/* Licensed under the Apache License, Version 2.0 (the "License");
* 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.bpmn.behavior;
import java.util.List;
import org.camunda.bpm.engine.impl.bpmn.helper.ScopeUtil;
import org.camunda.bpm.engine.impl.bpmn.parser.BpmnParse;
import org.camunda.bpm.engine.impl.bpmn.parser.CompensateEventDefinition;
import org.camunda.bpm.engine.impl.persistence.entity.CompensateEventSubscriptionEntity;
import org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity;
import org.camunda.bpm.engine.impl.pvm.delegate.ActivityExecution;
import org.camunda.bpm.engine.impl.pvm.process.ActivityImpl;
/**
* @author Daniel Meyer
*/
public class IntermediateThrowCompensationEventActivityBehavior extends FlowNodeActivityBehavior {
protected final CompensateEventDefinition compensateEventDefinition;
public IntermediateThrowCompensationEventActivityBehavior(CompensateEventDefinition compensateEventDefinition) {
this.compensateEventDefinition = compensateEventDefinition;
}
@Override
public void execute(ActivityExecution execution) throws Exception {
final String activityRef = compensateEventDefinition.getActivityRef();
ExecutionEntity scopeExecution = (ExecutionEntity) (execution.isConcurrent() && !execution.isScope() ? execution.getParent() : execution);
List<CompensateEventSubscriptionEntity> eventSubscriptions;
if(activityRef != null) {
ActivityImpl activityToCompensate = scopeExecution.getProcessDefinition().findActivity(activityRef);
String compensationHandlerId = (String) activityToCompensate.getProperty(BpmnParse.PROPERTYNAME_COMPENSATION_HANDLER_ID);
if(compensationHandlerId != null) {
eventSubscriptions = scopeExecution.getCompensateEventSubscriptions(compensationHandlerId);
} else {
eventSubscriptions = scopeExecution.getCompensateEventSubscriptions(activityRef);
}
} else {
eventSubscriptions = scopeExecution.getCompensateEventSubscriptions();
}
if(eventSubscriptions.isEmpty()) {
leave(execution);
} else {
// TODO: implement async (waitForCompletion=false in bpmn)
ScopeUtil.throwCompensationEvent(eventSubscriptions, execution, false );
}
}
public void signal(ActivityExecution execution, String signalName, Object signalData) throws Exception {
// join compensating executions
if(execution.getExecutions().isEmpty()) {
leave(execution);
} else {
((ExecutionEntity)execution).forceUpdate();
}
}
}