jaegonkim | 6a7b524 | 2018-09-12 23:09:42 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 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 | package org.onosproject.workflow.impl; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.JsonNode; |
| 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 20 | import com.fasterxml.jackson.databind.node.BaseJsonNode; |
| 21 | import com.fasterxml.jackson.databind.node.BigIntegerNode; |
| 22 | import com.fasterxml.jackson.databind.node.BinaryNode; |
| 23 | import com.fasterxml.jackson.databind.node.BooleanNode; |
| 24 | import com.fasterxml.jackson.databind.node.ContainerNode; |
| 25 | import com.fasterxml.jackson.databind.node.DecimalNode; |
| 26 | import com.fasterxml.jackson.databind.node.DoubleNode; |
| 27 | import com.fasterxml.jackson.databind.node.FloatNode; |
| 28 | import com.fasterxml.jackson.databind.node.IntNode; |
| 29 | import com.fasterxml.jackson.databind.node.JsonNodeCreator; |
| 30 | import com.fasterxml.jackson.databind.node.JsonNodeFactory; |
| 31 | import com.fasterxml.jackson.databind.node.JsonNodeType; |
| 32 | import com.fasterxml.jackson.databind.node.LongNode; |
| 33 | import com.fasterxml.jackson.databind.node.MissingNode; |
| 34 | import com.fasterxml.jackson.databind.node.NullNode; |
| 35 | import com.fasterxml.jackson.databind.node.NumericNode; |
| 36 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 37 | import com.fasterxml.jackson.databind.node.POJONode; |
| 38 | import com.fasterxml.jackson.databind.node.ShortNode; |
| 39 | import com.fasterxml.jackson.databind.node.TextNode; |
| 40 | import com.fasterxml.jackson.databind.node.ValueNode; |
| 41 | import com.google.common.collect.ImmutableList; |
| 42 | import com.google.common.collect.Maps; |
| 43 | import org.apache.felix.scr.annotations.Activate; |
| 44 | import org.apache.felix.scr.annotations.Component; |
| 45 | import org.apache.felix.scr.annotations.Deactivate; |
| 46 | import org.apache.felix.scr.annotations.Reference; |
| 47 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 48 | import org.apache.felix.scr.annotations.Service; |
| 49 | import org.onlab.util.KryoNamespace; |
| 50 | import org.onosproject.core.ApplicationId; |
| 51 | import org.onosproject.core.CoreService; |
| 52 | import org.onosproject.workflow.api.DataModelTree; |
| 53 | import org.onosproject.workflow.api.DefaultWorkplace; |
| 54 | import org.onosproject.workflow.api.DefaultWorkflowContext; |
| 55 | import org.onosproject.workflow.api.JsonDataModelTree; |
| 56 | import org.onosproject.workflow.api.SystemWorkflowContext; |
| 57 | import org.onosproject.workflow.api.WorkflowContext; |
| 58 | import org.onosproject.workflow.api.WorkflowData; |
| 59 | import org.onosproject.workflow.api.WorkflowState; |
| 60 | import org.onosproject.workflow.api.Workplace; |
| 61 | import org.onosproject.workflow.api.WorkflowDataEvent; |
| 62 | import org.onosproject.workflow.api.WorkplaceStore; |
| 63 | import org.onosproject.workflow.api.WorkplaceStoreDelegate; |
| 64 | import org.onosproject.store.AbstractStore; |
| 65 | import org.onosproject.store.serializers.KryoNamespaces; |
| 66 | import org.onosproject.store.service.ConsistentMap; |
| 67 | import org.onosproject.store.service.MapEvent; |
| 68 | import org.onosproject.store.service.MapEventListener; |
| 69 | import org.onosproject.store.service.Serializer; |
| 70 | import org.onosproject.store.service.StorageException; |
| 71 | import org.onosproject.store.service.StorageService; |
| 72 | import org.onosproject.store.service.Versioned; |
| 73 | import org.slf4j.Logger; |
| 74 | |
| 75 | import java.util.ArrayList; |
| 76 | import java.util.Collection; |
| 77 | import java.util.Collections; |
| 78 | import java.util.HashMap; |
| 79 | import java.util.LinkedHashMap; |
| 80 | import java.util.List; |
| 81 | import java.util.Map; |
| 82 | |
| 83 | import static org.slf4j.LoggerFactory.getLogger; |
| 84 | |
