content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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.activiti.engine.impl.bpmn.behavior;
  
  import java.util.List;
  import org.activiti.bpmn.model.Activity;
  import org.activiti.bpmn.model.Association;
  import org.activiti.bpmn.model.BoundaryEvent;
  import org.activiti.bpmn.model.CompensateEventDefinition;
  import org.activiti.bpmn.model.FlowElement;
  import org.activiti.bpmn.model.Process;
  import org.activiti.bpmn.model.SubProcess;
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.delegate.DelegateExecution;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.persistence.entity.CompensateEventSubscriptionEntity;
  import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntity;
  import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntityManager;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  import org.activiti.engine.impl.util.ProcessDefinitionUtil;
  
  /**
  
   */
  public class BoundaryCompensateEventActivityBehavior extends BoundaryEventActivityBehavior {
  
      private static final long serialVersionUID = 1L;
  
      protected CompensateEventDefinition compensateEventDefinition;
  
      public BoundaryCompensateEventActivityBehavior(
          CompensateEventDefinition compensateEventDefinition,
          boolean interrupting
      ) {
          super(interrupting);
          this.compensateEventDefinition = compensateEventDefinition;
      }
  
      @Override
      public void execute(DelegateExecution execution) {
          ExecutionEntity executionEntity = (ExecutionEntity) execution;
          BoundaryEvent boundaryEvent = (BoundaryEvent) execution.getCurrentFlowElement();
  
          Process process = ProcessDefinitionUtil.getProcess(execution.getProcessDefinitionId());
          if (process == null) {
              throw new ActivitiException("Process model (id = " + execution.getId() + ") could not be found");
          }
  
          Activity compensationActivity = null;
          List<Association> associations = process.findAssociationsWithSourceRefRecursive(boundaryEvent.getId());
          for (Association association : associations) {
              FlowElement targetElement = process.getFlowElement(association.getTargetRef(), true);
              if (targetElement instanceof Activity) {
                  Activity activity = (Activity) targetElement;
                  if (activity.isForCompensation()) {
                      compensationActivity = activity;
                      break;
                  }
              }
          }
  
          if (compensationActivity == null) {
              throw new ActivitiException(
                  "Compensation activity could not be found (or it is missing 'isForCompensation=\"true\"'"
              );
          }
  
          // find SubProcess or Process instance execution
          ExecutionEntity scopeExecution = null;
          ExecutionEntity parentExecution = executionEntity.getParent();
          while (scopeExecution == null && parentExecution != null) {
              if (parentExecution.getCurrentFlowElement() instanceof SubProcess) {
                  scopeExecution = parentExecution;
              } else if (parentExecution.isProcessInstanceType()) {
                  scopeExecution = parentExecution;
              } else {
                  parentExecution = parentExecution.getParent();
              }
          }
  
          if (scopeExecution == null) {
              throw new ActivitiException(
                  "Could not find a scope execution for compensation boundary event " + boundaryEvent.getId()
              );
          }
  
          Context.getCommandContext()
              .getEventSubscriptionEntityManager()
              .insertCompensationEvent(scopeExecution, compensationActivity.getId());
      }
  
      @Override
      public void trigger(DelegateExecution execution, String triggerName, Object triggerData) {
          ExecutionEntity executionEntity = (ExecutionEntity) execution;
          BoundaryEvent boundaryEvent = (BoundaryEvent) execution.getCurrentFlowElement();
  
          if (boundaryEvent.isCancelActivity()) {
              EventSubscriptionEntityManager eventSubscriptionEntityManager =
                  Context.getCommandContext().getEventSubscriptionEntityManager();
              List<EventSubscriptionEntity> eventSubscriptions = executionEntity.getEventSubscriptions();
              for (EventSubscriptionEntity eventSubscription : eventSubscriptions) {
                  if (
                      eventSubscription instanceof CompensateEventSubscriptionEntity &&
                      eventSubscription.getActivityId().equals(compensateEventDefinition.getActivityRef())
                  ) {
                      eventSubscriptionEntityManager.delete(eventSubscription);
                  }
              }
          }
  
          super.trigger(executionEntity, triggerName, triggerData);
      }
  }
  