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setReferredFeatureHolder(node); |
| 1181 | return true; |
| 1182 | } |
| 1183 | } |
| 1184 | } |
| 1185 | return false; |
| 1186 | } |
| 1187 | |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1188 | /** |
| 1189 | * Adds reference of grouping/typedef in uses/type. |
| 1190 | * |
| 1191 | * @param referredNode grouping/typedef node being referred |
| 1192 | * @param linkedStatus linked status if success. |
| 1193 | * @throws DataModelException a violation of data model rules |
| 1194 | */ |
| 1195 | private void addReferredEntityLink(YangNode referredNode, ResolvableStatus linkedStatus) |
| 1196 | throws DataModelException { |
| 1197 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1198 | YangDerivedInfo<?> derivedInfo = (YangDerivedInfo<?>) ((YangType<?>) getCurrentEntityToResolveFromStack()) |
| 1199 | .getDataTypeExtendedInfo(); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1200 | derivedInfo.setReferredTypeDef((YangTypeDef) referredNode); |
| 1201 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1202 | ((YangUses) getCurrentEntityToResolveFromStack()) |
| 1203 | .setRefGroup((YangGrouping) referredNode); |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1204 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1205 | // do nothing , referred node is already set |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1206 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1207 | // do nothing , referred node is already set |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1208 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1209 | ((YangBase) getCurrentEntityToResolveFromStack()).setReferredIdentity((YangIdentity) referredNode); |
| 1210 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1211 | ((YangIdentityRef) getCurrentEntityToResolveFromStack()).setReferredIdentity((YangIdentity) referredNode); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1212 | } else { |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1213 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type" + |
| 1214 | "/uses/base/identityref"); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1215 | } |
| 1216 | |
| 1217 | // Sets the resolution status in inside the type/uses. |
| 1218 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(linkedStatus); |
| 1219 | } |
| 1220 | |
| 1221 | /** |
| 1222 | * Checks if type/grouping has further reference to typedef/ unresolved |
| 1223 | * uses. Add it to the partial resolve stack and return the status of |
| 1224 | * addition to stack. |
| 1225 | * |
| 1226 | * @param referredNode grouping/typedef node |
| 1227 | * @throws DataModelException a violation of data model rules |
| 1228 | */ |
| 1229 | private void addUnresolvedRecursiveReferenceToStack(YangNode referredNode) |
| 1230 | throws DataModelException { |
| 1231 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1232 | /* |
| 1233 | * Checks if typedef type is derived |
| 1234 | */ |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1235 | if (((YangTypeDef) referredNode).getTypeDefBaseType().getDataType() == YangDataTypes.DERIVED) { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1236 | |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1237 | YangEntityToResolveInfoImpl<YangType<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1238 | unResolvedEntityInfo.setEntityToResolve(((YangTypeDef) referredNode) |
| 1239 | .getTypeDefBaseType()); |
| 1240 | unResolvedEntityInfo.setHolderOfEntityToResolve(referredNode); |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1241 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1242 | } |
| 1243 | |
| 1244 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1245 | /* |
| 1246 | * Search if the grouping has any un resolved uses child, if so |
| 1247 | * return true, else return false. |
| 1248 | */ |
| 1249 | addUnResolvedUsesToStack(referredNode); |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1250 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1251 | addUnResolvedIfFeatureToStack(referredNode); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1252 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1253 | // do nothing , referred node is already set |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1254 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses"); |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1255 | } else if ((getCurrentEntityToResolveFromStack() instanceof YangBase) || |
| 1256 | (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef)) { |
| 1257 | /* |
| 1258 | * Search if the identity has any un resolved base, if so return true, else return false. |
| 1259 | */ |
| 1260 | addUnResolvedBaseToStack(referredNode); |
| 1261 | } else { |
| 1262 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses/" + |
| 1263 | "base/identityref"); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1264 | } |
| 1265 | } |
| 1266 | |
| 1267 | /** |
