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.cmd;
  
  import java.io.Serializable;
  import org.activiti.bpmn.model.AdhocSubProcess;
  import org.activiti.bpmn.model.FlowElement;
  import org.activiti.bpmn.model.FlowNode;
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.ActivitiObjectNotFoundException;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.interceptor.Command;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  import org.activiti.engine.runtime.Execution;
  
  /**
  
   */
  public class ExecuteActivityForAdhocSubProcessCmd implements Command<Execution>, Serializable {
  
      private static final long serialVersionUID = 1L;
      protected String executionId;
      protected String activityId;
  
      public ExecuteActivityForAdhocSubProcessCmd(String executionId, String activityId) {
          this.executionId = executionId;
          this.activityId = activityId;
      }
  
      public Execution execute(CommandContext commandContext) {
          ExecutionEntity execution = commandContext.getExecutionEntityManager().findById(executionId);
          if (execution == null) {
              throw new ActivitiObjectNotFoundException(
                  "No execution found for id '" + executionId + "'",
                  ExecutionEntity.class
              );
          }
  
          if (!(execution.getCurrentFlowElement() instanceof AdhocSubProcess)) {
              throw new ActivitiException(
                  "The current flow element of the requested execution is not an ad-hoc sub process"
              );
          }
  
          FlowNode foundNode = null;
          AdhocSubProcess adhocSubProcess = (AdhocSubProcess) execution.getCurrentFlowElement();
  
          // if sequential ordering, only one child execution can be active
          if (adhocSubProcess.hasSequentialOrdering()) {
              if (execution.getExecutions().size() > 0) {
                  throw new ActivitiException("Sequential ad-hoc sub process already has an active execution");
              }
          }
  
          for (FlowElement flowElement : adhocSubProcess.getFlowElements()) {
              if (activityId.equals(flowElement.getId()) && flowElement instanceof FlowNode) {
                  FlowNode flowNode = (FlowNode) flowElement;
                  if (flowNode.getIncomingFlows().size() == 0) {
                      foundNode = flowNode;
                  }
              }
          }
  
          if (foundNode == null) {
              throw new ActivitiException("The requested activity with id " + activityId + " can not be enabled");
          }
  
          ExecutionEntity activityExecution = Context.getCommandContext()
              .getExecutionEntityManager()
              .createChildExecution(execution);
          activityExecution.setCurrentFlowElement(foundNode);
          Context.getAgenda().planContinueProcessOperation(activityExecution);
  
          return activityExecution;
      }
  }
  