Gaurav Agrawal | 0d43bb5 | 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 | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 19 | import java.io.Serializable; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 20 | import java.util.Iterator; |
| 21 | import java.util.List; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 22 | import java.util.Stack; |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 23 | |
| 24 | import org.onosproject.yangutils.datamodel.Resolvable; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 25 | import org.onosproject.yangutils.datamodel.ResolvableType; |
| 26 | import org.onosproject.yangutils.datamodel.YangAtomicPath; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 27 | import org.onosproject.yangutils.datamodel.YangBase; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 28 | import org.onosproject.yangutils.datamodel.YangDerivedInfo; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 29 | import org.onosproject.yangutils.datamodel.YangEntityToResolveInfo; |
| 30 | import org.onosproject.yangutils.datamodel.YangFeature; |
| 31 | import org.onosproject.yangutils.datamodel.YangFeatureHolder; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 32 | import org.onosproject.yangutils.datamodel.YangGrouping; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 33 | import org.onosproject.yangutils.datamodel.YangIfFeature; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 34 | import org.onosproject.yangutils.datamodel.YangIdentity; |
| 35 | import org.onosproject.yangutils.datamodel.YangIdentityRef; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 36 | import org.onosproject.yangutils.datamodel.YangImport; |
| 37 | import org.onosproject.yangutils.datamodel.YangInclude; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 38 | import org.onosproject.yangutils.datamodel.YangInput; |
| 39 | import org.onosproject.yangutils.datamodel.YangLeaf; |
| 40 | import org.onosproject.yangutils.datamodel.YangLeafList; |
| 41 | import org.onosproject.yangutils.datamodel.YangLeafRef; |
| 42 | import org.onosproject.yangutils.datamodel.YangLeavesHolder; |
| 43 | import org.onosproject.yangutils.datamodel.YangList; |
| 44 | import org.onosproject.yangutils.datamodel.YangModule; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 45 | import org.onosproject.yangutils.datamodel.YangNode; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 46 | import org.onosproject.yangutils.datamodel.YangNodeIdentifier; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 47 | import org.onosproject.yangutils.datamodel.YangOutput; |
| 48 | import org.onosproject.yangutils.datamodel.YangPathArgType; |
| 49 | import org.onosproject.yangutils.datamodel.YangPathPredicate; |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 50 | import org.onosproject.yangutils.datamodel.YangReferenceResolver; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 51 | import org.onosproject.yangutils.datamodel.YangRelativePath; |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 52 | import org.onosproject.yangutils.datamodel.YangResolutionInfo; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 53 | import org.onosproject.yangutils.datamodel.YangRpc; |
| 54 | import org.onosproject.yangutils.datamodel.YangSubModule; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 55 | import org.onosproject.yangutils.datamodel.YangType; |
| 56 | import org.onosproject.yangutils.datamodel.YangTypeDef; |
| 57 | import org.onosproject.yangutils.datamodel.YangUses; |
| 58 | import org.onosproject.yangutils.datamodel.exceptions.DataModelException; |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 59 | import org.onosproject.yangutils.datamodel.utils.ResolvableStatus; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 60 | import org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes; |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 61 | import org.onosproject.yangutils.linker.YangLinkingPhase; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 62 | |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 63 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.INTER_FILE_LINKED; |
| 64 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.INTRA_FILE_RESOLVED; |
| 65 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.LINKED; |
| 66 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.RESOLVED; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 67 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.UNDEFINED; |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 68 | import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.UNRESOLVED; |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 69 | import static org.onosproject.yangutils.linker.YangLinkingPhase.INTER_FILE; |
| 70 | import static org.onosproject.yangutils.linker.YangLinkingPhase.INTRA_FILE; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 71 | import static org.onosproject.yangutils.utils.UtilConstants.FEATURE_LINKER_ERROR; |
Vidyashree Rama | 210c01d | 2016-05-20 16:29:25 +0530 | [diff] [blame] | 72 | import static org.onosproject.yangutils.utils.UtilConstants.GROUPING_LINKER_ERROR; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 73 | import static org.onosproject.yangutils.utils.UtilConstants.INPUT; |
| 74 | import static org.onosproject.yangutils.utils.UtilConstants.LEAFREF; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 75 | import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 76 | import static org.onosproject.yangutils.utils.UtilConstants.LEAFREF_LINKER_ERROR; |
| 77 | import static org.onosproject.yangutils.utils.UtilConstants.OUTPUT; |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 78 | import static org.onosproject.yangutils.utils.UtilConstants.TYPEDEF_LINKER_ERROR; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 79 | import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF_LINKER_ERROR; |
| 80 | import static org.onosproject.yangutils.utils.UtilConstants.BASE_LINKER_ERROR; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 81 | |
| 82 | /** |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 83 | * Represents implementation of resolution object which will be resolved by |
| 84 | * linker. |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 85 | * |
| 86 | * @param <T> type of resolution entity uses / type |
| 87 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 88 | public class YangResolutionInfoImpl<T> |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 89 | implements YangResolutionInfo<T>, Serializable { |
| 90 | |
| 91 | private static final long serialVersionUID = 806201658L; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 92 | |
| 93 | /** |
| 94 | * Information about the entity that needs to be resolved. |
| 95 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 96 | private YangEntityToResolveInfoImpl<T> entityToResolveInfo; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 97 | |
| 98 | /** |
| 99 | * Error line number. |
| 100 | */ |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 101 | private transient int lineNumber; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 102 | |
| 103 | /** |
| 104 | * Error character position in number. |
| 105 | */ |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 106 | private transient int charPosition; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 107 | |
| 108 | /** |
| 109 | * Current module/sub-module reference, will be used in inter-file/ |
| 110 | * inter-jar scenario to get the import/include list. |
| 111 | */ |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 112 | private transient YangReferenceResolver curReferenceResolver; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 113 | |
| 114 | /** |
| 115 | * Stack for type/uses is maintained for hierarchical references, this is |
| 116 | * used during resolution. |
| 117 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 118 | private Stack<YangEntityToResolveInfoImpl<T>> partialResolvedStack; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 119 | |
| 120 | /** |
| 121 | * It is private to ensure the overloaded method be invoked to create an |
| 122 | * object. |
| 123 | */ |
| 124 | @SuppressWarnings("unused") |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 125 | private YangResolutionInfoImpl() { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 126 | |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Creates a resolution information object with all the inputs. |
| 131 | * |
| 132 | * @param dataNode current parsable data node |
| 133 | * @param holderNode parent YANG node |
| 134 | * @param lineNumber error line number |
| 135 | * @param charPositionInLine error character position in line |
| 136 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 137 | public YangResolutionInfoImpl(T dataNode, YangNode holderNode, int lineNumber, int charPositionInLine) { |
| 138 | setEntityToResolveInfo(new YangEntityToResolveInfoImpl<>()); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 139 | getEntityToResolveInfo().setEntityToResolve(dataNode); |
| 140 | getEntityToResolveInfo().setHolderOfEntityToResolve(holderNode); |
| 141 | this.setLineNumber(lineNumber); |
| 142 | this.setCharPosition(charPositionInLine); |
| 143 | setPartialResolvedStack(new Stack<>()); |
| 144 | } |
| 145 | |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 146 | @Override |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 147 | public void resolveLinkingForResolutionInfo(YangReferenceResolver dataModelRootNode) |
| 148 | throws DataModelException { |
| 149 | |
| 150 | setCurReferenceResolver(dataModelRootNode); |
| 151 | |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 152 | /** |
| 153 | * Current node to resolve, it can be a YANG type, YANG uses or YANG if-feature or |
| 154 | * YANG leafref or YANG base or YANG identityref. |
| 155 | */ |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 156 | T entityToResolve = getEntityToResolveInfo().getEntityToResolve(); |
| 157 | |
| 158 | // Check if linking is already done |
| 159 | if (entityToResolve instanceof Resolvable) { |
| 160 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 161 | if (resolvable.getResolvableStatus() == RESOLVED) { |
| 162 | /** |
| 163 | * entity is already resolved, so nothing to do |
| 164 | */ |
| 165 | return; |
| 166 | } |
| 167 | } else { |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 168 | throw new DataModelException("Data Model Exception: Entity to resolved is other than " + |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 169 | "type/uses/if-feature/leafref/base/identityref"); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | // Push the initial entity to resolve in stack. |
| 173 | addInPartialResolvedStack(getEntityToResolveInfo()); |
| 174 | |
| 175 | linkAndResolvePartialResolvedStack(); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 176 | |
| 177 | addDerivedRefTypeToRefTypeResolutionList(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Resolves linking with ancestors. |
| 182 | * |
| 183 | * @throws DataModelException a violation of data model rules |
| 184 | */ |
| 185 | private void linkAndResolvePartialResolvedStack() |
| 186 | throws DataModelException { |
| 187 | |
| 188 | while (getPartialResolvedStack().size() != 0) { |
| 189 | |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 190 | /** |
| 191 | * Current node to resolve, it can be a YANG type or YANG uses or |
| 192 | * YANG if-feature or YANG leafref or YANG base or YANG identityref. |
| 193 | */ |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 194 | T entityToResolve = getCurrentEntityToResolveFromStack(); |
| 195 | // Check if linking is already done |
| 196 | if (entityToResolve instanceof Resolvable) { |
| 197 | |
| 198 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 199 | switch (resolvable.getResolvableStatus()) { |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 200 | case RESOLVED: { |
| 201 | /* |
| 202 | * If the entity is already resolved in the stack, then pop |
| 203 | * it and continue with the remaining stack elements to |