| 1268 | * Returns if there is any unresolved uses in grouping. |
| 1269 | * |
| 1270 | * @param node grouping/typedef node |
| 1271 | */ |
| 1272 | private void addUnResolvedUsesToStack(YangNode node) { |
| 1273 | |
| 1274 | /** |
| 1275 | * Search the grouping node's children for presence of uses node. |
| 1276 | */ |
| 1277 | YangNode curNode = node.getChild(); |
| 1278 | while (curNode != null) { |
| 1279 | if (curNode instanceof YangUses) { |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1280 | YangEntityToResolveInfoImpl<YangUses> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1281 | unResolvedEntityInfo.setEntityToResolve((YangUses) curNode); |
| 1282 | unResolvedEntityInfo.setHolderOfEntityToResolve(node); |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1283 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1284 | |
| 1285 | } |
| 1286 | curNode = curNode.getNextSibling(); |
| 1287 | } |
| 1288 | } |
| 1289 | |
| 1290 | /** |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1291 | * Returns if there is any unresolved if-feature in feature. |
| 1292 | * |
| 1293 | * @param node module/submodule node |
| 1294 | */ |
| 1295 | private void addUnResolvedIfFeatureToStack(YangNode node) { |
| 1296 | YangFeature refFeature = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getReferredFeature(); |
| 1297 | List<YangIfFeature> ifFeatureList = refFeature.getIfFeatureList(); |
| 1298 | if (ifFeatureList != null && !ifFeatureList.isEmpty()) { |
| 1299 | Iterator<YangIfFeature> ifFeatureIterator = ifFeatureList.iterator(); |
| 1300 | while (ifFeatureIterator.hasNext()) { |
| 1301 | YangIfFeature ifFeature = ifFeatureIterator.next(); |
| 1302 | YangEntityToResolveInfo<YangIfFeature> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 1303 | unResolvedEntityInfo.setEntityToResolve(ifFeature); |
| 1304 | unResolvedEntityInfo.setHolderOfEntityToResolve(node); |
| 1305 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 1306 | } |
| 1307 | } |
| 1308 | } |
| 1309 | |
| 1310 | /** |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1311 | * Returns if there is any unresolved base in identity. |
| 1312 | * |
| 1313 | * @param node module/submodule node |
| 1314 | */ |
| 1315 | private void addUnResolvedBaseToStack(YangNode node) { |
| 1316 | |
| 1317 | YangIdentity curNode = (YangIdentity) node; |
| 1318 | if (curNode.getBaseNode() != null) { |
| 1319 | if (curNode.getBaseNode().getResolvableStatus() != RESOLVED) { |
| 1320 | YangEntityToResolveInfoImpl<YangBase> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 1321 | unResolvedEntityInfo.setEntityToResolve(curNode.getBaseNode()); |
| 1322 | unResolvedEntityInfo.setHolderOfEntityToResolve(node); |
| 1323 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 1324 | |
| 1325 | } |
| 1326 | } |
| 1327 | } |
| 1328 | |
| 1329 | |
| 1330 | /** |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1331 | * Returns stack of YANG type with partially resolved YANG construct |
| 1332 | * hierarchy. |
| 1333 | * |
| 1334 | * @return partial resolved YANG construct stack |
| 1335 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1336 | private Stack<YangEntityToResolveInfoImpl<T>> getPartialResolvedStack() { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1337 | return partialResolvedStack; |
| 1338 | } |
| 1339 | |
| 1340 | /** |
| 1341 | * Sets stack of YANG type with partially resolved YANG construct hierarchy. |
| 1342 | * |
| 1343 | * @param partialResolvedStack partial resolved YANG construct stack |
| 1344 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1345 | private void setPartialResolvedStack(Stack<YangEntityToResolveInfoImpl<T>> partialResolvedStack) { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1346 | this.partialResolvedStack = partialResolvedStack; |
| 1347 | } |
| 1348 | |
| 1349 | /** |
| 1350 | * Sets stack of YANG type with partially resolved YANG construct hierarchy. |
| 1351 | * |
| 1352 | * @param partialResolvedInfo partial resolved YANG construct stack |
| 1353 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1354 | private void addInPartialResolvedStack(YangEntityToResolveInfoImpl<T> partialResolvedInfo) { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1355 | getPartialResolvedStack().push(partialResolvedInfo); |
| 1356 | } |
| 1357 | |
| 1358 | /** |
| 1359 | * Retrieves the next entity in the stack that needs to be resolved. It is |
| 1360 | * assumed that the caller ensures that the stack is not empty. |
| 1361 | * |
| 1362 | * @return next entity in the stack that needs to be resolved |
| 1363 | */ |
| 1364 | private T getCurrentEntityToResolveFromStack() { |
| 1365 | return getPartialResolvedStack().peek().getEntityToResolve(); |
| 1366 | } |
| 1367 | |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1368 | @Override |
| 1369 | public YangEntityToResolveInfoImpl<T> getEntityToResolveInfo() { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1370 | return entityToResolveInfo; |
| 1371 | } |
