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 org.activiti.engine.ActivitiException;
  import org.activiti.engine.ActivitiIllegalArgumentException;
  import org.activiti.engine.delegate.event.ActivitiEvent;
  import org.activiti.engine.impl.interceptor.Command;
  import org.activiti.engine.impl.interceptor.CommandContext;
  
  /**
   * Command that dispatches an event.
   *
  
   */
  public class DispatchEventCommand implements Command<Void> {
  
      protected ActivitiEvent event;
  
      public DispatchEventCommand(ActivitiEvent event) {
          this.event = event;
      }
  
      @Override
      public Void execute(CommandContext commandContext) {
          if (event == null) {
              throw new ActivitiIllegalArgumentException("event is null");
          }
  
          if (commandContext.getEventDispatcher().isEnabled()) {
              commandContext.getEventDispatcher().dispatchEvent(event);
          } else {
              throw new ActivitiException("Message dispatcher is disabled, cannot dispatch event");
          }
  
          return null;
      }
  }
  