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.Collection;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import org.activiti.bpmn.model.EventSubProcess;
  import org.activiti.bpmn.model.MessageEventDefinition;
  import org.activiti.bpmn.model.StartEvent;
  import org.activiti.bpmn.model.SubProcess;
  import org.activiti.bpmn.model.ValuedDataObject;
  import org.activiti.engine.delegate.DelegateExecution;
  import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
  import org.activiti.engine.history.DeleteReason;
  import org.activiti.engine.impl.bpmn.parser.factory.MessageExecutionContext;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.interceptor.CommandContext;
  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.persistence.entity.ExecutionEntityManager;
  import org.activiti.engine.impl.persistence.entity.MessageEventSubscriptionEntity;
  
  /**
   * Implementation of the BPMN 2.0 event subprocess message start event.
   *
  
   */
  public class EventSubProcessMessageStartEventActivityBehavior extends AbstractBpmnActivityBehavior {
  
      private static final long serialVersionUID = 1L;
  
      protected final MessageEventDefinition messageEventDefinition;
      protected final MessageExecutionContext messageExecutionContext;
  
      public EventSubProcessMessageStartEventActivityBehavior(
          MessageEventDefinition messageEventDefinition,
          MessageExecutionContext messageExecutionContext
      ) {
          this.messageEventDefinition = messageEventDefinition;
          this.messageExecutionContext = messageExecutionContext;
      }
  
      public void execute(DelegateExecution execution) {
          StartEvent startEvent = (StartEvent) execution.getCurrentFlowElement();
          EventSubProcess eventSubProcess = (EventSubProcess) startEvent.getSubProcess();
  
          execution.setScope(true);
  
          // initialize the template-defined data objects as variables
          Map<String, Object> dataObjectVars = processDataObjects(eventSubProcess.getDataObjects());
          if (dataObjectVars != null) {
              execution.setVariablesLocal(dataObjectVars);
          }
      }
  
      @Override
      public void trigger(DelegateExecution execution, String triggerName, Object triggerData) {
          CommandContext commandContext = Context.getCommandContext();
          ExecutionEntityManager executionEntityManager = commandContext.getExecutionEntityManager();
          ExecutionEntity executionEntity = (ExecutionEntity) execution;
  
          StartEvent startEvent = (StartEvent) execution.getCurrentFlowElement();
          if (startEvent.isInterrupting()) {
              List<ExecutionEntity> childExecutions = executionEntityManager.findChildExecutionsByParentExecutionId(
                  executionEntity.getParentId()
              );
              for (ExecutionEntity childExecution : childExecutions) {
                  if (!childExecution.getId().equals(executionEntity.getId())) {
                      executionEntityManager.cancelExecutionAndRelatedData(
                          childExecution,
                          DeleteReason.EVENT_SUBPROCESS_INTERRUPTING + "(" + startEvent.getId() + ")"
                      );
                  }
              }
          }
  
          // Should we use triggerName and triggerData, because message name expression can change?
          String messageName = messageExecutionContext.getMessageName(execution);
  
          EventSubscriptionEntityManager eventSubscriptionEntityManager =
              Context.getCommandContext().getEventSubscriptionEntityManager();
          List<EventSubscriptionEntity> eventSubscriptions = executionEntity.getEventSubscriptions();
          for (EventSubscriptionEntity eventSubscription : eventSubscriptions) {
              if (
                  eventSubscription instanceof MessageEventSubscriptionEntity &&
                  eventSubscription.getEventName().equals(messageName)
              ) {
                  eventSubscriptionEntityManager.delete(eventSubscription);
              }
          }
  
          executionEntity.setCurrentFlowElement(
              (SubProcess) executionEntity.getCurrentFlowElement().getParentContainer()
          );
          executionEntity.setScope(true);
  
          ExecutionEntity outgoingFlowExecution = executionEntityManager.createChildExecution(executionEntity);
          outgoingFlowExecution.setCurrentFlowElement(startEvent);
  
          leave(outgoingFlowExecution);
      }
  
      protected Map<String, Object> processDataObjects(Collection<ValuedDataObject> dataObjects) {
          Map<String, Object> variablesMap = new HashMap<>();
          // convert data objects to process variables
          if (dataObjects != null) {
              for (ValuedDataObject dataObject : dataObjects) {
                  variablesMap.put(dataObject.getName(), dataObject.getValue());
              }
          }
          return variablesMap;
      }
  }
  