| 1372 | |
| 1373 | /** |
| 1374 | * Sets information about the entity that needs to be resolved. |
| 1375 | * |
| 1376 | * @param entityToResolveInfo information about the entity that needs to be |
| 1377 | * resolved |
| 1378 | */ |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1379 | private void setEntityToResolveInfo(YangEntityToResolveInfoImpl<T> entityToResolveInfo) { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1380 | this.entityToResolveInfo = entityToResolveInfo; |
| 1381 | } |
| 1382 | |
| 1383 | @Override |
| 1384 | public int getLineNumber() { |
| 1385 | return lineNumber; |
| 1386 | } |
| 1387 | |
| 1388 | @Override |
| 1389 | public int getCharPosition() { |
| 1390 | return charPosition; |
| 1391 | } |
| 1392 | |
| 1393 | @Override |
| 1394 | public void setLineNumber(int lineNumber) { |
| 1395 | this.lineNumber = lineNumber; |
| 1396 | } |
| 1397 | |
| 1398 | @Override |
| 1399 | public void setCharPosition(int charPositionInLine) { |
| 1400 | this.charPosition = charPositionInLine; |
| 1401 | } |
| 1402 | |
| 1403 | /** |
| 1404 | * Returns current module/sub-module reference, will be used in inter-file/ |
| 1405 | * inter-jar scenario to get the import/include list. |
| 1406 | * |
| 1407 | * @return current module/sub-module reference |
| 1408 | */ |
| 1409 | private YangReferenceResolver getCurReferenceResolver() { |
| 1410 | return curReferenceResolver; |
| 1411 | } |
| 1412 | |
| 1413 | /** |
| 1414 | * Sets current module/sub-module reference, will be used in inter-file/ |
| 1415 | * inter-jar scenario to get the import/include list. |
| 1416 | * |
| 1417 | * @param curReferenceResolver current module/sub-module reference |
| 1418 | */ |
| 1419 | private void setCurReferenceResolver(YangReferenceResolver curReferenceResolver) { |
| 1420 | this.curReferenceResolver = curReferenceResolver; |
| 1421 | } |
| 1422 | |
Gaurav Agrawal | 58b348e | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1423 | @Override |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1424 | public void linkInterFile(YangReferenceResolver dataModelRootNode) |
| 1425 | throws DataModelException { |
| 1426 | |
| 1427 | setCurReferenceResolver(dataModelRootNode); |
| 1428 | |
| 1429 | // Current node to resolve, it can be a YANG type or YANG uses. |
| 1430 | T entityToResolve = getEntityToResolveInfo().getEntityToResolve(); |
| 1431 | |
| 1432 | // Check if linking is already done |
| 1433 | if (entityToResolve instanceof Resolvable) { |
| 1434 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 1435 | if (resolvable.getResolvableStatus() == RESOLVED) { |
| 1436 | return; |
| 1437 | } |
| 1438 | } else { |
| 1439 | throw new DataModelException("Data Model Exception: Entity to resolved is not Resolvable"); |
| 1440 | } |
| 1441 | |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 1442 | if (entityToResolve instanceof YangXPathResolver) { |
| 1443 | //Process x-path linking. |
| 1444 | processXPathLinking(getEntityToResolveInfo(), dataModelRootNode); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1445 | |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 1446 | } else { |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1447 | |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 1448 | // Push the initial entity to resolve in stack. |
| 1449 | addInPartialResolvedStack(getEntityToResolveInfo()); |
| 1450 | |
| 1451 | // Inter file linking and resolution. |
| 1452 | linkInterFileAndResolve(); |
| 1453 | |
| 1454 | addDerivedRefTypeToRefTypeResolutionList(); |
| 1455 | } |
| 1456 | } |
| 1457 | |
| 1458 | /** |
| 1459 | * Process x-path linking for augment and leaf-ref. |
| 1460 | * |
| 1461 | * @param entityToResolveInfo entity to resolve |
| 1462 | * @param root root node |
| 1463 | */ |
| 1464 | private void processXPathLinking(YangEntityToResolveInfoImpl<T> entityToResolveInfo, |
| 1465 | YangReferenceResolver root) { |
| 1466 | YangXpathLinker<T> xPathLinker = new YangXpathLinker<T>(); |
| 1467 | T entityToResolve = entityToResolveInfo.getEntityToResolve(); |
| 1468 | if (entityToResolve instanceof YangAugment) { |
| 1469 | YangNode targetNode = null; |
| 1470 | YangAugment augment = (YangAugment) entityToResolve; |
| 1471 | targetNode = xPathLinker.processAugmentXpathLinking(augment.getTargetNode(), |
| 1472 | (YangNode) root); |
| 1473 | if (targetNode != null) { |
| 1474 | if (targetNode instanceof YangAugmentableNode) { |
| 1475 | detectCollisionForAugmentedNode(targetNode, augment); |
| 1476 | ((YangAugmentableNode) targetNode).addAugmentation(augment); |
| 1477 | augment.setAugmentedNode(targetNode); |
Bharat saraswal | af413b8 | 2016-07-14 15:18:20 +0530 | [diff] [blame] | 1478 | augment.setResolveNodeInPath(xPathLinker.getResolvedNodes()); |
Bharat saraswal | d14cbe8 | 2016-07-14 13:26:18 +0530 | [diff] [blame] | 1479 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 1480 | resolvable.setResolvableStatus(RESOLVED); |
| 1481 | } else { |
