org.camunda.bpm.engine.impl.cmd.UnlockJobCmd Maven / Gradle / Ivy
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* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.cmd;
import org.camunda.bpm.engine.impl.ProcessEngineLogger;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.jobexecutor.JobExecutorLogger;
import org.camunda.bpm.engine.impl.persistence.entity.JobEntity;
import org.camunda.bpm.engine.impl.util.EnsureUtil;
/**
* Unlock job.
*
* @author Thomas Skjolberg
*/
public class UnlockJobCmd implements Command {
protected static final long serialVersionUID = 1L;
private final static JobExecutorLogger LOG = ProcessEngineLogger.JOB_EXECUTOR_LOGGER;
protected String jobId;
public UnlockJobCmd(String jobId) {
this.jobId = jobId;
}
protected JobEntity getJob() {
return Context.getCommandContext().getJobManager().findJobById(jobId);
}
public Void execute(CommandContext commandContext) {
JobEntity job = getJob();
if (Context.getJobExecutorContext() == null) {
EnsureUtil.ensureNotNull("Job with id " + jobId + " does not exist", "job", job);
}
else if (Context.getJobExecutorContext() != null && job == null) {
// CAM-1842
// Job was acquired but does not exist anymore. This is not a problem.
// It usually means that the job has been deleted after it was acquired which can happen if the
// the activity instance corresponding to the job is cancelled.
LOG.debugAcquiredJobNotFound(jobId);
return null;
}
job.unlock();
return null;
}
}