io.trino.execution.TaskManagementExecutor Maven / Gradle / Ivy
/*
* 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 io.trino.execution;
import io.airlift.concurrent.ThreadPoolExecutorMBean;
import jakarta.annotation.PreDestroy;
import org.weakref.jmx.Managed;
import org.weakref.jmx.Nested;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadPoolExecutor;
import static io.airlift.concurrent.Threads.threadsNamed;
import static java.util.concurrent.Executors.newScheduledThreadPool;
/**
* Holder of {@link ScheduledExecutorService} used for task management.
*/
public final class TaskManagementExecutor
implements AutoCloseable
{
private final ScheduledExecutorService taskManagementExecutor;
private final ThreadPoolExecutorMBean taskManagementExecutorMBean;
public TaskManagementExecutor()
{
taskManagementExecutor = newScheduledThreadPool(5, threadsNamed("task-management-%s"));
taskManagementExecutorMBean = new ThreadPoolExecutorMBean((ThreadPoolExecutor) taskManagementExecutor);
}
@PreDestroy
@Override
public void close()
{
taskManagementExecutor.shutdownNow();
}
public ScheduledExecutorService getExecutor()
{
return taskManagementExecutor;
}
@Managed(description = "Task garbage collector executor")
@Nested
public ThreadPoolExecutorMBean getTaskManagementExecutor()
{
return taskManagementExecutorMBean;
}
}