| 1482 | throw new LinkerException("Invalid target node type " + targetNode.getNodeType() + " for " |
| 1483 | + augment.getName()); |
| 1484 | } |
| 1485 | } else { |
| 1486 | throw new LinkerException("Failed to link " + augment.getName()); |
| 1487 | } |
| 1488 | } else if (entityToResolve instanceof YangLeafRef) { |
| 1489 | YangLeafRef leafRef = (YangLeafRef) entityToResolve; |
| 1490 | Object target = xPathLinker.processLeafRefXpathLinking(leafRef.getAtomicPath(), |
| 1491 | (YangNode) root); |
| 1492 | if (target != null) { |
| 1493 | YangLeaf leaf = null; |
| 1494 | YangLeafList leafList = null; |
| 1495 | leafRef.setReferredLeafOrLeafList(target); |
| 1496 | if (target instanceof YangLeaf) { |
| 1497 | leaf = (YangLeaf) target; |
| 1498 | leafRef.setEffectiveDataType(leaf.getDataType()); |
| 1499 | } else { |
| 1500 | leafList = (YangLeafList) target; |
| 1501 | leafRef.setEffectiveDataType(leafList.getDataType()); |
| 1502 | } |
| 1503 | leafRef.setResolvableStatus(RESOLVED); |
| 1504 | //TODO: add logic for leaf-ref for path predicates. |
| 1505 | } else { |
| 1506 | throw new LinkerException("YANG file error: Unable to find base leaf/leaf-list for given leafref " |
| 1507 | + leafRef.getPath()); |
| 1508 | } |
| 1509 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1510 | } |
| 1511 | |
| 1512 | /** |
| 1513 | * Returns the referenced prefix of entity under resolution. |
| 1514 | * |
| 1515 | * @return referenced prefix of entity under resolution |
| 1516 | * @throws DataModelException a violation in data model rule |
| 1517 | */ |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1518 | private String getRefPrefix() |
| 1519 | throws DataModelException { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1520 | String refPrefix; |
| 1521 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1522 | refPrefix = ((YangType<?>) getCurrentEntityToResolveFromStack()).getPrefix(); |
| 1523 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1524 | refPrefix = ((YangUses) getCurrentEntityToResolveFromStack()).getPrefix(); |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1525 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1526 | refPrefix = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getPrefix(); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1527 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1528 | refPrefix = refPrefixForLeafRef(); |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1529 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1530 | refPrefix = ((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getPrefix(); |
| 1531 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1532 | refPrefix = ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getPrefix(); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1533 | } else { |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1534 | throw new DataModelException("Data Model Exception: Entity to resolved is other than " + |
| 1535 | "type/uses/base/identityref"); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1536 | } |
| 1537 | return refPrefix; |
| 1538 | } |
| 1539 | |
| 1540 | /** |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1541 | * Returns the referenced prefix for leafref under resolution. |
| 1542 | * |
| 1543 | * @return referenced prefix of leafref under resolution |
| 1544 | */ |
| 1545 | private String refPrefixForLeafRef() { |
| 1546 | |
| 1547 | String refPrefix; |
| 1548 | if (((YangLeafRef) getCurrentEntityToResolveFromStack()).getPathType() == YangPathArgType.ABSOLUTE_PATH) { |
| 1549 | List<YangAtomicPath> theList = ((YangLeafRef) getCurrentEntityToResolveFromStack()).getAtomicPath(); |
| 1550 | YangAtomicPath absPath = theList.iterator().next(); |
| 1551 | refPrefix = absPath.getNodeIdentifier().getPrefix(); |
| 1552 | } else { |
| 1553 | YangRelativePath relativePath = ((YangLeafRef) getCurrentEntityToResolveFromStack()).getRelativePath(); |
| 1554 | List<YangAtomicPath> theList = relativePath.getAtomicPathList(); |
| 1555 | YangAtomicPath absPath = theList.iterator().next(); |
| 1556 | refPrefix = absPath.getNodeIdentifier().getPrefix(); |
| 1557 | } |
| 1558 | return refPrefix; |
| 1559 | } |
| 1560 | |
| 1561 | /** |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1562 | * Performs inter file linking and resolution. |
| 1563 | * |
| 1564 | * @throws DataModelException a violation in data model rule |
| 1565 | */ |
| 1566 | private void linkInterFileAndResolve() |
| 1567 | throws DataModelException { |
| 1568 | |
| 1569 | while (getPartialResolvedStack().size() != 0) { |
| 1570 | |
| 1571 | // Current node to resolve, it can be a YANG type or YANG uses. |
| 1572 | T entityToResolve = getCurrentEntityToResolveFromStack(); |
| 1573 | // Check if linking is already done |
| 1574 | if (entityToResolve instanceof Resolvable) { |
| 1575 | |
| 1576 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 1577 | switch (resolvable.getResolvableStatus()) { |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1578 | case RESOLVED: { |