| 204 | * resolve |
| 205 | */ |
| 206 | getPartialResolvedStack().pop(); |
| 207 | break; |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 208 | } |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 209 | |
| 210 | case LINKED: { |
| 211 | /* |
| 212 | * If the top of the stack is already linked then resolve |
| 213 | * the references and pop the entity and continue with |
| 214 | * remaining stack elements to resolve. |
| 215 | */ |
| 216 | resolveTopOfStack(INTRA_FILE); |
| 217 | getPartialResolvedStack().pop(); |
| 218 | break; |
| 219 | } |
| 220 | |
| 221 | case INTRA_FILE_RESOLVED: { |
| 222 | /* |
| 223 | * Pop the top of the stack. |
| 224 | */ |
| 225 | getPartialResolvedStack().pop(); |
| 226 | break; |
| 227 | } |
| 228 | |
| 229 | case UNRESOLVED: { |
| 230 | linkTopOfStackReferenceUpdateStack(); |
| 231 | |
| 232 | if (resolvable.getResolvableStatus() == UNRESOLVED) { |
| 233 | // If current entity is still not resolved, then |
| 234 | // linking/resolution has failed. |
| 235 | String errorInfo; |
| 236 | if (resolvable instanceof YangType) { |
| 237 | errorInfo = TYPEDEF_LINKER_ERROR; |
| 238 | } else if (resolvable instanceof YangUses) { |
| 239 | errorInfo = GROUPING_LINKER_ERROR; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 240 | } else if (resolvable instanceof YangIfFeature) { |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 241 | errorInfo = FEATURE_LINKER_ERROR; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 242 | } else if (resolvable instanceof YangBase) { |
| 243 | errorInfo = BASE_LINKER_ERROR; |
| 244 | } else if (resolvable instanceof YangIdentityRef) { |
| 245 | errorInfo = IDENTITYREF_LINKER_ERROR; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 246 | } else { |
| 247 | errorInfo = LEAFREF_LINKER_ERROR; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 248 | } |
| 249 | DataModelException dataModelException = |
| 250 | new DataModelException(errorInfo); |
| 251 | dataModelException.setLine(getLineNumber()); |
| 252 | dataModelException.setCharPosition(getCharPosition()); |
| 253 | throw dataModelException; |
| 254 | } |
| 255 | break; |
| 256 | } |
| 257 | default: { |
| 258 | throw new DataModelException("Data Model Exception: Unsupported, linker state"); |
| 259 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 260 | |
| 261 | } |
| 262 | |
| 263 | } else { |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 264 | throw new DataModelException( |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 265 | "Data Model Exception: Entity to resolved is other than type/uses/if-feature" + |
| 266 | "/leafref/base/identityref"); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 267 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | } |
| 271 | |
| 272 | /** |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 273 | * Adds the leafref/identityref type to the type, which has derived type referring to |
| 274 | * typedef with leafref/identityref type. |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 275 | */ |
| 276 | private void addDerivedRefTypeToRefTypeResolutionList() throws DataModelException { |
| 277 | |
| 278 | YangNode potentialAncestorWithReferredNode = getEntityToResolveInfo().getHolderOfEntityToResolve(); |
| 279 | |
| 280 | // If holder is typedef return. |
| 281 | if (potentialAncestorWithReferredNode instanceof YangTypeDef) { |
| 282 | return; |
| 283 | } |
| 284 | |
| 285 | // If entity is not type return. |
| 286 | if (!(getEntityToResolveInfo().getEntityToResolve() instanceof YangType)) { |
| 287 | return; |
| 288 | } |
| 289 | |
| 290 | YangType yangType = (YangType) getEntityToResolveInfo().getEntityToResolve(); |
| 291 | |
| 292 | // If type is not resolved return. |
| 293 | if (yangType.getResolvableStatus() != RESOLVED) { |
| 294 | return; |
| 295 | } |
| 296 | |
| 297 | YangDerivedInfo derivedInfo = (YangDerivedInfo) yangType.getDataTypeExtendedInfo(); |
| 298 | |
| 299 | /* |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 300 | * If the derived types referred type is not leafref/identityref return |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 301 | */ |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 302 | if ((derivedInfo.getEffectiveBuiltInType() != YangDataTypes.LEAFREF) && |
| 303 | (derivedInfo.getEffectiveBuiltInType() != YangDataTypes.IDENTITYREF)) { |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 304 | return; |
| 305 | } |
| 306 | |
| 307 | T extendedInfo = (T) derivedInfo.getReferredTypeDef().getTypeDefBaseType().getDataTypeExtendedInfo(); |
| 308 | |
| 309 | while (extendedInfo instanceof YangDerivedInfo) { |
| 310 | YangDerivedInfo derivedInfoFromTypedef = (YangDerivedInfo) extendedInfo; |
| 311 | extendedInfo = (T) derivedInfoFromTypedef.getReferredTypeDef().getTypeDefBaseType() |
| 312 | .getDataTypeExtendedInfo(); |
| 313 | } |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 314 | |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 315 | /* |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 316 | * Backup the derived types leafref/identityref info, delete all the info in current type, |
| 317 | * but for resolution status as resolved. Copy the backed up leafref/identityref to types extended info, |
| 318 | * create a leafref/identityref resolution info using the current resolution info and |
| 319 | * add to leafref/identityref resolution list. |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 320 | */ |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 321 | if (derivedInfo.getEffectiveBuiltInType() == YangDataTypes.LEAFREF) { |
| 322 | YangLeafRef leafRefInTypeDef = (YangLeafRef) extendedInfo; |
| 323 | yangType.resetYangType(); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 324 | |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 325 | yangType.setResolvableStatus(RESOLVED); |
| 326 | yangType.setDataType(YangDataTypes.LEAFREF); |
| 327 | yangType.setDataTypeName(LEAFREF); |
| 328 | yangType.setDataTypeExtendedInfo(leafRefInTypeDef); |
| 329 | leafRefInTypeDef.setResolvableStatus(UNRESOLVED); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 330 | |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 331 | // Add resolution information to the list. |
| 332 | YangResolutionInfoImpl resolutionInfoImpl = new YangResolutionInfoImpl<>(leafRefInTypeDef, |
| 333 | potentialAncestorWithReferredNode, |
| 334 | getLineNumber(), getCharPosition()); |
| 335 | getCurReferenceResolver().addToResolutionList(resolutionInfoImpl, |
| 336 | ResolvableType.YANG_LEAFREF); |
| 337 | getCurReferenceResolver().resolveSelfFileLinking(ResolvableType.YANG_LEAFREF); |
| 338 | |
| 339 | } else if (derivedInfo.getEffectiveBuiltInType() == YangDataTypes.IDENTITYREF) { |
| 340 | |
| 341 | YangIdentityRef identityRefInTypeDef = (YangIdentityRef) extendedInfo; |
| 342 | yangType.resetYangType(); |
| 343 | |
| 344 | yangType.setResolvableStatus(RESOLVED); |
| 345 | yangType.setDataType(YangDataTypes.IDENTITYREF); |
| 346 | yangType.setDataTypeName(IDENTITYREF); |
| 347 | yangType.setDataTypeExtendedInfo(identityRefInTypeDef); |
| 348 | identityRefInTypeDef.setResolvableStatus(UNRESOLVED); |
| 349 | |
| 350 | // Add resolution information to the list. |
| 351 | YangResolutionInfoImpl resolutionInfoImpl = new YangResolutionInfoImpl<>(identityRefInTypeDef, |
| 352 | potentialAncestorWithReferredNode, getLineNumber(), getCharPosition()); |
| 353 | getCurReferenceResolver().addToResolutionList(resolutionInfoImpl, |
| 354 | ResolvableType.YANG_IDENTITYREF); |
| 355 | getCurReferenceResolver().resolveSelfFileLinking(ResolvableType.YANG_IDENTITYREF); |
| 356 | } |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | /** |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 360 | * Resolves the current entity in the stack. |
| 361 | */ |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 362 | private void resolveTopOfStack(YangLinkingPhase linkingPhase) |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 363 | throws DataModelException { |
| 364 | ((Resolvable) getCurrentEntityToResolveFromStack()).resolve(); |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 365 | if (((Resolvable) getCurrentEntityToResolveFromStack()).getResolvableStatus() != INTRA_FILE_RESOLVED |
| 366 | && ((Resolvable) getCurrentEntityToResolveFromStack()).getResolvableStatus() != UNDEFINED) { |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 367 | // Sets the resolution status in inside the type/uses/if-feature/leafref. |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 368 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(RESOLVED); |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Resolves linking for a node child and siblings. |
| 374 | * |
| 375 | * @throws DataModelException data model error |
| 376 | */ |
| 377 | private void linkTopOfStackReferenceUpdateStack() |
| 378 | throws DataModelException { |
| 379 | |
| 380 | /* |
| 381 | * Check if self file reference is there, this will not check for the |
| 382 | * scenario when prefix is not present and type/uses is present in |
| 383 | * sub-module from include list. |
| 384 | */ |
| 385 | if (!isCandidateForSelfFileReference()) { |
| 386 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 387 | return; |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * Try to resolve the top of the stack and update partial resolved stack |
| 392 | * if there is recursive references |
| 393 | */ |
| 394 | YangNode potentialAncestorWithReferredNode = getPartialResolvedStack().peek() |
| 395 | .getHolderOfEntityToResolve(); |
| 396 | |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 397 | if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 398 | resolveSelfFileLinkingForIfFeature(potentialAncestorWithReferredNode); |
| 399 | return; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 400 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 401 | resolveSelfFileLinkingForLeafref(potentialAncestorWithReferredNode); |
| 402 | return; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 403 | } else if ((getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) || |
| 404 | (getCurrentEntityToResolveFromStack() instanceof YangBase)) { |
| 405 | resolveSelfFileLinkingForBaseAndIdentityref(); |
| 406 | return; |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 407 | } else { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 408 | |
| 409 | /** |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 410 | * Traverse up in the ancestor tree to check if the referred node is |
| 411 | * defined |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 412 | */ |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 413 | while (potentialAncestorWithReferredNode != null) { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 414 | |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 415 | /** |
| 416 | * Check for the referred node defined in a ancestor scope |
| 417 | */ |
| 418 | YangNode potentialReferredNode = potentialAncestorWithReferredNode.getChild(); |
| 419 | if (isReferredNodeInSiblingListProcessed(potentialReferredNode)) { |
| 420 | return; |
| 421 | } |
| 422 | |
| 423 | potentialAncestorWithReferredNode = potentialAncestorWithReferredNode.getParent(); |
| 424 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | /* |
| 428 | * In case prefix is not present it's a candidate for inter-file |
| 429 | * resolution via include list. |
| 430 | */ |
| 431 | if (getRefPrefix() == null) { |
| 432 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | /** |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 437 | * Resolves self file linking for leafref. |
| 438 | * |
| 439 | * @param potentialAncestorWithReferredNode leafref holder node |
| 440 | * @throws DataModelException a violation of data model rules |
| 441 | */ |
| 442 | private void resolveSelfFileLinkingForLeafref(YangNode potentialAncestorWithReferredNode) |
| 443 | throws DataModelException { |
| 444 | |
| 445 | YangNode ancestorWithTheReferredNode = potentialAncestorWithReferredNode; |
| 446 | YangLeafRef leafref = (YangLeafRef) getCurrentEntityToResolveFromStack(); |
| 447 | boolean referredLeafFound = false; |
