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    • org.activiti.engine.impl.cmd.ExecuteJobsCmd Maven / Gradle / Ivy

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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.delegate.event.ActivitiEventType;
import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
import org.activiti.engine.impl.cfg.TransactionState;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.interceptor.CommandContextCloseListener;
import org.activiti.engine.impl.jobexecutor.FailedJobListener;
import org.activiti.engine.impl.persistence.entity.JobEntity;
import org.activiti.engine.impl.util.Activiti5Util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Tom Baeyens
 * @author Joram Barrez
 */
public class ExecuteJobsCmd implements Command, Serializable {

  private static final long serialVersionUID = 1L;

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

  protected String jobId;
  protected JobEntity job;

  public ExecuteJobsCmd(String jobId) {
    this.jobId = jobId;
  }

  public ExecuteJobsCmd(JobEntity job) {
    this.job = job;
  }

  public Object execute(CommandContext commandContext) {

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

    if (job == null) {
      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 ManualJobExecutionCommandContextCloseListener(job));

    try {
      commandContext.getJobEntityManager().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;
  }
  
  public static final class ManualJobExecutionCommandContextCloseListener implements CommandContextCloseListener {
    
    protected JobEntity jobEntity;
    
    public ManualJobExecutionCommandContextCloseListener(JobEntity jobEntity) {
      this.jobEntity = jobEntity;
    }

    @Override
    public void closing(CommandContext context) {
      
      if (context.getException() != null) {
      
        FailedJobListener failedJobListener = null;
        
        // When transaction is rolled back, decrement retries
        failedJobListener = new FailedJobListener(context.getProcessEngineConfiguration().getCommandExecutor(), jobEntity.getId());
        failedJobListener.setException(context.getException());
        context.getTransactionContext().addTransactionListener(TransactionState.ROLLED_BACK, failedJobListener);
        
        if (context.getEventDispatcher().isEnabled()) {
          try {
            context.getEventDispatcher().dispatchEvent(ActivitiEventBuilder.createEntityExceptionEvent(
                ActivitiEventType.JOB_EXECUTION_FAILURE, jobEntity, context.getException()));
          } catch(Throwable ignore) {
            log.warn("Exception occurred while dispatching job failure event, ignoring.", ignore);
          }
        }
        
      } else {
        
        if (context.getEventDispatcher().isEnabled()) {
          context.getEventDispatcher().dispatchEvent(
              ActivitiEventBuilder.createEntityEvent(ActivitiEventType.JOB_EXECUTION_SUCCESS, jobEntity));
        }
        
      }
    }

    @Override
    public void closed(CommandContext commandContext) {
      
    }
    
  }

}
    
    
    
    

    




    
    
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