| 85 | @Component(immediate = true) |
| 86 | @Service |
| 87 | public class DistributedWorkplaceStore |
| 88 | extends AbstractStore<WorkflowDataEvent, WorkplaceStoreDelegate> implements WorkplaceStore { |
| 89 | |
| 90 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 91 | protected CoreService coreService; |
| 92 | |
| 93 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 94 | protected StorageService storageService; |
| 95 | |
| 96 | private ApplicationId appId; |
| 97 | private final Logger log = getLogger(getClass()); |
| 98 | |
| 99 | private final WorkplaceMapListener workplaceMapEventListener = new WorkplaceMapListener(); |
| 100 | private ConsistentMap<String, WorkflowData> workplaceMap; |
| 101 | private Map<String, Workplace> localWorkplaceMap = Maps.newConcurrentMap(); |
| 102 | |
| 103 | private final WorkflowContextMapListener contextMapEventListener = new WorkflowContextMapListener(); |
| 104 | private ConsistentMap<String, WorkflowData> contextMap; |
| 105 | private Map<String, WorkflowContext> localContextMap = Maps.newConcurrentMap(); |
| 106 | |
| 107 | private Map<String, Map<String, WorkflowContext>> localWorkplaceMemberMap = Maps.newConcurrentMap(); |
| 108 | |
| 109 | @Activate |
| 110 | public void activate() { |
| 111 | |
| 112 | appId = coreService.registerApplication("org.onosproject.workplacestore"); |
| 113 | log.info("appId=" + appId); |
| 114 | |
| 115 | KryoNamespace workplaceNamespace = KryoNamespace.newBuilder() |
| 116 | .register(KryoNamespaces.API) |
| 117 | .register(WorkflowData.class) |
| 118 | .register(Workplace.class) |
| 119 | .register(DefaultWorkplace.class) |
| 120 | .register(WorkflowContext.class) |
| 121 | .register(DefaultWorkflowContext.class) |
| 122 | .register(SystemWorkflowContext.class) |
| 123 | .register(WorkflowState.class) |
| 124 | .register(DataModelTree.class) |
| 125 | .register(JsonDataModelTree.class) |
| 126 | .register(List.class) |
| 127 | .register(ArrayList.class) |
| 128 | .register(JsonNode.class) |
| 129 | .register(ObjectNode.class) |
| 130 | .register(TextNode.class) |
| 131 | .register(LinkedHashMap.class) |
| 132 | .register(ArrayNode.class) |
| 133 | .register(BaseJsonNode.class) |
| 134 | .register(BigIntegerNode.class) |
| 135 | .register(BinaryNode.class) |
| 136 | .register(BooleanNode.class) |
| 137 | .register(ContainerNode.class) |
| 138 | .register(DecimalNode.class) |
| 139 | .register(DoubleNode.class) |
| 140 | .register(FloatNode.class) |
| 141 | .register(IntNode.class) |
| 142 | .register(JsonNodeType.class) |
| 143 | .register(LongNode.class) |
| 144 | .register(MissingNode.class) |
| 145 | .register(NullNode.class) |
| 146 | .register(NumericNode.class) |
| 147 | .register(POJONode.class) |
| 148 | .register(ShortNode.class) |
| 149 | .register(ValueNode.class) |
| 150 | .register(JsonNodeCreator.class) |
| 151 | .register(JsonNodeFactory.class) |
| 152 | .build(); |
| 153 | |
| 154 | localWorkplaceMap.clear(); |
| 155 | workplaceMap = storageService.<String, WorkflowData>consistentMapBuilder() |
| 156 | .withSerializer(Serializer.using(workplaceNamespace)) |
| 157 | .withName("workplace-map") |
| 158 | .withApplicationId(appId) |
| 159 | .build(); |
| 160 | workplaceMap.addListener(workplaceMapEventListener); |
| 161 | |
| 162 | localContextMap.clear(); |
| 163 | contextMap = storageService.<String, WorkflowData>consistentMapBuilder() |
| 164 | .withSerializer(Serializer.using(workplaceNamespace)) |
| 165 | .withName("workflow-context-map") |
| 166 | .withApplicationId(appId) |
| 167 | .build(); |
| 168 | contextMap.addListener(contextMapEventListener); |
| 169 | |
| 170 | workplaceMapEventListener.syncLocal(); |
| 171 | contextMapEventListener.syncLocal(); |
| 172 | log.info("Started"); |
| 173 | } |
| 174 | |
| 175 | @Deactivate |
| 176 | public void deactivate() { |
| 177 | workplaceMap.destroy(); |
| 178 | localWorkplaceMap.clear(); |
| 179 | contextMap.destroy(); |