| 448 | |
| 449 | /* |
| 450 | * Takes absolute path and takes the root node as module/sub-module, |
| 451 | * then sends the list of nodes for finding the target leaf. |
| 452 | */ |
| 453 | if (leafref.getPathType() == YangPathArgType.ABSOLUTE_PATH) { |
| 454 | List<YangAtomicPath> atomicPathList = leafref.getAtomicPath(); |
| 455 | if (atomicPathList != null && !atomicPathList.isEmpty()) { |
| 456 | Iterator<YangAtomicPath> listOfYangAtomicPath = atomicPathList.listIterator(); |
| 457 | if (getCurReferenceResolver() instanceof YangModule) { |
| 458 | YangModule rootNode = (YangModule) getCurReferenceResolver(); |
| 459 | // Sends list of nodes for finding the target leaf. |
| 460 | referredLeafFound = isLeafReferenceFound(listOfYangAtomicPath, rootNode, |
| 461 | referredLeafFound, potentialAncestorWithReferredNode); |
| 462 | } else if (getCurReferenceResolver() instanceof YangSubModule) { |
| 463 | YangSubModule rootNode = (YangSubModule) getCurReferenceResolver(); |
| 464 | // Sends list of nodes for finding the target leaf. |
| 465 | referredLeafFound = isLeafReferenceFound(listOfYangAtomicPath, rootNode, |
| 466 | referredLeafFound, potentialAncestorWithReferredNode); |
| 467 | } |
| 468 | } |
| 469 | /* |
| 470 | * Takes relative path, goes to the parent node by using the |
| 471 | * ancestor count and sends the list of nodes for finding the target |
| 472 | * leaf. |
| 473 | */ |
| 474 | } else if (leafref.getPathType() == YangPathArgType.RELATIVE_PATH) { |
| 475 | YangRelativePath yangRelativePath = leafref.getRelativePath(); |
| 476 | int parentNodes = yangRelativePath.getAncestorNodeCount(); |
| 477 | List<YangAtomicPath> atomicPathList = yangRelativePath.getAtomicPathList(); |
| 478 | if (atomicPathList != null && !atomicPathList.isEmpty()) { |
| 479 | Iterator<YangAtomicPath> listOfAtomicPath = atomicPathList.listIterator(); |
| 480 | // Gets the root node from ancestor count. |
| 481 | YangNode rootparentNode = getRootNodeWithAncestorCount(parentNodes, ancestorWithTheReferredNode); |
| 482 | // Sends list of nodes for finding the target leaf. |
| 483 | referredLeafFound = isLeafReferenceFound(listOfAtomicPath, rootparentNode, |
| 484 | referredLeafFound, potentialAncestorWithReferredNode); |
| 485 | } |
| 486 | } |
| 487 | if (referredLeafFound) { |
| 488 | return; |
| 489 | } |
| 490 | /* |
| 491 | * In case prefix is not present it's a candidate for inter-file |
| 492 | * resolution via include list. |
| 493 | */ |
| 494 | if (getRefPrefix() == null) { |
| 495 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | /** |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 500 | * Resolves self file linking for base/identityref. |
| 501 | * |
| 502 | * @throws DataModelException a violation of data model rules |
| 503 | */ |
| 504 | private void resolveSelfFileLinkingForBaseAndIdentityref() |
| 505 | throws DataModelException { |
| 506 | |
| 507 | boolean referredIdentityFound = false; |
| 508 | String nodeName = null; |
| 509 | |
| 510 | if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 511 | nodeName = ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getName(); |
| 512 | } |
| 513 | |
| 514 | if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 515 | nodeName = ((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getName(); |
| 516 | } |
| 517 | |
| 518 | if (getCurReferenceResolver() instanceof YangModule) { |
| 519 | YangModule rootNode = (YangModule) getCurReferenceResolver(); |
| 520 | // Sends list of nodes for finding the target identity. |
| 521 | referredIdentityFound = isIdentityReferenceFound(nodeName, rootNode); |
| 522 | } else if (getCurReferenceResolver() instanceof YangSubModule) { |
| 523 | YangSubModule rootNode = (YangSubModule) getCurReferenceResolver(); |
| 524 | // Sends list of nodes for finding the target identity. |
| 525 | referredIdentityFound = isIdentityReferenceFound(nodeName, rootNode); |
| 526 | } |
| 527 | |
| 528 | if (referredIdentityFound) { |
| 529 | return; |
| 530 | } |
| 531 | |
| 532 | /* |
| 533 | * In case prefix is not present it's a candidate for inter-file resolution via include list. |
| 534 | */ |
| 535 | if (getRefPrefix() == null) { |
| 536 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | /** |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 541 | * Returns the root parent with respect to the ancestor count from leafref. |
| 542 | * |
| 543 | * @param ancestorCount count of node where parent node can be reached |
| 544 | * @param currentParent current parent node |
| 545 | * @return root node |
| 546 | * @throws DataModelException a violation of data model rules |
| 547 | */ |
| 548 | private YangNode getRootNodeWithAncestorCount(int ancestorCount, YangNode currentParent) |
| 549 | throws DataModelException { |
| 550 | |
| 551 | int currentParentCount = 1; |
| 552 | while (currentParentCount < ancestorCount) { |
| 553 | if (currentParent.getParent() == null) { |
| 554 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 555 | } |
| 556 | currentParent = currentParent.getParent(); |
| 557 | currentParentCount = currentParentCount + 1; |
| 558 | } |
| 559 | return currentParent; |
| 560 | } |
| 561 | |
| 562 | /** |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 563 | * Resolves self file linking for if-feature. |
| 564 | * |
| 565 | * @param potentialAncestorWithReferredNode if-feature holder node |
| 566 | * @throws DataModelException DataModelException a violation of data model |
| 567 | * rules |
| 568 | */ |
| 569 | private void resolveSelfFileLinkingForIfFeature(YangNode potentialAncestorWithReferredNode) |
| 570 | throws DataModelException { |
| 571 | |
| 572 | YangFeatureHolder featureHolder = getFeatureHolder(potentialAncestorWithReferredNode); |
| 573 | YangNode potentialReferredNode = (YangNode) featureHolder; |
| 574 | if (isReferredNode(potentialReferredNode)) { |
| 575 | |
| 576 | // Adds reference link of entity to the node under resolution. |
| 577 | addReferredEntityLink(potentialReferredNode, LINKED); |
| 578 | |
| 579 | /** |
| 580 | * resolve the reference and update the partial resolution stack |
| 581 | * with any further recursive references |
| 582 | */ |
| 583 | addUnresolvedRecursiveReferenceToStack(potentialReferredNode); |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | /* |
| 588 | * In case prefix is not present it's a candidate for inter-file |
| 589 | * resolution via include list. |
| 590 | */ |
| 591 | if (getRefPrefix() == null) { |
| 592 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTRA_FILE_RESOLVED); |
| 593 | } |
| 594 | } |
| 595 | |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 596 | /** |
| 597 | * Returns the status of the referred leaf/leaf-list found for leafref. |
| 598 | * |
| 599 | * @param listOfYangAtomicPath list of atomic paths |
| 600 | * @param ancestorWithTheReferredNode the parent node of leafref |
| 601 | * @param referredLeafFound status of referred leaf/leaf-list |
| 602 | * @param potentialAncestorWithReferredNode holder of the leafref leaf |
| 603 | * @return status of referred leaf |
| 604 | * @throws DataModelException a violation of data model rules |
| 605 | */ |
| 606 | private boolean isLeafReferenceFound(Iterator<YangAtomicPath> listOfYangAtomicPath, |
| 607 | YangNode ancestorWithTheReferredNode, boolean referredLeafFound, YangNode potentialAncestorWithReferredNode) |
| 608 | throws DataModelException { |
| 609 | |
| 610 | while (listOfYangAtomicPath.hasNext()) { |
| 611 | YangAtomicPath atomicPath = listOfYangAtomicPath.next(); |
| 612 | String nodeName = atomicPath.getNodeIdentifier().getName(); |
| 613 | |
| 614 | // When child is not present, only leaf/leaf-list is available in the node. |
| 615 | if (ancestorWithTheReferredNode.getChild() == null) { |
| 616 | referredLeafFound = isReferredLeafOrLeafListFound(ancestorWithTheReferredNode, nodeName, (T) LINKED); |
| 617 | break; |
| 618 | } |
| 619 | ancestorWithTheReferredNode = ancestorWithTheReferredNode.getChild(); |
| 620 | |
| 621 | // Checks all the siblings under the node and returns the matched node. |
| 622 | YangNode nodeFound = isReferredNodeInSiblingProcessedForLeafref(ancestorWithTheReferredNode, nodeName); |
| 623 | |
| 624 | // When node is not found in all the siblings, leaf-list may be the node we have to find. |
| 625 | if (nodeFound == null) { |
| 626 | referredLeafFound = isReferredLeafOrLeafListFound(ancestorWithTheReferredNode.getParent(), nodeName, |
| 627 | (T) LINKED); |
| 628 | } else { |
| 629 | ancestorWithTheReferredNode = nodeFound; |
| 630 | |
| 631 | // For the node check if path predicate is present and fill its values. |
| 632 | List<YangPathPredicate> pathPredicateList = atomicPath.getPathPredicatesList(); |
| 633 | if (pathPredicateList != null && !pathPredicateList.isEmpty()) { |
| 634 | Iterator<YangPathPredicate> listOfYangPathPredicate = pathPredicateList.listIterator(); |
| 635 | fillPathPredicatesForTheNode(ancestorWithTheReferredNode, listOfYangPathPredicate, |
| 636 | potentialAncestorWithReferredNode); |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | // If leaf is also not found and node is also not found return the status as false. |
| 641 | if (!referredLeafFound && nodeFound == null) { |
| 642 | break; |
| 643 | } |
| 644 | } |
| 645 | return referredLeafFound; |
| 646 | } |
| 647 | |
| 648 | /** |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 649 | * Returns the status of the referred identity found for base/identityref. |
| 650 | * |
| 651 | * @param nodeName the name of the base nodeidentifier/identityref nodeidentifier |
| 652 | * @param ancestorWithTheReferredNode the parent node of base/identityref |
| 653 | * @return status of referred base/identityref |
| 654 | * @throws DataModelException a violation of data model rules |
| 655 | */ |
| 656 | private boolean isIdentityReferenceFound(String nodeName, YangNode ancestorWithTheReferredNode) |
| 657 | throws DataModelException { |
| 658 | |
| 659 | // When child is not present return. |
| 660 | if (ancestorWithTheReferredNode.getChild() == null) { |
| 661 | return false; |
| 662 | } |
| 663 | |
| 664 | ancestorWithTheReferredNode = ancestorWithTheReferredNode.getChild(); |
| 665 | |
| 666 | // Checks all the siblings under the node and returns the matched node. |
| 667 | YangNode nodeFound = isReferredNodeInSiblingProcessedForIdentity(ancestorWithTheReferredNode, nodeName); |
| 668 | |
| 669 | if (nodeFound != null) { |
| 670 | // Adds reference link of entity to the node under resolution. |
| 671 | addReferredEntityLink(nodeFound, LINKED); |
| 672 | |
| 673 | /** |
| 674 | * resolve the reference and update the partial resolution stack with any further recursive references |
| 675 | */ |
| 676 | addUnresolvedRecursiveReferenceToStack(nodeFound); |
| 677 | return true; |
| 678 | } |
| 679 | |
| 680 | return false; |
| 681 | } |
| 682 | |
| 683 | /** |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 684 | * Fills the referred leaf or leaf-list inside the path predicates. |
| 685 | * |
| 686 | * @param ancestorWithTheReferredNode the actual node where YANG list will be present |
| 687 | * @param listOfYangPathPredicate the path predicates present for the node |
| 688 | * @param potentialAncestorWithReferredNode the current leaf node parent |
| 689 | * @throws DataModelException a violation of data model rules |
| 690 | */ |
| 691 | private void fillPathPredicatesForTheNode(YangNode ancestorWithTheReferredNode, |
| 692 | Iterator<YangPathPredicate> listOfYangPathPredicate, YangNode potentialAncestorWithReferredNode) |
| 693 | throws DataModelException { |
| 694 | |
| 695 | while (listOfYangPathPredicate.hasNext()) { |
| 696 | if (!(ancestorWithTheReferredNode instanceof YangList)) { |
| 697 | throw new DataModelException("YANG file error: The path predicates are applicable only for list"); |
| 698 | } |
| 699 | YangPathPredicate pathPredicate = listOfYangPathPredicate.next(); |
| 700 | YangNodeIdentifier leftNode = pathPredicate.getNodeIdentifier(); |
| 701 | YangRelativePath relativePath = pathPredicate.getRightRelativePath(); |
| 702 | |