| 1579 | /* |
| 1580 | * If the entity is already resolved in the stack, then pop |
| 1581 | * it and continue with the remaining stack elements to |
| 1582 | * resolve |
| 1583 | */ |
| 1584 | getPartialResolvedStack().pop(); |
| 1585 | break; |
| 1586 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1587 | |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1588 | case INTER_FILE_LINKED: { |
| 1589 | /* |
| 1590 | * If the top of the stack is already linked then resolve |
| 1591 | * the references and pop the entity and continue with |
| 1592 | * remaining stack elements to resolve |
| 1593 | */ |
| 1594 | resolveTopOfStack(INTER_FILE); |
| 1595 | getPartialResolvedStack().pop(); |
| 1596 | break; |
| 1597 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1598 | |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1599 | case INTRA_FILE_RESOLVED: { |
| 1600 | /* |
| 1601 | * If the top of the stack is intra file resolved then check |
| 1602 | * if top of stack is linked, if not link it using |
| 1603 | * import/include list and push the linked referred entity |
| 1604 | * to the stack, otherwise only push it to the stack. |
| 1605 | */ |
| 1606 | linkInterFileTopOfStackRefUpdateStack(); |
| 1607 | break; |
| 1608 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1609 | |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1610 | case UNDEFINED: { |
| 1611 | /* |
| 1612 | * In case of if-feature resolution, if referred "feature" is not |
| 1613 | * defined then the resolvable status will be undefined. |
| 1614 | */ |
| 1615 | getPartialResolvedStack().pop(); |
| 1616 | break; |
| 1617 | } |
| 1618 | |
| 1619 | default: { |
| 1620 | throw new DataModelException("Data Model Exception: Unsupported, linker state"); |
| 1621 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1622 | |
| 1623 | } |
| 1624 | |
| 1625 | } else { |
| 1626 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses"); |
| 1627 | } |
| 1628 | |
| 1629 | } |
| 1630 | |
| 1631 | } |
| 1632 | |
| 1633 | /** |
| 1634 | * Links the top of the stack if it's inter-file and update stack. |
| 1635 | * |
| 1636 | * @throws DataModelException data model error |
| 1637 | */ |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1638 | private void linkInterFileTopOfStackRefUpdateStack() |
| 1639 | throws DataModelException { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1640 | |
| 1641 | /* |
| 1642 | * Obtain the referred node of top of stack entity under resolution |
| 1643 | */ |
| 1644 | T referredNode = getRefNode(); |
| 1645 | |
| 1646 | /* |
| 1647 | * Check for null for scenario when it's not linked and inter-file |
| 1648 | * linking is required. |
| 1649 | */ |
| 1650 | if (referredNode == null) { |
| 1651 | |
| 1652 | /* |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1653 | * Check if prefix is null or not, to identify whether to search in |
| 1654 | * import list or include list. |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1655 | */ |
Bharat saraswal | 5cd9e9c | 2016-05-26 23:48:38 +0530 | [diff] [blame] | 1656 | if (getRefPrefix() != null && !getRefPrefix().contentEquals(getCurReferenceResolver().getPrefix())) { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1657 | if (resolveWithImport()) { |
| 1658 | return; |
| 1659 | } |
| 1660 | } else { |
| 1661 | if (resolveWithInclude()) { |
| 1662 | return; |
| 1663 | } |
| 1664 | } |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1665 | |
| 1666 | if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1667 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setResolvableStatus(UNDEFINED); |
| 1668 | return; |
| 1669 | } |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1670 | // If current entity is still not resolved, then |
| 1671 | // linking/resolution has failed. |
| 1672 | String errorInfo; |
| 1673 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1674 | errorInfo = TYPEDEF_LINKER_ERROR; |
| 1675 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1676 | errorInfo = GROUPING_LINKER_ERROR; |
| 1677 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1678 | errorInfo = FEATURE_LINKER_ERROR; |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1679 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1680 | errorInfo = BASE_LINKER_ERROR; |
| 1681 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1682 | errorInfo = IDENTITYREF_LINKER_ERROR; |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1683 | } else { |
| 1684 | errorInfo = LEAFREF_LINKER_ERROR; |
| 1685 | } |
| 1686 | DataModelException dataModelException = new DataModelException(errorInfo); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1687 | dataModelException.setLine(getLineNumber()); |
| 1688 | dataModelException.setCharPosition(getCharPosition()); |
| 1689 | throw dataModelException; |
| 1690 | } else { |
| 1691 | /* |
| 1692 | * If referred node is already linked, then just change the status |
| 1693 | * and push to the stack. |
