/* 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.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.JobEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Tijs Rademakers
*/
public class LockExclusiveJobCmd implements Command<Object>, Serializable {
private static final long serialVersionUID = 1L;
private static Logger log = LoggerFactory.getLogger(LockExclusiveJobCmd.class);
protected JobEntity job;
public LockExclusiveJobCmd(JobEntity job) {
this.job = job;
}
public Object execute(CommandContext commandContext) {
if (job == null) {
throw new ActivitiIllegalArgumentException("job is null");
}
if (log.isDebugEnabled()) {
log.debug("Executing lock exclusive job {} {}", job.getId(), job.getExecutionId());
}
if (job.isExclusive()) {
if (job.getExecutionId() != null) {
ExecutionEntity execution = commandContext.getExecutionEntityManager().findExecutionById(job.getExecutionId());
if (execution != null) {
commandContext.getExecutionEntityManager().updateProcessInstanceLockTime(execution.getProcessInstanceId());
}
}
}
return null;
}
}