| 703 | // Checks that the left axis is filled in the path predicate. |
| 704 | boolean isLeftLeafOrLeafListSetForLeftAxis = getLeftLeafOrLeafListInPredicate( |
| 705 | (YangList) ancestorWithTheReferredNode, pathPredicate, leftNode); |
| 706 | if (!isLeftLeafOrLeafListSetForLeftAxis) { |
| 707 | throw new DataModelException( |
| 708 | "YANG file error: The path predicate is not referring to an existing leaf/leaflist"); |
| 709 | } |
| 710 | int parentNodes = relativePath.getAncestorNodeCount(); |
| 711 | |
| 712 | // Finds the root node for the right relative path. |
| 713 | YangNode rootParentNode = getRootNodeWithAncestorCount(parentNodes, potentialAncestorWithReferredNode); |
| 714 | |
| 715 | // Finds the leaf/leaf-list from the right side relative path. |
| 716 | resolveRightAxisNodeInPathPredicate(relativePath, rootParentNode, pathPredicate); |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | /** |
| 721 | * Resolves the right axis node in the path predicate. |
| 722 | * |
| 723 | * @param relativePath the relative path in the path predicate |
| 724 | * @param rootParentNode parent node from where the node has to be found |
| 725 | * @param pathPredicate data tree reference in YANG list |
| 726 | * @throws DataModelException a violation of data model rules |
| 727 | */ |
| 728 | private void resolveRightAxisNodeInPathPredicate(YangRelativePath relativePath, YangNode rootParentNode, |
| 729 | YangPathPredicate pathPredicate) throws DataModelException { |
| 730 | |
| 731 | List<YangAtomicPath> absolutePathList = relativePath.getAtomicPathList(); |
| 732 | if (absolutePathList != null && !absolutePathList.isEmpty()) { |
| 733 | Iterator<YangAtomicPath> listOfYangAtomicPathForRightRelative = absolutePathList.listIterator(); |
| 734 | while (listOfYangAtomicPathForRightRelative.hasNext()) { |
| 735 | boolean isRightAxisNodeFound = false; |
| 736 | YangAtomicPath absolutePathInPredicate = listOfYangAtomicPathForRightRelative.next(); |
| 737 | String nodeNameInAtomicPath = absolutePathInPredicate.getNodeIdentifier().getName(); |
| 738 | |
| 739 | // When child is not there check the leaf/leaf-list. |
| 740 | if (rootParentNode.getChild() == null) { |
| 741 | isRightAxisNodeFound = isReferredLeafOrLeafListFound(rootParentNode, |
| 742 | nodeNameInAtomicPath, (T) pathPredicate); |
| 743 | if (!isRightAxisNodeFound) { |
| 744 | throw new DataModelException( |
| 745 | "YANG file error: The path predicates is not referring to an existing leaf/leaflist"); |
| 746 | } |
| 747 | break; |
| 748 | } |
| 749 | rootParentNode = rootParentNode.getChild(); |
| 750 | YangNode nodeFoundInTheRelativePath = isReferredNodeInSiblingProcessedForLeafref( |
| 751 | rootParentNode, nodeNameInAtomicPath); |
| 752 | |
| 753 | if (nodeFoundInTheRelativePath == null) { |
| 754 | |
| 755 | // When node is not found check the leaf/leaf-list. |
| 756 | isRightAxisNodeFound = isReferredLeafOrLeafListFound(rootParentNode.getParent(), |
| 757 | nodeNameInAtomicPath, (T) pathPredicate); |
| 758 | } else { |
| 759 | rootParentNode = nodeFoundInTheRelativePath; |
| 760 | } |
| 761 | if (!isRightAxisNodeFound && nodeFoundInTheRelativePath == null) { |
| 762 | throw new DataModelException( |
| 763 | "YANG file error: The path predicates is not referring to an existing leaf/leaflist"); |
| 764 | } |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | /** |
| 770 | * Returns the status, if referred leaf/leaf-list is found. |
| 771 | * |
| 772 | * @param ancestorWithTheReferredNode the parent node of leaf/leaf-list |
| 773 | * @param nodeName the name of the leaf/leaf-list |
| 774 | * @param statusOrPathPredicate the status to be set for the leaf-ref or the path predicate |
| 775 | * @return status of the target node is found |
| 776 | * @throws DataModelException a violation of data model rules |
| 777 | */ |
| 778 | private boolean isReferredLeafOrLeafListFound(YangNode ancestorWithTheReferredNode, String nodeName, |
| 779 | T statusOrPathPredicate) throws DataModelException { |
| 780 | |
| 781 | if (!(ancestorWithTheReferredNode instanceof YangLeavesHolder)) { |
| 782 | throw new DataModelException("Yang file error: The target node of leafref is invalid."); |
| 783 | } |
| 784 | YangLeavesHolder leavesHolder = (YangLeavesHolder) ancestorWithTheReferredNode; |
| 785 | if (leavesHolder.getListOfLeaf() != null) { |
| 786 | Iterator<YangLeaf> yangLeavesList = leavesHolder.getListOfLeaf().listIterator(); |
| 787 | while (yangLeavesList.hasNext()) { |
| 788 | YangLeaf yangleaf = yangLeavesList.next(); |
| 789 | if (yangleaf.getName().contentEquals(nodeName)) { |
| 790 | if (statusOrPathPredicate instanceof ResolvableStatus) { |
| 791 | ResolvableStatus status = (ResolvableStatus) statusOrPathPredicate; |
| 792 | |
| 793 | // Sets the referred leaf to YANG leafref. |
| 794 | ((YangLeafRef) getCurrentEntityToResolveFromStack()).setReferredLeafOrLeafList(yangleaf); |
| 795 | |
| 796 | // Adds reference link of entity to the node under resolution. |
| 797 | addReferredEntityLink(ancestorWithTheReferredNode, status); |
| 798 | addUnResolvedLeafRefTypeToStack((T) yangleaf, ancestorWithTheReferredNode); |
| 799 | return true; |
| 800 | } else if (statusOrPathPredicate instanceof YangPathPredicate) { |
| 801 | YangPathPredicate pathPredicate = (YangPathPredicate) statusOrPathPredicate; |
| 802 | |
| 803 | // Sets the right axis node. |
| 804 | pathPredicate.setRightAxisNode(yangleaf); |
| 805 | return true; |
| 806 | } else { |
| 807 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 808 | } |
| 809 | } |
| 810 | } |
| 811 | } |
| 812 | if (leavesHolder.getListOfLeafList() != null) { |
| 813 | Iterator<YangLeafList> yangLeafListList = leavesHolder.getListOfLeafList().listIterator(); |
| 814 | while (yangLeafListList.hasNext()) { |
| 815 | YangLeafList yangLeaflist = yangLeafListList.next(); |
| 816 | if (yangLeaflist.getName().contentEquals(nodeName)) { |
| 817 | if (statusOrPathPredicate instanceof ResolvableStatus) { |
| 818 | ResolvableStatus status = (ResolvableStatus) statusOrPathPredicate; |
| 819 | |
| 820 | // Sets the referred leaf-list to YANG leafref. |
| 821 | ((YangLeafRef) getCurrentEntityToResolveFromStack()).setReferredLeafOrLeafList(yangLeaflist); |
| 822 | |
| 823 | // Adds reference link of entity to the node under resolution. |
| 824 | addReferredEntityLink(ancestorWithTheReferredNode, status); |
| 825 | addUnResolvedLeafRefTypeToStack((T) yangLeaflist, ancestorWithTheReferredNode); |
| 826 | return true; |
| 827 | } else if (statusOrPathPredicate instanceof YangPathPredicate) { |
| 828 | YangPathPredicate pathPredicate = (YangPathPredicate) statusOrPathPredicate; |
| 829 | pathPredicate.setRightAxisNode(yangLeaflist); |
| 830 | return true; |
| 831 | } else { |
| 832 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 833 | } |
| 834 | } |
| 835 | } |
| 836 | } |
| 837 | return false; |
| 838 | } |
| 839 | |
| 840 | /** |
| 841 | * Adds the unresolved constructs to stack which has to be resolved for leafref. |
| 842 | * |
| 843 | * @param yangleafOrLeafList YANG leaf or leaf list which holds the type |
| 844 | * @param ancestorWithTheReferredNode holder of the YANG leaf or leaf list |
| 845 | */ |
| 846 | private void addUnResolvedLeafRefTypeToStack(T yangleafOrLeafList, YangNode ancestorWithTheReferredNode) { |
| 847 | |
| 848 | YangType referredTypeInLeafOrLeafList; |
| 849 | if (yangleafOrLeafList instanceof YangLeaf) { |
| 850 | YangLeaf leaf = (YangLeaf) yangleafOrLeafList; |
| 851 | referredTypeInLeafOrLeafList = leaf.getDataType(); |
| 852 | if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.LEAFREF) { |
| 853 | YangEntityToResolveInfoImpl<YangLeafRef<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 854 | unResolvedEntityInfo.setEntityToResolve((YangLeafRef<?>) leaf.getDataType().getDataTypeExtendedInfo()); |
| 855 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 856 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 857 | } else if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.DERIVED) { |
| 858 | YangEntityToResolveInfoImpl<YangType<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 859 | unResolvedEntityInfo.setEntityToResolve(referredTypeInLeafOrLeafList); |
| 860 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 861 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 862 | } |
| 863 | } else { |
| 864 | YangLeafList leafList = (YangLeafList) yangleafOrLeafList; |
| 865 | referredTypeInLeafOrLeafList = leafList.getDataType(); |
| 866 | if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.LEAFREF) { |
| 867 | YangEntityToResolveInfoImpl<YangLeafRef<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 868 | unResolvedEntityInfo |
| 869 | .setEntityToResolve((YangLeafRef<?>) leafList.getDataType().getDataTypeExtendedInfo()); |
| 870 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 871 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 872 | } else if (referredTypeInLeafOrLeafList.getDataType() == YangDataTypes.DERIVED) { |
| 873 | YangEntityToResolveInfoImpl<YangType<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 874 | unResolvedEntityInfo.setEntityToResolve(referredTypeInLeafOrLeafList); |
| 875 | unResolvedEntityInfo.setHolderOfEntityToResolve(ancestorWithTheReferredNode); |
| 876 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 877 | } |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | /** |
| 882 | * Returns true if referred leaf/leaf-list is found in a particular node. This is for path in path predicate. |
| 883 | * |
| 884 | * @param listForLeaf list node where referred leaf is found |
| 885 | * @param pathPredicate path predicate instance where the value of nodes to be found are available |
| 886 | * @param leftNode node identifier of the left side parameter in path predicate |
| 887 | * @return status of the leaf/leaf-list found |
| 888 | */ |
| 889 | private boolean getLeftLeafOrLeafListInPredicate(YangList listForLeaf, YangPathPredicate pathPredicate, |
| 890 | YangNodeIdentifier leftNode) { |
| 891 | |
| 892 | if (listForLeaf.getListOfLeaf() != null) { |
| 893 | Iterator<YangLeaf> yangLeavesUnderList = listForLeaf.getListOfLeaf().listIterator(); |
| 894 | while (yangLeavesUnderList.hasNext()) { |
| 895 | YangLeaf yangleafUnderList = yangLeavesUnderList.next(); |
| 896 | if (yangleafUnderList.getName().contentEquals(leftNode.getName())) { |
| 897 | pathPredicate.setLeftAxisNode(yangleafUnderList); |
| 898 | return true; |
| 899 | } |
| 900 | } |
| 901 | } |
| 902 | if (listForLeaf.getListOfLeafList() != null) { |
| 903 | Iterator<YangLeafList> yangLeavesListUnderList = listForLeaf.getListOfLeafList().listIterator(); |
| 904 | while (yangLeavesListUnderList.hasNext()) { |
| 905 | YangLeafList yangleafListUnderList = yangLeavesListUnderList.next(); |
| 906 | if (yangleafListUnderList.getName().contentEquals(leftNode.getName())) { |
| 907 | pathPredicate.setLeftAxisNode(yangleafListUnderList); |
| 908 | return true; |
| 909 | } |
| 910 | } |
| 911 | } |
| 912 | return false; |
| 913 | } |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 914 | |
| 915 | /** |
| 916 | * Returns feature holder(module/sub-module node) . |
| 917 | * |
| 918 | * @param potentialAncestorWithReferredNode if-feature holder node |
| 919 | */ |
| 920 | private YangFeatureHolder getFeatureHolder(YangNode potentialAncestorWithReferredNode) { |
| 921 | while (potentialAncestorWithReferredNode != null) { |
| 922 | if (potentialAncestorWithReferredNode instanceof YangFeatureHolder) { |
| 923 | return (YangFeatureHolder) potentialAncestorWithReferredNode; |
| 924 | } |
| 925 | potentialAncestorWithReferredNode = potentialAncestorWithReferredNode.getParent(); |
| 926 | } |
| 927 | return null; |
| 928 | } |
| 929 | |
| 930 | /** |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 931 | * Checks if the reference in self file or in external file. |
| 932 | * |
| 933 | * @return true if self file reference, false otherwise |
| 934 | * @throws DataModelException a violation of data model rules |
| 935 | */ |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 936 | private boolean isCandidateForSelfFileReference() |