| 1694 | */ |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1695 | if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1696 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTER_FILE_LINKED); |
| 1697 | if (referredNode instanceof YangLeaf) { |
| 1698 | YangLeaf yangleaf = (YangLeaf) referredNode; |
| 1699 | addUnResolvedLeafRefTypeToStack((T) yangleaf, (YangNode) yangleaf.getContainedIn()); |
| 1700 | } else if (referredNode instanceof YangLeafList) { |
| 1701 | YangLeafList yangLeafList = (YangLeafList) referredNode; |
| 1702 | addUnResolvedLeafRefTypeToStack((T) yangLeafList, (YangNode) yangLeafList.getContainedIn()); |
| 1703 | } |
| 1704 | } else { |
| 1705 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTER_FILE_LINKED); |
| 1706 | addUnresolvedRecursiveReferenceToStack((YangNode) referredNode); |
| 1707 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1708 | } |
| 1709 | } |
| 1710 | |
| 1711 | /** |
| 1712 | * Finds and resolves with include list. |
| 1713 | * |
| 1714 | * @return true if resolved, false otherwise |
| 1715 | * @throws DataModelException a violation in data model rule |
| 1716 | */ |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1717 | private boolean resolveWithInclude() |
| 1718 | throws DataModelException { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1719 | /* |
| 1720 | * Run through all the nodes in include list and search for referred |
| 1721 | * typedef/grouping at the root level. |
| 1722 | */ |
| 1723 | for (YangInclude yangInclude : getCurReferenceResolver().getIncludeList()) { |
| 1724 | YangNode linkedNode = null; |
| 1725 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1726 | linkedNode = findRefTypedef(yangInclude.getIncludedNode()); |
| 1727 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1728 | linkedNode = findRefGrouping(yangInclude.getIncludedNode()); |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1729 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1730 | linkedNode = findRefFeature(yangInclude.getIncludedNode()); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1731 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1732 | boolean referredNode = findRefLeaf(yangInclude.getIncludedNode()); |
| 1733 | /* |
| 1734 | * Update the current reference resolver to external |
| 1735 | * module/sub-module containing the referred typedef/grouping. |
| 1736 | */ |
| 1737 | setCurReferenceResolver((YangReferenceResolver) yangInclude.getIncludedNode()); |
| 1738 | |
| 1739 | return referredNode; |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1740 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1741 | linkedNode = findRefIdentity(yangInclude.getIncludedNode()); |
| 1742 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1743 | linkedNode = findRefIdentityRef(yangInclude.getIncludedNode()); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1744 | } |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1745 | |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1746 | if (linkedNode != null) { |
| 1747 | // Add the link to external entity. |
| 1748 | addReferredEntityLink(linkedNode, INTER_FILE_LINKED); |
| 1749 | /* |
| 1750 | * Update the current reference resolver to external |
| 1751 | * module/sub-module containing the referred typedef/grouping. |
| 1752 | */ |
| 1753 | setCurReferenceResolver((YangReferenceResolver) yangInclude.getIncludedNode()); |
| 1754 | // Add the type/uses of referred typedef/grouping to the stack. |
| 1755 | addUnresolvedRecursiveReferenceToStack(linkedNode); |
| 1756 | return true; |
| 1757 | } |
| 1758 | } |
| 1759 | // If referred node can't be found return false. |
| 1760 | return false; |
| 1761 | } |
| 1762 | |
| 1763 | /** |
| 1764 | * Finds and resolves with import list. |
| 1765 | * |
| 1766 | * @return true if resolved, false otherwise |
| 1767 | * @throws DataModelException a violation in data model rule |
| 1768 | */ |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1769 | private boolean resolveWithImport() |
| 1770 | throws DataModelException { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1771 | /* |
| 1772 | * Run through import list to find the referred typedef/grouping. |
| 1773 | */ |
| 1774 | for (YangImport yangImport : getCurReferenceResolver().getImportList()) { |
| 1775 | /* |
| 1776 | * Match the prefix attached to entity under resolution with the |
| 1777 | * imported/included module/sub-module's prefix. If found, search |
| 1778 | * for the referred typedef/grouping at the root level. |
| 1779 | */ |
| 1780 | if (yangImport.getPrefixId().contentEquals(getRefPrefix())) { |
| 1781 | YangNode linkedNode = null; |
| 1782 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1783 | linkedNode = findRefTypedef(yangImport.getImportedNode()); |
