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/* 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.ActivitiException;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.JobNotFoundException;
import org.activiti.engine.compatibility.Activiti5CompatibilityHandler;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.jobexecutor.FailedJobListener;
import org.activiti.engine.impl.util.Activiti5Util;
import org.activiti.engine.runtime.Job;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**


 */
public class ExecuteJobCmd implements Command, Serializable {

  private static final long serialVersionUID = 1L;

  private static Logger log = LoggerFactory.getLogger(ExecuteJobCmd.class);

  protected String jobId;
  
  public ExecuteJobCmd(String jobId) {
    this.jobId = jobId;
  }

  public Object execute(CommandContext commandContext) {

    if (jobId == null) {
      throw new ActivitiIllegalArgumentException("jobId and job is null");
    }

    Job job = commandContext.getJobEntityManager().findById(jobId);

    if (job == null) {
      throw new JobNotFoundException(jobId);
    }

    if (log.isDebugEnabled()) {
      log.debug("Executing job {}", job.getId());
    }
    
    if (job.getProcessDefinitionId() != null && Activiti5Util.isActiviti5ProcessDefinitionId(commandContext, job.getProcessDefinitionId())) {
      Activiti5CompatibilityHandler activiti5CompatibilityHandler = Activiti5Util.getActiviti5CompatibilityHandler(); 
      activiti5CompatibilityHandler.executeJob(job);
      return null;
    }
    
    commandContext.addCloseListener(new FailedJobListener(commandContext.getProcessEngineConfiguration().getCommandExecutor(), job));

    try {
      commandContext.getJobManager().execute(job);
    } catch (Throwable exception) {
      // Finally, Throw the exception to indicate the ExecuteJobCmd failed
      throw new ActivitiException("Job " + jobId + " failed", exception);
    }

    return null;
  }

  public String getJobId() {
    return jobId;
  }
  
}
    

    

    

                
 
            

    

                
 
            



    
    






    
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