| 937 | throws DataModelException { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 938 | String prefix = getRefPrefix(); |
| 939 | return prefix == null || prefix.contentEquals(getCurReferenceResolver().getPrefix()); |
| 940 | } |
| 941 | |
| 942 | /** |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 943 | * Checks for the referred parent node for the leafref path. |
| 944 | * |
| 945 | * @param potentialReferredNode potential referred node |
| 946 | * @return the reffered parent node of leaf/leaf-list |
| 947 | * @throws DataModelException data model errors |
| 948 | */ |
| 949 | private YangNode isReferredNodeInSiblingProcessedForLeafref(YangNode potentialReferredNode, String referredNodeName) |
| 950 | throws DataModelException { |
| 951 | |
| 952 | while (potentialReferredNode != null) { |
| 953 | if (potentialReferredNode instanceof YangInput) { |
| 954 | if (referredNodeName.equalsIgnoreCase(INPUT)) { |
| 955 | return potentialReferredNode; |
| 956 | } |
| 957 | } else if (potentialReferredNode instanceof YangOutput) { |
| 958 | if (referredNodeName.equalsIgnoreCase(OUTPUT)) { |
| 959 | return potentialReferredNode; |
| 960 | } |
| 961 | } |
| 962 | // Check if the potential referred node is the actual referred node |
| 963 | if (isReferredNodeForLeafref(potentialReferredNode, referredNodeName)) { |
| 964 | if (potentialReferredNode instanceof YangGrouping || potentialReferredNode instanceof YangTypeDef) { |
| 965 | if (potentialReferredNode.getParent() instanceof YangRpc) { |
| 966 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 967 | } else { |
| 968 | throw new DataModelException("YANG file error: The target node of leafref is invalid."); |
| 969 | } |
| 970 | } |
| 971 | return potentialReferredNode; |
| 972 | } |
| 973 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 974 | } |
| 975 | return null; |
| 976 | } |
| 977 | |
| 978 | /** |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 979 | * Checks for the referred parent node for the base/identity. |
| 980 | * |
| 981 | * @param potentialReferredNode potential referred node |
| 982 | * @return the reffered parent node of base/identity. |
| 983 | * @throws DataModelException data model errors |
| 984 | */ |
| 985 | private YangNode isReferredNodeInSiblingProcessedForIdentity(YangNode potentialReferredNode, |
| 986 | String referredNodeName) throws DataModelException { |
| 987 | |
| 988 | while (potentialReferredNode != null) { |
| 989 | if (potentialReferredNode instanceof YangIdentity) { |
| 990 | // Check if the potential referred node is the actual referred node |
| 991 | if (isReferredNodeForIdentity(potentialReferredNode, referredNodeName)) { |
| 992 | return potentialReferredNode; |
| 993 | } |
| 994 | } |
| 995 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 996 | } |
| 997 | return null; |
| 998 | } |
| 999 | |
| 1000 | /** |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1001 | * Checks if the current reference node name and the name in the path are equal. |
| 1002 | * |
| 1003 | * @param currentReferredNode the node where the reference is pointed |
| 1004 | * @param nameOfNodeinPath name of the node in the path |
| 1005 | * @return status of the match between the name |
| 1006 | * @throws DataModelException a violation of data model rules |
| 1007 | */ |
| 1008 | private boolean isReferredNodeForLeafref(YangNode currentReferredNode, String nameOfNodeinPath) |
| 1009 | throws DataModelException { |
| 1010 | |
| 1011 | if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1012 | /* |
| 1013 | * Check if name of node name matches with the current reference |
| 1014 | * node. |
| 1015 | */ |
| 1016 | return currentReferredNode.getName().contentEquals(nameOfNodeinPath); |
| 1017 | } else { |
| 1018 | throw new DataModelException("Data Model Exception: Entity to resolved is other than leafref"); |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | /** |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1023 | * Checks if the current reference node name and the name in the base/identityref base are equal. |
| 1024 | * |
| 1025 | * @param currentReferredNode the node where the reference is pointed |
| 1026 | * @param nameOfIdentityRefBase name of the base in the base/identityref base |
| 1027 | * @return status of the match between the name |
| 1028 | * @throws DataModelException a violation of data model rules |
| 1029 | */ |
| 1030 | private boolean isReferredNodeForIdentity(YangNode currentReferredNode, String nameOfIdentityRefBase) |
| 1031 | throws DataModelException { |
| 1032 | |
| 1033 | if ((getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) || |
| 1034 | (getCurrentEntityToResolveFromStack() instanceof YangBase)) { |
| 1035 | /* |
| 1036 | * Check if name of node name matches with the current reference node. |
| 1037 | */ |
| 1038 | return currentReferredNode.getName().contentEquals(nameOfIdentityRefBase); |
| 1039 | } else { |
| 1040 | throw new DataModelException("Data Model Exception: Entity to resolved is other than identityref"); |
| 1041 | } |
| 1042 | } |
| 1043 | |
| 1044 | /** |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1045 | * Checks for the referred node defined in a ancestor scope. |
| 1046 | * |
| 1047 | * @param potentialReferredNode potential referred node |
| 1048 | * @return status of resolution and updating the partial resolved stack with |
| 1049 | * the any recursive references |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1050 | * @throws DataModelException a violation of data model rules |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1051 | */ |
| 1052 | private boolean isReferredNodeInSiblingListProcessed(YangNode potentialReferredNode) |
| 1053 | throws DataModelException { |
| 1054 | while (potentialReferredNode != null) { |
| 1055 | |
| 1056 | // Check if the potential referred node is the actual referred node |
| 1057 | if (isReferredNode(potentialReferredNode)) { |
| 1058 | |
| 1059 | // Adds reference link of entity to the node under resolution. |
| 1060 | addReferredEntityLink(potentialReferredNode, LINKED); |
| 1061 | |
| 1062 | /** |
| 1063 | * resolve the reference and update the partial resolution stack |
| 1064 | * with any further recursive references |
| 1065 | */ |
| 1066 | addUnresolvedRecursiveReferenceToStack(potentialReferredNode); |
| 1067 | |
| 1068 | /* |
| 1069 | * return true, since the reference is linked and any recursive |
| 1070 | * unresolved references is added to the stack |
| 1071 | */ |
| 1072 | return true; |
| 1073 | } |
| 1074 | |
| 1075 | potentialReferredNode = potentialReferredNode.getNextSibling(); |
| 1076 | } |
| 1077 | return false; |
| 1078 | } |
| 1079 | |
| 1080 | /** |
| 1081 | * Checks if the potential referred node is the actual referred node. |
| 1082 | * |
| 1083 | * @param potentialReferredNode typedef/grouping node |
| 1084 | * @return true if node is of resolve type otherwise false |
| 1085 | * @throws DataModelException a violation of data model rules |
| 1086 | */ |
| 1087 | private boolean isReferredNode(YangNode potentialReferredNode) |
| 1088 | throws DataModelException { |
| 1089 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1090 | if (potentialReferredNode instanceof YangTypeDef) { |
| 1091 | /* |
| 1092 | * Check if name of node name matches with the entity being |
| 1093 | * resolved |
| 1094 | */ |
| 1095 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1096 | } |
| 1097 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1098 | if (potentialReferredNode instanceof YangGrouping) { |
| 1099 | /* |
| 1100 | * Check if name of node name matches with the entity being |
| 1101 | * resolved |
| 1102 | */ |
| 1103 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1104 | } |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1105 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1106 | if (potentialReferredNode instanceof YangFeatureHolder) { |
| 1107 | /* |
| 1108 | * Check if name of node name matches with the entity being |
| 1109 | * resolved |
| 1110 | */ |
| 1111 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1112 | } |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1113 | } else if ((getCurrentEntityToResolveFromStack() instanceof YangBase) || |
| 1114 | (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef)) { |
| 1115 | if (potentialReferredNode instanceof YangIdentity) { |
| 1116 | /* |
| 1117 | * Check if name of node name matches with the entity being |
| 1118 | * resolved |
| 1119 | */ |
| 1120 | return isNodeNameSameAsResolutionInfoName(potentialReferredNode); |
| 1121 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1122 | } else { |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1123 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/" + |
| 1124 | "uses/base/identityref"); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1125 | } |
| 1126 | return false; |
| 1127 | } |
| 1128 | |
| 1129 | /** |
| 1130 | * Checks if node name is same as name in resolution info, i.e. name of |
| 1131 | * typedef/grouping is same as name of type/uses. |
| 1132 | * |
| 1133 | * @param node typedef/grouping node |
| 1134 | * @return true if node name is same as name in resolution info, otherwise |
| 1135 | * false |
| 1136 | * @throws DataModelException a violation of data model rules |
| 1137 | */ |
| 1138 | |
| 1139 | private boolean isNodeNameSameAsResolutionInfoName(YangNode node) |
| 1140 | throws DataModelException { |
| 1141 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1142 | if (node.getName().contentEquals( |
| 1143 | ((YangType<?>) getCurrentEntityToResolveFromStack()) |
| 1144 | .getDataTypeName())) { |
| 1145 | return true; |
| 1146 | } |
| 1147 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1148 | if (node.getName().contentEquals( |
| 1149 | ((YangUses) getCurrentEntityToResolveFromStack()).getName())) { |
| 1150 | return true; |
| 1151 | } |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1152 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1153 | return isFeatureDefinedInNode(node); |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1154 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1155 | if (node.getName().contentEquals( |
| 1156 | ((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getName())) { |
| 1157 | return true; |
| 1158 | } |
| 1159 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1160 | if (node.getName().contentEquals( |
| 1161 | ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getName())) { |
| 1162 | return true; |
| 1163 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1164 | } else { |
| 1165 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses"); |
| 1166 | } |
| 1167 | return false; |
| 1168 | } |
| 1169 | |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1170 | private boolean isFeatureDefinedInNode(YangNode node) throws DataModelException { |
| 1171 | YangNodeIdentifier ifFeature = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getName(); |
| 1172 | List<YangFeature> featureList = ((YangFeatureHolder) node).getFeatureList(); |
| 1173 | if (featureList != null && !featureList.isEmpty()) { |
| 1174 | Iterator<YangFeature> iterator = featureList.iterator(); |
| 1175 | while (iterator.hasNext()) { |
| 1176 | YangFeature feature = iterator.next(); |
| 1177 | if (ifFeature.getName().equals(feature.getName())) { |
| 1178 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setReferredFeature(feature); |
| 1179 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setReferredFeatureHolder(node); |
| 1180 | return true; |
| 1181 | } |
| 1182 | } |
| 1183 | } |
| 1184 | return false; |
| 1185 | } |
| 1186 | |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1187 | /** |
| 1188 | * Adds reference of grouping/typedef in uses/type. |
| 1189 | * |
| 1190 | * @param referredNode grouping/typedef node being referred |
| 1191 | * @param linkedStatus linked status if success. |
| 1192 | * @throws DataModelException a violation of data model rules |
| 1193 | */ |
| 1194 | private void addReferredEntityLink(YangNode referredNode, ResolvableStatus linkedStatus) |
| 1195 | throws DataModelException { |
