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.engine.ActivitiIllegalArgumentException;
  import org.activiti.engine.ActivitiObjectNotFoundException;
  import org.activiti.engine.delegate.event.ActivitiEventType;
  import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
  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.DeadLetterJobEntity;
  import org.activiti.engine.runtime.Job;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
  
   */
  
  public class DeleteDeadLetterJobCmd implements Command<Object>, Serializable {
  
      private static final Logger log = LoggerFactory.getLogger(DeleteDeadLetterJobCmd.class);
      private static final long serialVersionUID = 1L;
  
      protected String timerJobId;
  
      public DeleteDeadLetterJobCmd(String timerJobId) {
          this.timerJobId = timerJobId;
      }
  
      public Object execute(CommandContext commandContext) {
          DeadLetterJobEntity jobToDelete = getJobToDelete(commandContext);
  
          sendCancelEvent(jobToDelete);
  
          commandContext.getDeadLetterJobEntityManager().delete(jobToDelete);
          return null;
      }
  
      protected void sendCancelEvent(DeadLetterJobEntity jobToDelete) {
          if (Context.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
              Context.getProcessEngineConfiguration()
                  .getEventDispatcher()
                  .dispatchEvent(ActivitiEventBuilder.createEntityEvent(ActivitiEventType.JOB_CANCELED, jobToDelete));
          }
      }
  
      protected DeadLetterJobEntity getJobToDelete(CommandContext commandContext) {
          if (timerJobId == null) {
              throw new ActivitiIllegalArgumentException("jobId is null");
          }
          if (log.isDebugEnabled()) {
              log.debug("Deleting job {}", timerJobId);
          }
  
          DeadLetterJobEntity job = commandContext.getDeadLetterJobEntityManager().findById(timerJobId);
          if (job == null) {
              throw new ActivitiObjectNotFoundException(
                  "No dead letter job found with id '" + timerJobId + "'",
                  Job.class
              );
          }
  
          return job;
      }
  }
  