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.agenda;
  
  import org.activiti.bpmn.model.FlowElement;
  import org.activiti.bpmn.model.FlowNode;
  import org.activiti.engine.delegate.BpmnError;
  import org.activiti.engine.delegate.ExecutionListener;
  import org.activiti.engine.delegate.event.ActivitiEventType;
  import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
  import org.activiti.engine.impl.bpmn.helper.ErrorPropagation;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.delegate.ActivityBehavior;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  import org.activiti.engine.impl.persistence.entity.JobEntity;
  import org.activiti.engine.impl.util.CollectionUtil;
  import org.activiti.engine.logging.LogMDC;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Special operation when executing an instance of a multi-instance.
   * It's similar to the {@link ContinueProcessOperation}, but simpler, as it doesn't need to
   * cater for as many use cases.
   *
  
  
   */
  public class ContinueMultiInstanceOperation extends AbstractOperation {
  
      private static Logger logger = LoggerFactory.getLogger(ContinueMultiInstanceOperation.class);
  
      public ContinueMultiInstanceOperation(CommandContext commandContext, ExecutionEntity execution) {
          super(commandContext, execution);
      }
  
      @Override
      public void run() {
          FlowElement currentFlowElement = getCurrentFlowElement(execution);
          if (currentFlowElement instanceof FlowNode) {
              continueThroughMultiInstanceFlowNode((FlowNode) currentFlowElement);
          } else {
              throw new RuntimeException(
                  "Programmatic error: no valid multi instance flow node, type: " + currentFlowElement + ". Halting."
              );
          }
      }
  
      protected void continueThroughMultiInstanceFlowNode(FlowNode flowNode) {
          if (!flowNode.isAsynchronous()) {
              executeSynchronous(flowNode);
          } else {
              executeAsynchronous(flowNode);
          }
      }
  
      protected void executeSynchronous(FlowNode flowNode) {
          // Execution listener
          if (CollectionUtil.isNotEmpty(flowNode.getExecutionListeners())) {
              executeExecutionListeners(flowNode, ExecutionListener.EVENTNAME_START);
          }
  
          commandContext.getHistoryManager().recordActivityStart(execution);
  
          // Execute actual behavior
          ActivityBehavior activityBehavior = (ActivityBehavior) flowNode.getBehavior();
          if (activityBehavior != null) {
              logger.debug(
                  "Executing activityBehavior {} on activity '{}' with execution {}",
                  activityBehavior.getClass(),
                  flowNode.getId(),
                  execution.getId()
              );
  
              if (
                  Context.getProcessEngineConfiguration() != null &&
                  Context.getProcessEngineConfiguration().getEventDispatcher().isEnabled()
              ) {
                  Context.getProcessEngineConfiguration()
                      .getEventDispatcher()
                      .dispatchEvent(
                          ActivitiEventBuilder.createActivityEvent(
                              ActivitiEventType.ACTIVITY_STARTED,
                              execution,
                              flowNode
                          )
                      );
              }
  
              try {
                  activityBehavior.execute(execution);
              } catch (BpmnError error) {
                  // re-throw business fault so that it can be caught by an Error Intermediate Event or Error Event Sub-Process in the process
                  ErrorPropagation.propagateError(error, execution);
              } catch (RuntimeException e) {
                  if (LogMDC.isMDCEnabled()) {
                      LogMDC.putMDCExecution(execution);
                  }
                  throw e;
              }
          } else {
              logger.debug("No activityBehavior on activity '{}' with execution {}", flowNode.getId(), execution.getId());
          }
      }
  
      protected void executeAsynchronous(FlowNode flowNode) {
          JobEntity job = commandContext.getJobManager().createAsyncJob(execution, flowNode.isExclusive());
          commandContext.getJobManager().scheduleAsyncJob(job);
      }
  }
  