| 1196 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1197 | YangDerivedInfo<?> derivedInfo = (YangDerivedInfo<?>) ((YangType<?>) getCurrentEntityToResolveFromStack()) |
| 1198 | .getDataTypeExtendedInfo(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1199 | derivedInfo.setReferredTypeDef((YangTypeDef) referredNode); |
| 1200 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1201 | ((YangUses) getCurrentEntityToResolveFromStack()) |
| 1202 | .setRefGroup((YangGrouping) referredNode); |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1203 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1204 | // do nothing , referred node is already set |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1205 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1206 | // do nothing , referred node is already set |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1207 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1208 | ((YangBase) getCurrentEntityToResolveFromStack()).setReferredIdentity((YangIdentity) referredNode); |
| 1209 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1210 | ((YangIdentityRef) getCurrentEntityToResolveFromStack()).setReferredIdentity((YangIdentity) referredNode); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1211 | } else { |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1212 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type" + |
| 1213 | "/uses/base/identityref"); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1214 | } |
| 1215 | |
| 1216 | // Sets the resolution status in inside the type/uses. |
| 1217 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(linkedStatus); |
| 1218 | } |
| 1219 | |
| 1220 | /** |
| 1221 | * Checks if type/grouping has further reference to typedef/ unresolved |
| 1222 | * uses. Add it to the partial resolve stack and return the status of |
| 1223 | * addition to stack. |
| 1224 | * |
| 1225 | * @param referredNode grouping/typedef node |
| 1226 | * @throws DataModelException a violation of data model rules |
| 1227 | */ |
| 1228 | private void addUnresolvedRecursiveReferenceToStack(YangNode referredNode) |
| 1229 | throws DataModelException { |
| 1230 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1231 | /* |
| 1232 | * Checks if typedef type is derived |
| 1233 | */ |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1234 | if (((YangTypeDef) referredNode).getTypeDefBaseType().getDataType() == YangDataTypes.DERIVED) { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1235 | |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1236 | YangEntityToResolveInfoImpl<YangType<?>> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1237 | unResolvedEntityInfo.setEntityToResolve(((YangTypeDef) referredNode) |
| 1238 | .getTypeDefBaseType()); |
| 1239 | unResolvedEntityInfo.setHolderOfEntityToResolve(referredNode); |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1240 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1241 | } |
| 1242 | |
| 1243 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1244 | /* |
| 1245 | * Search if the grouping has any un resolved uses child, if so |
| 1246 | * return true, else return false. |
| 1247 | */ |
| 1248 | addUnResolvedUsesToStack(referredNode); |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1249 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1250 | addUnResolvedIfFeatureToStack(referredNode); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1251 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1252 | // do nothing , referred node is already set |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1253 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses"); |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1254 | } else if ((getCurrentEntityToResolveFromStack() instanceof YangBase) || |
| 1255 | (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef)) { |
| 1256 | /* |
| 1257 | * Search if the identity has any un resolved base, if so return true, else return false. |
| 1258 | */ |
| 1259 | addUnResolvedBaseToStack(referredNode); |
| 1260 | } else { |
| 1261 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses/" + |
| 1262 | "base/identityref"); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1263 | } |
| 1264 | } |
| 1265 | |
| 1266 | /** |
| 1267 | * Returns if there is any unresolved uses in grouping. |
| 1268 | * |
| 1269 | * @param node grouping/typedef node |
| 1270 | */ |
| 1271 | private void addUnResolvedUsesToStack(YangNode node) { |
| 1272 | |
| 1273 | /** |
| 1274 | * Search the grouping node's children for presence of uses node. |
| 1275 | */ |
| 1276 | YangNode curNode = node.getChild(); |
| 1277 | while (curNode != null) { |
| 1278 | if (curNode instanceof YangUses) { |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1279 | YangEntityToResolveInfoImpl<YangUses> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1280 | unResolvedEntityInfo.setEntityToResolve((YangUses) curNode); |
| 1281 | unResolvedEntityInfo.setHolderOfEntityToResolve(node); |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1282 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1283 | |
| 1284 | } |
| 1285 | curNode = curNode.getNextSibling(); |
| 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | /** |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1290 | * Returns if there is any unresolved if-feature in feature. |
| 1291 | * |
| 1292 | * @param node module/submodule node |
| 1293 | */ |
| 1294 | private void addUnResolvedIfFeatureToStack(YangNode node) { |
| 1295 | YangFeature refFeature = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getReferredFeature(); |
| 1296 | List<YangIfFeature> ifFeatureList = refFeature.getIfFeatureList(); |
| 1297 | if (ifFeatureList != null && !ifFeatureList.isEmpty()) { |
| 1298 | Iterator<YangIfFeature> ifFeatureIterator = ifFeatureList.iterator(); |
| 1299 | while (ifFeatureIterator.hasNext()) { |
| 1300 | YangIfFeature ifFeature = ifFeatureIterator.next(); |
| 1301 | YangEntityToResolveInfo<YangIfFeature> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 1302 | unResolvedEntityInfo.setEntityToResolve(ifFeature); |
| 1303 | unResolvedEntityInfo.setHolderOfEntityToResolve(node); |
| 1304 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 1305 | } |
| 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | /** |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1310 | * Returns if there is any unresolved base in identity. |
| 1311 | * |
| 1312 | * @param node module/submodule node |
| 1313 | */ |
| 1314 | private void addUnResolvedBaseToStack(YangNode node) { |
| 1315 | |
| 1316 | YangIdentity curNode = (YangIdentity) node; |
| 1317 | if (curNode.getBaseNode() != null) { |
| 1318 | if (curNode.getBaseNode().getResolvableStatus() != RESOLVED) { |
| 1319 | YangEntityToResolveInfoImpl<YangBase> unResolvedEntityInfo = new YangEntityToResolveInfoImpl<>(); |
| 1320 | unResolvedEntityInfo.setEntityToResolve(curNode.getBaseNode()); |
| 1321 | unResolvedEntityInfo.setHolderOfEntityToResolve(node); |
| 1322 | addInPartialResolvedStack((YangEntityToResolveInfoImpl<T>) unResolvedEntityInfo); |
| 1323 | |
| 1324 | } |
| 1325 | } |
| 1326 | } |
| 1327 | |
| 1328 | |
| 1329 | /** |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1330 | * Returns stack of YANG type with partially resolved YANG construct |
| 1331 | * hierarchy. |
| 1332 | * |
| 1333 | * @return partial resolved YANG construct stack |
| 1334 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1335 | private Stack<YangEntityToResolveInfoImpl<T>> getPartialResolvedStack() { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1336 | return partialResolvedStack; |
| 1337 | } |
| 1338 | |
| 1339 | /** |
| 1340 | * Sets stack of YANG type with partially resolved YANG construct hierarchy. |
| 1341 | * |
| 1342 | * @param partialResolvedStack partial resolved YANG construct stack |
| 1343 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1344 | private void setPartialResolvedStack(Stack<YangEntityToResolveInfoImpl<T>> partialResolvedStack) { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1345 | this.partialResolvedStack = partialResolvedStack; |
| 1346 | } |
| 1347 | |
| 1348 | /** |
| 1349 | * Sets stack of YANG type with partially resolved YANG construct hierarchy. |
| 1350 | * |
| 1351 | * @param partialResolvedInfo partial resolved YANG construct stack |
| 1352 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1353 | private void addInPartialResolvedStack(YangEntityToResolveInfoImpl<T> partialResolvedInfo) { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1354 | getPartialResolvedStack().push(partialResolvedInfo); |
| 1355 | } |
| 1356 | |
| 1357 | /** |
| 1358 | * Retrieves the next entity in the stack that needs to be resolved. It is |
| 1359 | * assumed that the caller ensures that the stack is not empty. |
| 1360 | * |
| 1361 | * @return next entity in the stack that needs to be resolved |
| 1362 | */ |
| 1363 | private T getCurrentEntityToResolveFromStack() { |
| 1364 | return getPartialResolvedStack().peek().getEntityToResolve(); |
| 1365 | } |
| 1366 | |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1367 | @Override |
| 1368 | public YangEntityToResolveInfoImpl<T> getEntityToResolveInfo() { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1369 | return entityToResolveInfo; |
| 1370 | } |
| 1371 | |
| 1372 | /** |
| 1373 | * Sets information about the entity that needs to be resolved. |
| 1374 | * |
| 1375 | * @param entityToResolveInfo information about the entity that needs to be |
| 1376 | * resolved |
| 1377 | */ |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1378 | private void setEntityToResolveInfo(YangEntityToResolveInfoImpl<T> entityToResolveInfo) { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1379 | this.entityToResolveInfo = entityToResolveInfo; |
| 1380 | } |
| 1381 | |
| 1382 | @Override |
| 1383 | public int getLineNumber() { |
| 1384 | return lineNumber; |
| 1385 | } |
| 1386 | |
| 1387 | @Override |
| 1388 | public int getCharPosition() { |
| 1389 | return charPosition; |
| 1390 | } |
| 1391 | |
| 1392 | @Override |
| 1393 | public void setLineNumber(int lineNumber) { |
| 1394 | this.lineNumber = lineNumber; |
| 1395 | } |
| 1396 | |
| 1397 | @Override |
| 1398 | public void setCharPosition(int charPositionInLine) { |
| 1399 | this.charPosition = charPositionInLine; |
| 1400 | } |
| 1401 | |
| 1402 | /** |
| 1403 | * Returns current module/sub-module reference, will be used in inter-file/ |
| 1404 | * inter-jar scenario to get the import/include list. |
| 1405 | * |
| 1406 | * @return current module/sub-module reference |
| 1407 | */ |
| 1408 | private YangReferenceResolver getCurReferenceResolver() { |
| 1409 | return curReferenceResolver; |
| 1410 | } |
| 1411 | |
| 1412 | /** |
| 1413 | * Sets current module/sub-module reference, will be used in inter-file/ |
| 1414 | * inter-jar scenario to get the import/include list. |
| 1415 | * |
| 1416 | * @param curReferenceResolver current module/sub-module reference |
| 1417 | */ |
| 1418 | private void setCurReferenceResolver(YangReferenceResolver curReferenceResolver) { |
| 1419 | this.curReferenceResolver = curReferenceResolver; |
| 1420 | } |
| 1421 | |
Gaurav Agrawal | 95b416c | 2016-06-07 14:00:26 +0530 | [diff] [blame] | 1422 | @Override |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1423 | public void linkInterFile(YangReferenceResolver dataModelRootNode) |
| 1424 | throws DataModelException { |
| 1425 | |
| 1426 | setCurReferenceResolver(dataModelRootNode); |
| 1427 | |
| 1428 | // Current node to resolve, it can be a YANG type or YANG uses. |
| 1429 | T entityToResolve = getEntityToResolveInfo().getEntityToResolve(); |
| 1430 | |
| 1431 | // Check if linking is already done |
| 1432 | if (entityToResolve instanceof Resolvable) { |
| 1433 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 1434 | if (resolvable.getResolvableStatus() == RESOLVED) { |
| 1435 | return; |
| 1436 | } |
| 1437 | } else { |
| 1438 | throw new DataModelException("Data Model Exception: Entity to resolved is not Resolvable"); |
| 1439 | } |
| 1440 | |
| 1441 | // Push the initial entity to resolve in stack. |
