org.camunda.bpm.engine.impl.migration.instance.MigratingExternalTaskInstance Maven / Gradle / Ivy
/*
* 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.ArrayList;
import java.util.List;
import org.camunda.bpm.engine.impl.ProcessEngineLogger;
import org.camunda.bpm.engine.impl.migration.MigrationLogger;
import org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity;
import org.camunda.bpm.engine.impl.persistence.entity.ExternalTaskEntity;
import org.camunda.bpm.engine.impl.pvm.process.ScopeImpl;
import org.camunda.bpm.engine.repository.ProcessDefinition;
/**
* @author Thorben Lindhauer
*
*/
public class MigratingExternalTaskInstance implements MigratingInstance {
public static final MigrationLogger MIGRATION_LOGGER = ProcessEngineLogger.MIGRATION_LOGGER;
protected ExternalTaskEntity externalTask;
protected MigratingActivityInstance migratingActivityInstance;
protected List dependentInstances = new ArrayList();
public MigratingExternalTaskInstance(ExternalTaskEntity externalTask, MigratingActivityInstance migratingActivityInstance) {
this.externalTask = externalTask;
this.migratingActivityInstance = migratingActivityInstance;
}
@Override
public void migrateDependentEntities() {
for (MigratingInstance migratingDependentInstance : dependentInstances) {
migratingDependentInstance.migrateState();
}
}
@Override
public boolean isDetached() {
return externalTask.getExecutionId() == null;
}
@Override
public void detachState() {
externalTask.getExecution().removeExternalTask(externalTask);
externalTask.setExecution(null);
}
@Override
public void attachState(MigratingScopeInstance owningInstance) {
ExecutionEntity representativeExecution = owningInstance.resolveRepresentativeExecution();
representativeExecution.addExternalTask(externalTask);
externalTask.setExecution(representativeExecution);
}
@Override
public void attachState(MigratingTransitionInstance targetTransitionInstance) {
throw MIGRATION_LOGGER.cannotAttachToTransitionInstance(this);
}
@Override
public void migrateState() {
ScopeImpl targetActivity = migratingActivityInstance.getTargetScope();
ProcessDefinition targetProcessDefinition = (ProcessDefinition) targetActivity.getProcessDefinition();
externalTask.setActivityId(targetActivity.getId());
externalTask.setProcessDefinitionId(targetProcessDefinition.getId());
externalTask.setProcessDefinitionKey(targetProcessDefinition.getKey());
}
public String getId() {
return externalTask.getId();
}
public ScopeImpl getTargetScope() {
return migratingActivityInstance.getTargetScope();
}
public void addMigratingDependentInstance(MigratingInstance migratingInstance) {
dependentInstances.add(migratingInstance);
}
}