org.camunda.bpm.engine.impl.migration.instance.MigratingAsyncJobInstance Maven / Gradle / Ivy
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* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.camunda.bpm.engine.impl.migration.instance;
import java.util.List;
import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.impl.jobexecutor.MessageJobDeclaration;
import org.camunda.bpm.engine.impl.jobexecutor.AsyncContinuationJobHandler.AsyncContinuationConfiguration;
import org.camunda.bpm.engine.impl.persistence.entity.JobDefinitionEntity;
import org.camunda.bpm.engine.impl.persistence.entity.JobEntity;
import org.camunda.bpm.engine.impl.pvm.PvmTransition;
import org.camunda.bpm.engine.impl.pvm.process.ActivityImpl;
import org.camunda.bpm.engine.impl.pvm.process.ScopeImpl;
import org.camunda.bpm.engine.impl.pvm.process.TransitionImpl;
import org.camunda.bpm.engine.impl.pvm.runtime.operation.PvmAtomicOperation;
import org.camunda.bpm.engine.management.JobDefinition;
/**
* @author Thorben Lindhauer
*
*/
public class MigratingAsyncJobInstance extends MigratingJobInstance {
public MigratingAsyncJobInstance(JobEntity jobEntity, JobDefinitionEntity jobDefinitionEntity, ScopeImpl targetScope) {
super(jobEntity, jobDefinitionEntity, targetScope);
}
@Override
protected void migrateJobHandlerConfiguration() {
AsyncContinuationConfiguration configuration = (AsyncContinuationConfiguration) jobEntity.getJobHandlerConfiguration();
if (isAsyncAfter()) {
updateAsyncAfterTargetConfiguration(configuration);
}
else {
updateAsyncBeforeTargetConfiguration();
}
}
public boolean isAsyncAfter() {
JobDefinition jobDefinition = jobEntity.getJobDefinition();
return MessageJobDeclaration.ASYNC_AFTER.equals(jobDefinition.getJobConfiguration());
}
public boolean isAsyncBefore() {
return !isAsyncAfter();
}
protected void updateAsyncBeforeTargetConfiguration() {
AsyncContinuationConfiguration targetConfiguration = new AsyncContinuationConfiguration();
AsyncContinuationConfiguration currentConfiguration = (AsyncContinuationConfiguration) jobEntity.getJobHandlerConfiguration();
if (PvmAtomicOperation.PROCESS_START.getCanonicalName().equals(currentConfiguration.getAtomicOperation())) {
// process start always stays process start
targetConfiguration.setAtomicOperation(PvmAtomicOperation.PROCESS_START.getCanonicalName());
}
else {
if (((ActivityImpl) targetScope).getIncomingTransitions().isEmpty()) {
targetConfiguration.setAtomicOperation(PvmAtomicOperation.ACTIVITY_START_CREATE_SCOPE.getCanonicalName());
}
else {
targetConfiguration.setAtomicOperation(PvmAtomicOperation.TRANSITION_CREATE_SCOPE.getCanonicalName());
}
}
jobEntity.setJobHandlerConfiguration(targetConfiguration);
}
protected void updateAsyncAfterTargetConfiguration(AsyncContinuationConfiguration currentConfiguration) {
ActivityImpl targetActivity = (ActivityImpl) targetScope;
List outgoingTransitions = targetActivity.getOutgoingTransitions();
AsyncContinuationConfiguration targetConfiguration = new AsyncContinuationConfiguration();
if (outgoingTransitions.isEmpty()) {
targetConfiguration.setAtomicOperation(PvmAtomicOperation.ACTIVITY_END.getCanonicalName());
}
else {
targetConfiguration.setAtomicOperation(PvmAtomicOperation.TRANSITION_NOTIFY_LISTENER_TAKE.getCanonicalName());
if (outgoingTransitions.size() == 1) {
targetConfiguration.setTransitionId(outgoingTransitions.get(0).getId());
}
else {
TransitionImpl matchingTargetTransition = null;
String currentTransitionId = currentConfiguration.getTransitionId();
if (currentTransitionId != null) {
matchingTargetTransition = targetActivity.findOutgoingTransition(currentTransitionId);
}
if (matchingTargetTransition != null) {
targetConfiguration.setTransitionId(matchingTargetTransition.getId());
}
else {
// should not happen since it is avoided by validation
throw new ProcessEngineException("Cannot determine matching outgoing sequence flow");
}
}
}
jobEntity.setJobHandlerConfiguration(targetConfiguration);
}
}