| 1442 | addInPartialResolvedStack(getEntityToResolveInfo()); |
| 1443 | |
| 1444 | // Inter file linking and resolution. |
| 1445 | linkInterFileAndResolve(); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1446 | |
| 1447 | // Resolve the derived types having leafref. |
| 1448 | addDerivedRefTypeToRefTypeResolutionList(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1449 | } |
| 1450 | |
| 1451 | /** |
| 1452 | * Returns the referenced prefix of entity under resolution. |
| 1453 | * |
| 1454 | * @return referenced prefix of entity under resolution |
| 1455 | * @throws DataModelException a violation in data model rule |
| 1456 | */ |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1457 | private String getRefPrefix() |
| 1458 | throws DataModelException { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1459 | String refPrefix; |
| 1460 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1461 | refPrefix = ((YangType<?>) getCurrentEntityToResolveFromStack()).getPrefix(); |
| 1462 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1463 | refPrefix = ((YangUses) getCurrentEntityToResolveFromStack()).getPrefix(); |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1464 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1465 | refPrefix = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getPrefix(); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1466 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1467 | refPrefix = refPrefixForLeafRef(); |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1468 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1469 | refPrefix = ((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getPrefix(); |
| 1470 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1471 | refPrefix = ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getPrefix(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1472 | } else { |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1473 | throw new DataModelException("Data Model Exception: Entity to resolved is other than " + |
| 1474 | "type/uses/base/identityref"); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1475 | } |
| 1476 | return refPrefix; |
| 1477 | } |
| 1478 | |
| 1479 | /** |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1480 | * Returns the referenced prefix for leafref under resolution. |
| 1481 | * |
| 1482 | * @return referenced prefix of leafref under resolution |
| 1483 | */ |
| 1484 | private String refPrefixForLeafRef() { |
| 1485 | |
| 1486 | String refPrefix; |
| 1487 | if (((YangLeafRef) getCurrentEntityToResolveFromStack()).getPathType() == YangPathArgType.ABSOLUTE_PATH) { |
| 1488 | List<YangAtomicPath> theList = ((YangLeafRef) getCurrentEntityToResolveFromStack()).getAtomicPath(); |
| 1489 | YangAtomicPath absPath = theList.iterator().next(); |
| 1490 | refPrefix = absPath.getNodeIdentifier().getPrefix(); |
| 1491 | } else { |
| 1492 | YangRelativePath relativePath = ((YangLeafRef) getCurrentEntityToResolveFromStack()).getRelativePath(); |
| 1493 | List<YangAtomicPath> theList = relativePath.getAtomicPathList(); |
| 1494 | YangAtomicPath absPath = theList.iterator().next(); |
| 1495 | refPrefix = absPath.getNodeIdentifier().getPrefix(); |
| 1496 | } |
| 1497 | return refPrefix; |
| 1498 | } |
| 1499 | |
| 1500 | /** |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1501 | * Performs inter file linking and resolution. |
| 1502 | * |
| 1503 | * @throws DataModelException a violation in data model rule |
| 1504 | */ |
| 1505 | private void linkInterFileAndResolve() |
| 1506 | throws DataModelException { |
| 1507 | |
| 1508 | while (getPartialResolvedStack().size() != 0) { |
| 1509 | |
| 1510 | // Current node to resolve, it can be a YANG type or YANG uses. |
| 1511 | T entityToResolve = getCurrentEntityToResolveFromStack(); |
| 1512 | // Check if linking is already done |
| 1513 | if (entityToResolve instanceof Resolvable) { |
| 1514 | |
| 1515 | Resolvable resolvable = (Resolvable) entityToResolve; |
| 1516 | switch (resolvable.getResolvableStatus()) { |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1517 | case RESOLVED: { |
| 1518 | /* |
| 1519 | * If the entity is already resolved in the stack, then pop |
| 1520 | * it and continue with the remaining stack elements to |
| 1521 | * resolve |
| 1522 | */ |
| 1523 | getPartialResolvedStack().pop(); |
| 1524 | break; |
| 1525 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1526 | |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1527 | case INTER_FILE_LINKED: { |
| 1528 | /* |
| 1529 | * If the top of the stack is already linked then resolve |
| 1530 | * the references and pop the entity and continue with |
| 1531 | * remaining stack elements to resolve |
| 1532 | */ |
| 1533 | resolveTopOfStack(INTER_FILE); |
| 1534 | getPartialResolvedStack().pop(); |
| 1535 | break; |
| 1536 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1537 | |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1538 | case INTRA_FILE_RESOLVED: { |
| 1539 | /* |
| 1540 | * If the top of the stack is intra file resolved then check |
| 1541 | * if top of stack is linked, if not link it using |
| 1542 | * import/include list and push the linked referred entity |
| 1543 | * to the stack, otherwise only push it to the stack. |
| 1544 | */ |
| 1545 | linkInterFileTopOfStackRefUpdateStack(); |
| 1546 | break; |
| 1547 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1548 | |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1549 | case UNDEFINED: { |
| 1550 | /* |
| 1551 | * In case of if-feature resolution, if referred "feature" is not |
| 1552 | * defined then the resolvable status will be undefined. |
| 1553 | */ |
| 1554 | getPartialResolvedStack().pop(); |
| 1555 | break; |
| 1556 | } |
| 1557 | |
| 1558 | default: { |
| 1559 | throw new DataModelException("Data Model Exception: Unsupported, linker state"); |
| 1560 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1561 | |
| 1562 | } |
| 1563 | |
| 1564 | } else { |
| 1565 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type/uses"); |
| 1566 | } |
| 1567 | |
| 1568 | } |
| 1569 | |
| 1570 | } |
| 1571 | |
| 1572 | /** |
| 1573 | * Links the top of the stack if it's inter-file and update stack. |
| 1574 | * |
| 1575 | * @throws DataModelException data model error |
| 1576 | */ |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1577 | private void linkInterFileTopOfStackRefUpdateStack() |
| 1578 | throws DataModelException { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1579 | |
| 1580 | /* |
| 1581 | * Obtain the referred node of top of stack entity under resolution |
| 1582 | */ |
| 1583 | T referredNode = getRefNode(); |
| 1584 | |
| 1585 | /* |
| 1586 | * Check for null for scenario when it's not linked and inter-file |
| 1587 | * linking is required. |
| 1588 | */ |
| 1589 | if (referredNode == null) { |
| 1590 | |
| 1591 | /* |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1592 | * Check if prefix is null or not, to identify whether to search in |
| 1593 | * import list or include list. |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1594 | */ |
Bharat saraswal | cad0e65 | 2016-05-26 23:48:38 +0530 | [diff] [blame] | 1595 | if (getRefPrefix() != null && !getRefPrefix().contentEquals(getCurReferenceResolver().getPrefix())) { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1596 | if (resolveWithImport()) { |
| 1597 | return; |
| 1598 | } |
| 1599 | } else { |
| 1600 | if (resolveWithInclude()) { |
| 1601 | return; |
| 1602 | } |
| 1603 | } |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1604 | |
| 1605 | if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1606 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setResolvableStatus(UNDEFINED); |
| 1607 | return; |
| 1608 | } |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1609 | // If current entity is still not resolved, then |
| 1610 | // linking/resolution has failed. |
| 1611 | String errorInfo; |
| 1612 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1613 | errorInfo = TYPEDEF_LINKER_ERROR; |
| 1614 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1615 | errorInfo = GROUPING_LINKER_ERROR; |
| 1616 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1617 | errorInfo = FEATURE_LINKER_ERROR; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1618 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1619 | errorInfo = BASE_LINKER_ERROR; |
| 1620 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1621 | errorInfo = IDENTITYREF_LINKER_ERROR; |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1622 | } else { |
| 1623 | errorInfo = LEAFREF_LINKER_ERROR; |
| 1624 | } |
| 1625 | DataModelException dataModelException = new DataModelException(errorInfo); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1626 | dataModelException.setLine(getLineNumber()); |
| 1627 | dataModelException.setCharPosition(getCharPosition()); |
| 1628 | throw dataModelException; |
| 1629 | } else { |
| 1630 | /* |
| 1631 | * If referred node is already linked, then just change the status |
| 1632 | * and push to the stack. |
| 1633 | */ |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1634 | if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1635 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTER_FILE_LINKED); |
| 1636 | if (referredNode instanceof YangLeaf) { |
| 1637 | YangLeaf yangleaf = (YangLeaf) referredNode; |
| 1638 | addUnResolvedLeafRefTypeToStack((T) yangleaf, (YangNode) yangleaf.getContainedIn()); |
| 1639 | } else if (referredNode instanceof YangLeafList) { |
| 1640 | YangLeafList yangLeafList = (YangLeafList) referredNode; |
| 1641 | addUnResolvedLeafRefTypeToStack((T) yangLeafList, (YangNode) yangLeafList.getContainedIn()); |
| 1642 | } |
| 1643 | } else { |
| 1644 | ((Resolvable) getCurrentEntityToResolveFromStack()).setResolvableStatus(INTER_FILE_LINKED); |
| 1645 | addUnresolvedRecursiveReferenceToStack((YangNode) referredNode); |
| 1646 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1647 | } |
| 1648 | } |
| 1649 | |
| 1650 | /** |
| 1651 | * Finds and resolves with include list. |
| 1652 | * |
| 1653 | * @return true if resolved, false otherwise |
| 1654 | * @throws DataModelException a violation in data model rule |
| 1655 | */ |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1656 | private boolean resolveWithInclude() |
| 1657 | throws DataModelException { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1658 | /* |
| 1659 | * Run through all the nodes in include list and search for referred |
| 1660 | * typedef/grouping at the root level. |
| 1661 | */ |
| 1662 | for (YangInclude yangInclude : getCurReferenceResolver().getIncludeList()) { |
| 1663 | YangNode linkedNode = null; |
| 1664 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1665 | linkedNode = findRefTypedef(yangInclude.getIncludedNode()); |
| 1666 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1667 | linkedNode = findRefGrouping(yangInclude.getIncludedNode()); |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1668 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1669 | linkedNode = findRefFeature(yangInclude.getIncludedNode()); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1670 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1671 | boolean referredNode = findRefLeaf(yangInclude.getIncludedNode()); |
| 1672 | /* |
| 1673 | * Update the current reference resolver to external |
| 1674 | * module/sub-module containing the referred typedef/grouping. |
| 1675 | */ |
| 1676 | setCurReferenceResolver((YangReferenceResolver) yangInclude.getIncludedNode()); |
| 1677 | |
| 1678 | return referredNode; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1679 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1680 | linkedNode = findRefIdentity(yangInclude.getIncludedNode()); |
| 1681 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1682 | linkedNode = findRefIdentityRef(yangInclude.getIncludedNode()); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1683 | } |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1684 | |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1685 | if (linkedNode != null) { |