| 180 | localContextMap.clear(); |
| 181 | |
| 182 | log.info("Stopped"); |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public void registerWorkplace(String name, Workplace workplace) throws StorageException { |
| 187 | workplaceMap.put(name, workplace); |
| 188 | } |
| 189 | |
| 190 | @Override |
| 191 | public void removeWorkplace(String name) throws StorageException { |
| 192 | removeWorkplaceContexts(name); |
| 193 | workplaceMap.remove(name); |
| 194 | } |
| 195 | |
| 196 | @Override |
| 197 | public Workplace getWorkplace(String name) throws StorageException { |
| 198 | return localWorkplaceMap.get(name); |
| 199 | } |
| 200 | |
| 201 | @Override |
| 202 | public Collection<Workplace> getWorkplaces() throws StorageException { |
| 203 | return ImmutableList.copyOf(localWorkplaceMap.values()); |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public void commitWorkplace(String name, Workplace workplace, boolean handleEvent) throws StorageException { |
| 208 | workplace.setTriggerNext(handleEvent); |
| 209 | if (workplaceMap.containsKey(name)) { |
| 210 | workplaceMap.replace(name, workplace); |
| 211 | } else { |
| 212 | registerWorkplace(name, workplace); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | @Override |
| 217 | public void registerContext(String name, WorkflowContext context) throws StorageException { |
| 218 | contextMap.put(name, context); |
| 219 | } |
| 220 | |
| 221 | @Override |
| 222 | public void removeContext(String name) throws StorageException { |
| 223 | contextMap.remove(name); |
| 224 | } |
| 225 | |
| 226 | @Override |
| 227 | public WorkflowContext getContext(String name) throws StorageException { |
| 228 | return localContextMap.get(name); |
| 229 | } |
| 230 | |
| 231 | @Override |
| 232 | public void commitContext(String name, WorkflowContext context, boolean handleEvent) throws StorageException { |
| 233 | context.setTriggerNext(handleEvent); |
| 234 | if (contextMap.containsKey(name)) { |
| 235 | contextMap.replace(name, context); |
| 236 | } else { |
| 237 | registerContext(name, context); |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | @Override |
| 242 | public Collection<WorkflowContext> getContexts() throws StorageException { |
| 243 | return ImmutableList.copyOf(localContextMap.values()); |
| 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public Collection<WorkflowContext> getWorkplaceContexts(String workplaceName) { |
| 248 | Map<String, WorkflowContext> ctxMap = localWorkplaceMemberMap.get(workplaceName); |
| 249 | if (ctxMap == null) { |
| 250 | return Collections.emptyList(); |
| 251 | } |
| 252 | |
| 253 | return ImmutableList.copyOf(ctxMap.values()); |
| 254 | } |
| 255 | |
| 256 | @Override |
| 257 | public void removeWorkplaceContexts(String workplaceName) { |
| 258 | for (WorkflowContext ctx : getWorkplaceContexts(workplaceName)) { |
| 259 | removeContext(ctx.name()); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | private class WorkplaceMapListener implements MapEventListener<String, WorkflowData> { |
| 264 | |
| 265 | @Override |
| 266 | public void event(MapEvent<String, WorkflowData> event) { |
| 267 | |
| 268 | Workplace newWorkplace = (Workplace) Versioned.valueOrNull(event.newValue()); |
| 269 | Workplace oldWorkplace = (Workplace) Versioned.valueOrNull(event.oldValue()); |
| 270 | |
| 271 | log.info("WorkplaceMap event: {}", event); |
| 272 | switch (event.type()) { |
| 273 | case INSERT: |
| 274 | insert(newWorkplace); |
| 275 | notifyDelegate(new WorkflowDataEvent(WorkflowDataEvent.Type.INSERT, newWorkplace)); |
| 276 | break; |
| 277 | case UPDATE: |
| 278 | update(newWorkplace); |
| 279 | notifyDelegate(new WorkflowDataEvent(WorkflowDataEvent.Type.UPDATE, newWorkplace)); |
| 280 | break; |
| 281 | case REMOVE: |
| 282 | remove(oldWorkplace); |
| 283 | notifyDelegate(new WorkflowDataEvent(WorkflowDataEvent.Type.REMOVE, oldWorkplace)); |
| 284 | break; |