| 1784 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1785 | linkedNode = findRefGrouping(yangImport.getImportedNode()); |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1786 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1787 | linkedNode = findRefFeature(yangImport.getImportedNode()); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1788 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1789 | boolean referredNode = findRefLeaf(yangImport.getImportedNode()); |
| 1790 | /* |
| 1791 | * Update the current reference resolver to external |
| 1792 | * module/sub-module containing the referred |
| 1793 | * typedef/grouping. |
| 1794 | */ |
| 1795 | setCurReferenceResolver((YangReferenceResolver) yangImport.getImportedNode()); |
| 1796 | |
| 1797 | return referredNode; |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1798 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1799 | linkedNode = findRefIdentity(yangImport.getImportedNode()); |
| 1800 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1801 | linkedNode = findRefIdentityRef(yangImport.getImportedNode()); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1802 | } |
| 1803 | if (linkedNode != null) { |
| 1804 | // Add the link to external entity. |
| 1805 | addReferredEntityLink(linkedNode, INTER_FILE_LINKED); |
| 1806 | /* |
| 1807 | * Update the current reference resolver to external |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1808 | * module/sub-module containing the referred |
| 1809 | * typedef/grouping. |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1810 | */ |
| 1811 | setCurReferenceResolver((YangReferenceResolver) yangImport.getImportedNode()); |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1812 | // Add the type/uses of referred typedef/grouping to the |
| 1813 | // stack. |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1814 | addUnresolvedRecursiveReferenceToStack(linkedNode); |
| 1815 | return true; |
| 1816 | } |
| 1817 | /* |
| 1818 | * If referred node can't be found at root level break for loop, |
| 1819 | * and return false. |
| 1820 | */ |
| 1821 | break; |
| 1822 | } |
| 1823 | } |
| 1824 | // If referred node can't be found return false. |
| 1825 | return false; |
| 1826 | } |
| 1827 | |
| 1828 | /** |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1829 | * Returns the status of referred leaf. |
| 1830 | * |
| 1831 | * @param importedNode the root node from a YANG file |
| 1832 | * @return status of the referred leaf |
| 1833 | * @throws DataModelException |
| 1834 | */ |
| 1835 | private boolean findRefLeaf(YangNode importedNode) throws DataModelException { |
| 1836 | |
| 1837 | boolean isReferredNodeFound = false; |
| 1838 | List<YangAtomicPath> absolutePathList = ((YangLeafRef) getCurrentEntityToResolveFromStack()) |
| 1839 | .getAtomicPath(); |
| 1840 | if (absolutePathList != null && !absolutePathList.isEmpty()) { |
| 1841 | Iterator<YangAtomicPath> listOfYangAtomicPath = absolutePathList.listIterator(); |
| 1842 | |
| 1843 | while (listOfYangAtomicPath.hasNext()) { |
| 1844 | YangAtomicPath absolutePath = listOfYangAtomicPath.next(); |
| 1845 | String nodeName = absolutePath.getNodeIdentifier().getName(); |
| 1846 | |
| 1847 | if (importedNode.getChild() == null) { |
| 1848 | isReferredNodeFound = isReferredLeafOrLeafListFound(importedNode, nodeName, (T) INTER_FILE_LINKED); |
| 1849 | break; |
| 1850 | } |
| 1851 | importedNode = importedNode.getChild(); |
| 1852 | |
| 1853 | YangNode nodeFound = isReferredNodeInSiblingProcessedForLeafref(importedNode, nodeName); |
| 1854 | if (nodeFound == null) { |
| 1855 | isReferredNodeFound = isReferredLeafOrLeafListFound(importedNode.getParent(), nodeName, |
| 1856 | (T) INTER_FILE_LINKED); |
| 1857 | } else { |
| 1858 | importedNode = nodeFound; |
| 1859 | } |
| 1860 | } |
| 1861 | } |
| 1862 | // TODO: Path predicates filling for inter file has to be done. |
| 1863 | return isReferredNodeFound; |
| 1864 | } |
| 1865 | |
| 1866 | /** |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1867 | * Returns referred typedef/grouping node. |
| 1868 | * |
| 1869 | * @return referred typedef/grouping node |
| 1870 | * @throws DataModelException a violation in data model rule |
| 1871 | */ |
VinodKumarS-Huawei | d81eccb | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1872 | private T getRefNode() |
| 1873 | throws DataModelException { |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1874 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
Bharat saraswal | c2d3be1 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1875 | YangDerivedInfo<?> derivedInfo = (YangDerivedInfo<?>) ((YangType<?>) getCurrentEntityToResolveFromStack()) |
| 1876 | .getDataTypeExtendedInfo(); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1877 | return (T) derivedInfo.getReferredTypeDef(); |
| 1878 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1879 | return (T) ((YangUses) getCurrentEntityToResolveFromStack()).getRefGroup(); |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1880 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1881 | return (T) ((YangIfFeature) getCurrentEntityToResolveFromStack()).getReferredFeatureHolder(); |