| 1686 | // Add the link to external entity. |
| 1687 | addReferredEntityLink(linkedNode, INTER_FILE_LINKED); |
| 1688 | /* |
| 1689 | * Update the current reference resolver to external |
| 1690 | * module/sub-module containing the referred typedef/grouping. |
| 1691 | */ |
| 1692 | setCurReferenceResolver((YangReferenceResolver) yangInclude.getIncludedNode()); |
| 1693 | // Add the type/uses of referred typedef/grouping to the stack. |
| 1694 | addUnresolvedRecursiveReferenceToStack(linkedNode); |
| 1695 | return true; |
| 1696 | } |
| 1697 | } |
| 1698 | // If referred node can't be found return false. |
| 1699 | return false; |
| 1700 | } |
| 1701 | |
| 1702 | /** |
| 1703 | * Finds and resolves with import list. |
| 1704 | * |
| 1705 | * @return true if resolved, false otherwise |
| 1706 | * @throws DataModelException a violation in data model rule |
| 1707 | */ |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1708 | private boolean resolveWithImport() |
| 1709 | throws DataModelException { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1710 | /* |
| 1711 | * Run through import list to find the referred typedef/grouping. |
| 1712 | */ |
| 1713 | for (YangImport yangImport : getCurReferenceResolver().getImportList()) { |
| 1714 | /* |
| 1715 | * Match the prefix attached to entity under resolution with the |
| 1716 | * imported/included module/sub-module's prefix. If found, search |
| 1717 | * for the referred typedef/grouping at the root level. |
| 1718 | */ |
| 1719 | if (yangImport.getPrefixId().contentEquals(getRefPrefix())) { |
| 1720 | YangNode linkedNode = null; |
| 1721 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
| 1722 | linkedNode = findRefTypedef(yangImport.getImportedNode()); |
| 1723 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1724 | linkedNode = findRefGrouping(yangImport.getImportedNode()); |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1725 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1726 | linkedNode = findRefFeature(yangImport.getImportedNode()); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1727 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1728 | boolean referredNode = findRefLeaf(yangImport.getImportedNode()); |
| 1729 | /* |
| 1730 | * Update the current reference resolver to external |
| 1731 | * module/sub-module containing the referred |
| 1732 | * typedef/grouping. |
| 1733 | */ |
| 1734 | setCurReferenceResolver((YangReferenceResolver) yangImport.getImportedNode()); |
| 1735 | |
| 1736 | return referredNode; |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1737 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1738 | linkedNode = findRefIdentity(yangImport.getImportedNode()); |
| 1739 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1740 | linkedNode = findRefIdentityRef(yangImport.getImportedNode()); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1741 | } |
| 1742 | if (linkedNode != null) { |
| 1743 | // Add the link to external entity. |
| 1744 | addReferredEntityLink(linkedNode, INTER_FILE_LINKED); |
| 1745 | /* |
| 1746 | * Update the current reference resolver to external |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1747 | * module/sub-module containing the referred |
| 1748 | * typedef/grouping. |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1749 | */ |
| 1750 | setCurReferenceResolver((YangReferenceResolver) yangImport.getImportedNode()); |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1751 | // Add the type/uses of referred typedef/grouping to the |
| 1752 | // stack. |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1753 | addUnresolvedRecursiveReferenceToStack(linkedNode); |
| 1754 | return true; |
| 1755 | } |
| 1756 | /* |
| 1757 | * If referred node can't be found at root level break for loop, |
| 1758 | * and return false. |
| 1759 | */ |
| 1760 | break; |
| 1761 | } |
| 1762 | } |
| 1763 | // If referred node can't be found return false. |
| 1764 | return false; |
| 1765 | } |
| 1766 | |
| 1767 | /** |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1768 | * Returns the status of referred leaf. |
| 1769 | * |
| 1770 | * @param importedNode the root node from a YANG file |
| 1771 | * @return status of the referred leaf |
| 1772 | * @throws DataModelException |
| 1773 | */ |
| 1774 | private boolean findRefLeaf(YangNode importedNode) throws DataModelException { |
| 1775 | |
| 1776 | boolean isReferredNodeFound = false; |
| 1777 | List<YangAtomicPath> absolutePathList = ((YangLeafRef) getCurrentEntityToResolveFromStack()) |
| 1778 | .getAtomicPath(); |
| 1779 | if (absolutePathList != null && !absolutePathList.isEmpty()) { |
| 1780 | Iterator<YangAtomicPath> listOfYangAtomicPath = absolutePathList.listIterator(); |
| 1781 | |
| 1782 | while (listOfYangAtomicPath.hasNext()) { |
| 1783 | YangAtomicPath absolutePath = listOfYangAtomicPath.next(); |
| 1784 | String nodeName = absolutePath.getNodeIdentifier().getName(); |
| 1785 | |
| 1786 | if (importedNode.getChild() == null) { |
| 1787 | isReferredNodeFound = isReferredLeafOrLeafListFound(importedNode, nodeName, (T) INTER_FILE_LINKED); |
| 1788 | break; |
| 1789 | } |
| 1790 | importedNode = importedNode.getChild(); |
| 1791 | |
| 1792 | YangNode nodeFound = isReferredNodeInSiblingProcessedForLeafref(importedNode, nodeName); |
| 1793 | if (nodeFound == null) { |
| 1794 | isReferredNodeFound = isReferredLeafOrLeafListFound(importedNode.getParent(), nodeName, |
| 1795 | (T) INTER_FILE_LINKED); |
| 1796 | } else { |
| 1797 | importedNode = nodeFound; |
| 1798 | } |
| 1799 | } |
| 1800 | } |
| 1801 | // TODO: Path predicates filling for inter file has to be done. |
| 1802 | return isReferredNodeFound; |
| 1803 | } |
| 1804 | |
| 1805 | /** |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1806 | * Returns referred typedef/grouping node. |
| 1807 | * |
| 1808 | * @return referred typedef/grouping node |
| 1809 | * @throws DataModelException a violation in data model rule |
| 1810 | */ |
VinodKumarS-Huawei | 2ee9e7e | 2016-06-01 14:30:22 +0530 | [diff] [blame] | 1811 | private T getRefNode() |
| 1812 | throws DataModelException { |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1813 | if (getCurrentEntityToResolveFromStack() instanceof YangType) { |
Bharat saraswal | 96dfef0 | 2016-06-16 00:29:12 +0530 | [diff] [blame] | 1814 | YangDerivedInfo<?> derivedInfo = (YangDerivedInfo<?>) ((YangType<?>) getCurrentEntityToResolveFromStack()) |
| 1815 | .getDataTypeExtendedInfo(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1816 | return (T) derivedInfo.getReferredTypeDef(); |
| 1817 | } else if (getCurrentEntityToResolveFromStack() instanceof YangUses) { |
| 1818 | return (T) ((YangUses) getCurrentEntityToResolveFromStack()).getRefGroup(); |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1819 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIfFeature) { |
| 1820 | return (T) ((YangIfFeature) getCurrentEntityToResolveFromStack()).getReferredFeatureHolder(); |
janani b | e18b534 | 2016-07-13 21:06:41 +0530 | [diff] [blame] | 1821 | } else if (getCurrentEntityToResolveFromStack() instanceof YangLeafRef) { |
| 1822 | return (T) ((YangLeafRef) getCurrentEntityToResolveFromStack()).getReferredLeafOrLeafList(); |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1823 | } else if (getCurrentEntityToResolveFromStack() instanceof YangBase) { |
| 1824 | return (T) ((YangBase) getCurrentEntityToResolveFromStack()).getReferredIdentity(); |
| 1825 | } else if (getCurrentEntityToResolveFromStack() instanceof YangIdentityRef) { |
| 1826 | return (T) ((YangIdentityRef) getCurrentEntityToResolveFromStack()).getReferredIdentity(); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1827 | } else { |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1828 | throw new DataModelException("Data Model Exception: Entity to resolved is other than type" + |
| 1829 | "/uses/base/identityref"); |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1830 | } |
| 1831 | } |
| 1832 | |
| 1833 | /** |
| 1834 | * Finds the referred grouping node at the root level of imported/included node. |
| 1835 | * |
| 1836 | * @param refNode module/sub-module node |
| 1837 | * @return referred grouping |
| 1838 | */ |
| 1839 | private YangNode findRefGrouping(YangNode refNode) { |
| 1840 | YangNode tmpNode = refNode.getChild(); |
| 1841 | while (tmpNode != null) { |
| 1842 | if (tmpNode instanceof YangGrouping) { |
| 1843 | if (tmpNode.getName() |
| 1844 | .equals(((YangUses) getCurrentEntityToResolveFromStack()).getName())) { |
| 1845 | return tmpNode; |
| 1846 | } |
| 1847 | } |
| 1848 | tmpNode = tmpNode.getNextSibling(); |
| 1849 | } |
| 1850 | return null; |
| 1851 | } |
| 1852 | |
| 1853 | /** |
Vidyashree Rama | deac28b | 2016-06-20 15:12:43 +0530 | [diff] [blame] | 1854 | * Finds the referred feature node at the root level of imported/included node. |
| 1855 | * |
| 1856 | * @param refNode module/sub-module node |
| 1857 | * @return referred feature |
| 1858 | */ |
| 1859 | private YangNode findRefFeature(YangNode refNode) { |
| 1860 | YangNodeIdentifier ifFeature = ((YangIfFeature) getCurrentEntityToResolveFromStack()).getName(); |
| 1861 | List<YangFeature> featureList = ((YangFeatureHolder) refNode).getFeatureList(); |
| 1862 | |
| 1863 | if (featureList != null && !featureList.isEmpty()) { |
| 1864 | Iterator<YangFeature> iterator = featureList.iterator(); |
| 1865 | while (iterator.hasNext()) { |
| 1866 | YangFeature feature = iterator.next(); |
| 1867 | if (ifFeature.getName().equals(feature.getName())) { |
| 1868 | ((YangIfFeature) getCurrentEntityToResolveFromStack()).setReferredFeature(feature); |
| 1869 | return refNode; |
| 1870 | } |
| 1871 | } |
| 1872 | } |
| 1873 | return null; |
| 1874 | } |
| 1875 | |
| 1876 | /** |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1877 | * Finds the referred typedef node at the root level of imported/included node. |
| 1878 | * |
| 1879 | * @param refNode module/sub-module node |
| 1880 | * @return referred typedef |
| 1881 | */ |
| 1882 | private YangNode findRefTypedef(YangNode refNode) { |
| 1883 | YangNode tmpNode = refNode.getChild(); |
| 1884 | while (tmpNode != null) { |
| 1885 | if (tmpNode instanceof YangTypeDef) { |
| 1886 | if (tmpNode.getName() |
| 1887 | .equals(((YangType) getCurrentEntityToResolveFromStack()).getDataTypeName())) { |
| 1888 | return tmpNode; |
| 1889 | } |
| 1890 | } |
| 1891 | tmpNode = tmpNode.getNextSibling(); |
| 1892 | } |
| 1893 | return null; |
| 1894 | } |
Shankara-Huawei | df7b9ca | 2016-07-14 11:35:34 +0530 | [diff] [blame] | 1895 | |
| 1896 | /** |
| 1897 | * Finds the referred identity node at the root level of imported/included node. |
| 1898 | * |
| 1899 | * @param refNode module/sub-module node |
| 1900 | * @return referred identity |
| 1901 | */ |
| 1902 | private YangNode findRefIdentity(YangNode refNode) { |
| 1903 | YangNode tmpNode = refNode.getChild(); |
| 1904 | while (tmpNode != null) { |
| 1905 | if (tmpNode instanceof YangIdentity) { |
| 1906 | if (tmpNode.getName() |
| 1907 | .equals(((YangBase) getCurrentEntityToResolveFromStack()).getBaseIdentifier().getName())) { |
| 1908 | return tmpNode; |
| 1909 | } |
| 1910 | } |
| 1911 | tmpNode = tmpNode.getNextSibling(); |
| 1912 | } |
| 1913 | return null; |
| 1914 | } |
| 1915 | |
| 1916 | /** |
| 1917 | * Finds the referred identity node at the root level of imported/included node. |
| 1918 | * |
| 1919 | * @param refNode module/sub-module node |
| 1920 | * @return referred identity |
| 1921 | */ |
| 1922 | private YangNode findRefIdentityRef(YangNode refNode) { |
| 1923 | YangNode tmpNode = refNode.getChild(); |
| 1924 | while (tmpNode != null) { |
| 1925 | if (tmpNode instanceof YangIdentity) { |
| 1926 | if (tmpNode.getName() |
| 1927 | .equals(((YangIdentityRef) getCurrentEntityToResolveFromStack()) |
| 1928 | .getBaseIdentity().getName())) { |
| 1929 | return tmpNode; |
| 1930 | } |
| 1931 | } |
| 1932 | tmpNode = tmpNode.getNextSibling(); |
| 1933 | } |
| 1934 | return null; |
| 1935 | } |
Gaurav Agrawal | 0d43bb5 | 2016-05-17 18:06:38 +0530 | [diff] [blame] | 1936 | } |