| 285 | default: |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | private void insert(Workplace workplace) { |
| 290 | localWorkplaceMap.put(workplace.name(), workplace); |
| 291 | } |
| 292 | |
| 293 | private void update(Workplace workplace) { |
| 294 | localWorkplaceMap.replace(workplace.name(), workplace); |
| 295 | } |
| 296 | |
| 297 | private void remove(Workplace workplace) { |
| 298 | localWorkplaceMap.remove(workplace.name()); |
| 299 | } |
| 300 | |
| 301 | public void syncLocal() { |
| 302 | workplaceMap.values().stream().forEach( |
| 303 | x -> insert((Workplace) (x.value())) |
| 304 | ); |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | private class WorkflowContextMapListener implements MapEventListener<String, WorkflowData> { |
| 309 | |
| 310 | @Override |
| 311 | public void event(MapEvent<String, WorkflowData> event) { |
| 312 | |
| 313 | WorkflowContext newContext = (WorkflowContext) Versioned.valueOrNull(event.newValue()); |
| 314 | WorkflowContext oldContext = (WorkflowContext) Versioned.valueOrNull(event.oldValue()); |
| 315 | |
| 316 | log.info("WorkflowContext event: {}", event); |
| 317 | switch (event.type()) { |
| 318 | case INSERT: |
| 319 | insert(newContext); |
| 320 | notifyDelegate(new WorkflowDataEvent(WorkflowDataEvent.Type.INSERT, newContext)); |
| 321 | break; |
| 322 | case UPDATE: |
| 323 | update(newContext); |
| 324 | notifyDelegate(new WorkflowDataEvent(WorkflowDataEvent.Type.UPDATE, newContext)); |
| 325 | break; |
| 326 | case REMOVE: |
| 327 | remove(oldContext); |
| 328 | notifyDelegate(new WorkflowDataEvent(WorkflowDataEvent.Type.REMOVE, oldContext)); |
| 329 | break; |
| 330 | default: |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Inserts workflow context on local hash map. |
| 336 | * @param context workflow context |
| 337 | */ |
| 338 | private void insert(WorkflowContext context) { |
| 339 | String workplaceName = context.workplaceName(); |
| 340 | Map<String, WorkflowContext> ctxMap = localWorkplaceMemberMap.get(workplaceName); |
| 341 | if (ctxMap == null) { |
| 342 | ctxMap = new HashMap<>(); |
| 343 | localWorkplaceMemberMap.put(workplaceName, ctxMap); |
| 344 | } |
| 345 | ctxMap.put(context.name(), context); |
| 346 | |
| 347 | localContextMap.put(context.name(), context); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Updates workflow context on local hash map. |
| 352 | * @param context workflow context |
| 353 | */ |
| 354 | private void update(WorkflowContext context) { |
| 355 | String workplaceName = context.workplaceName(); |
| 356 | Map<String, WorkflowContext> ctxMap = localWorkplaceMemberMap.get(workplaceName); |
| 357 | if (ctxMap == null) { |
| 358 | ctxMap = new HashMap<>(); |
| 359 | localWorkplaceMemberMap.put(workplaceName, ctxMap); |
| 360 | } |
| 361 | ctxMap.put(context.name(), context); |
| 362 | |
| 363 | localContextMap.put(context.name(), context); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Removes workflow context from local hash map. |
| 368 | * @param context workflow context |
| 369 | */ |
| 370 | private void remove(WorkflowContext context) { |
| 371 | localContextMap.remove(context.name()); |
| 372 | |
| 373 | String workplaceName = context.workplaceName(); |
| 374 | Map<String, WorkflowContext> ctxMap = localWorkplaceMemberMap.get(workplaceName); |
| 375 | if (ctxMap == null) { |
| 376 | log.error("remove-context: Failed to find workplace({}) in localWorkplaceMemberMap", workplaceName); |
| 377 | return; |
| 378 | } |
| 379 | ctxMap.remove(context.name()); |
| 380 | if (ctxMap.size() == 0) { |
| 381 | localWorkplaceMemberMap.remove(workplaceName, ctxMap); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Synchronizes local hash map. |
| 387 | */ |
| 388 | public void syncLocal() { |
| 389 | contextMap.values().stream().forEach( |
| 390 | x -> insert((WorkflowContext) (x.value())) |
| 391 | ); |
| 392 | } |
| 393 | } |
| 394 | } |