/* 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.camunda.bpm.engine.impl.jobexecutor;
import java.util.List;
import org.camunda.bpm.container.ExecutorService;
import org.camunda.bpm.container.RuntimeContainerDelegate;
import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.impl.ProcessEngineImpl;
/**
* <p>JobExecutor implementation that delegates the execution of jobs
* to the {@link RuntimeContainerDelegate RuntimeContainer}</p>
*
* @author Daniel Meyer
*
*/
public class RuntimeContainerJobExecutor extends JobExecutor {
protected void startExecutingJobs() {
final RuntimeContainerDelegate runtimeContainerDelegate = getRuntimeContainerDelegate();
// schedule job acquisition
if(!runtimeContainerDelegate.getExecutorService().schedule(acquireJobsRunnable, true)) {
throw new ProcessEngineException("Could not schedule AcquireJobsRunnable for execution.");
}
}
protected void stopExecutingJobs() {
// nothing to do
}
public void executeJobs(List<String> jobIds, ProcessEngineImpl processEngine) {
final RuntimeContainerDelegate runtimeContainerDelegate = getRuntimeContainerDelegate();
final ExecutorService executorService = runtimeContainerDelegate.getExecutorService();
Runnable executeJobsRunnable = executorService.getExecuteJobsRunnable(jobIds, processEngine);
// delegate job execution to runtime container
if(!executorService.schedule(executeJobsRunnable, false)) {
// TODO: if the execution is rejected by the runtime container, execute the rejected jobs handler
// run in caller thread
executeJobsRunnable.run();
}
}
protected RuntimeContainerDelegate getRuntimeContainerDelegate() {
return RuntimeContainerDelegate.INSTANCE.get();
}
}