janani b | 0e4e8ae | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1882 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1883 | return (T) ((YangLeafRef) getCurrentEntityToResolveFromStack()).getReferredLeafOrLeafList(); |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1884 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1885 | return (T) ((YangBase) getCurrentEntityToResolveFromStack()).getReferredIdentity(); |
| 1886 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1887 | return (T) ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getReferredIdentity(); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1888 | } else { |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1889 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type" + |
| 1890 | "/uses/base/identityref"); |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1891 | } |
| 1892 | } |
| 1893 | |
| 1894 | /** |
| 1895 | * Finds the referred grouping node at the root level of imported/included node. |
| 1896 | * |
| 1897 | * @param refNode module/sub-module node |
| 1898 | * @return referred grouping |
| 1899 | */ |
| 1900 | private YangNode findRefGrouping(YangNode refNode) { |
| 1901 | YangNode tmpNode = refNode.getChild(); |
| 1902 | while (tmpNode != null) { |
| 1903 | if (tmpNode instanceof YangGrouping) { |
| 1904 | if (tmpNode.getName() |
| 1905 | .equals(((YangUses) getCurrentEntityToResolveFromStack()).getName())) { |
| 1906 | return tmpNode; |
| 1907 | } |
| 1908 | } |
| 1909 | tmpNode = tmpNode.getNextSibling(); |
| 1910 | } |
| 1911 | return null; |
| 1912 | } |
| 1913 | |
| 1914 | /** |
Vidyashree Rama | 13b4c55 | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1915 | * Finds the referred feature node at the root level of imported/included node. |
| 1916 | * |
| 1917 | * @param refNode module/sub-module node |
| 1918 | * @return referred feature |
| 1919 | */ |
| 1920 | private YangNode findRefFeature(YangNode refNode) { |
| 1921 | YangNodeIdentifier ifFeature = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getName(); |
| 1922 | List<YangFeature> featureList = ((YangFeatureHolder) refNode).getFeatureList(); |
| 1923 | |
| 1924 | if (featureList != null && !featureList.isEmpty()) { |
| 1925 | Iterator<YangFeature> iterator = featureList.iterator(); |
| 1926 | while (iterator.hasNext()) { |
| 1927 | YangFeature feature = iterator.next(); |
| 1928 | if (ifFeature.getName().equals(feature.getName())) { |
| 1929 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setReferredFeature(feature); |
| 1930 | return refNode; |
| 1931 | } |
| 1932 | } |
| 1933 | } |
| 1934 | return null; |
| 1935 | } |
| 1936 | |
| 1937 | /** |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1938 | * Finds the referred typedef node at the root level of imported/included node. |
| 1939 | * |
| 1940 | * @param refNode module/sub-module node |
| 1941 | * @return referred typedef |
| 1942 | */ |
| 1943 | private YangNode findRefTypedef(YangNode refNode) { |
| 1944 | YangNode tmpNode = refNode.getChild(); |
| 1945 | while (tmpNode != null) { |
| 1946 | if (tmpNode instanceof YangTypeDef) { |
| 1947 | if (tmpNode.getName() |
| 1948 | .equals(((YangType) getCurrentEntityToResolveFromStack()).getDataTypeName())) { |
| 1949 | return tmpNode; |
| 1950 | } |
| 1951 | } |
| 1952 | tmpNode = tmpNode.getNextSibling(); |
| 1953 | } |
| 1954 | return null; |
| 1955 | } |
Shankara-Huawei | 234cd09 | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1956 | |
| 1957 | /** |
| 1958 | * Finds the referred identity node at the root level of imported/included node. |
| 1959 | * |
| 1960 | * @param refNode module/sub-module node |
| 1961 | * @return referred identity |
| 1962 | */ |
| 1963 | private YangNode findRefIdentity(YangNode refNode) { |
| 1964 | YangNode tmpNode = refNode.getChild(); |
| 1965 | while (tmpNode != null) { |
| 1966 | if (tmpNode instanceof YangIdentity) { |
| 1967 | if (tmpNode.getName() |
| 1968 | .equals(((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getName())) { |
| 1969 | return tmpNode; |
| 1970 | } |
| 1971 | } |
| 1972 | tmpNode = tmpNode.getNextSibling(); |
| 1973 | } |
| 1974 | return null; |
| 1975 | } |
| 1976 | |
| 1977 | /** |
| 1978 | * Finds the referred identity node at the root level of imported/included node. |
| 1979 | * |
| 1980 | * @param refNode module/sub-module node |
| 1981 | * @return referred identity |
| 1982 | */ |
| 1983 | private YangNode findRefIdentityRef(YangNode refNode) { |
| 1984 | YangNode tmpNode = refNode.getChild(); |
| 1985 | while (tmpNode != null) { |
| 1986 | if (tmpNode instanceof YangIdentity) { |
| 1987 | if (tmpNode.getName() |
| 1988 | .equals(((YangIdentityRef) getCurrentEntityToResolveFromStack()) |
| 1989 | .getBaseIdentity().getName())) { |
| 1990 | return tmpNode; |
| 1991 | } |
| 1992 | } |
| 1993 | tmpNode = tmpNode.getNextSibling(); |
| 1994 | } |
| 1995 | return null; |
| 1996 | } |
Gaurav Agrawal | ab7c4bd | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1997 | } |