spring SimpleThreadPoolTaskExecutor 源码

spring SimpleThreadPoolTaskExecutor 代码

文件路径：/spring-context-support/src/main/java/org/springframework/scheduling/quartz/SimpleThreadPoolTaskExecutor.java

/*
 * Copyright 2002-2022 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.scheduling.quartz;

import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;

import org.quartz.SchedulerConfigException;
import org.quartz.simpl.SimpleThreadPool;

import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.task.AsyncListenableTaskExecutor;
import org.springframework.scheduling.SchedulingException;
import org.springframework.scheduling.SchedulingTaskExecutor;
import org.springframework.util.Assert;
import org.springframework.util.concurrent.ListenableFuture;
import org.springframework.util.concurrent.ListenableFutureTask;

/**
 * Subclass of Quartz's SimpleThreadPool that implements Spring's
 * {@link org.springframework.core.task.TaskExecutor} interface
 * and listens to Spring lifecycle callbacks.
 *
 * <p>Can be shared between a Quartz Scheduler (specified as "taskExecutor")
 * and other TaskExecutor users, or even used completely independent of
 * a Quartz Scheduler (as plain TaskExecutor backend).
 *
 * @author Juergen Hoeller
 * @since 2.0
 * @see org.quartz.simpl.SimpleThreadPool
 * @see org.springframework.core.task.TaskExecutor
 * @see SchedulerFactoryBean#setTaskExecutor
 */
@SuppressWarnings("deprecation")
public class SimpleThreadPoolTaskExecutor extends SimpleThreadPool
		implements AsyncListenableTaskExecutor, SchedulingTaskExecutor, InitializingBean, DisposableBean {

	private boolean waitForJobsToCompleteOnShutdown = false;


	/**
	 * Set whether to wait for running jobs to complete on shutdown.
	 * Default is "false".
	 * @see org.quartz.simpl.SimpleThreadPool#shutdown(boolean)
	 */
	public void setWaitForJobsToCompleteOnShutdown(boolean waitForJobsToCompleteOnShutdown) {
		this.waitForJobsToCompleteOnShutdown = waitForJobsToCompleteOnShutdown;
	}

	@Override
	public void afterPropertiesSet() throws SchedulerConfigException {
		initialize();
	}


	@Override
	public void execute(Runnable task) {
		Assert.notNull(task, "Runnable must not be null");
		if (!runInThread(task)) {
			throw new SchedulingException("Quartz SimpleThreadPool already shut down");
		}
	}

	@Deprecated
	@Override
	public void execute(Runnable task, long startTimeout) {
		execute(task);
	}

	@Override
	public Future<?> submit(Runnable task) {
		FutureTask<Object> future = new FutureTask<>(task, null);
		execute(future);
		return future;
	}

	@Override
	public <T> Future<T> submit(Callable<T> task) {
		FutureTask<T> future = new FutureTask<>(task);
		execute(future);
		return future;
	}

	@Override
	public ListenableFuture<?> submitListenable(Runnable task) {
		ListenableFutureTask<Object> future = new ListenableFutureTask<>(task, null);
		execute(future);
		return future;
	}

	@Override
	public <T> ListenableFuture<T> submitListenable(Callable<T> task) {
		ListenableFutureTask<T> future = new ListenableFutureTask<>(task);
		execute(future);
		return future;
	}


	@Override
	public void destroy() {
		shutdown(this.waitForJobsToCompleteOnShutdown);
	}

}

相关信息

spring 源码目录

相关文章

spring AdaptableJobFactory 源码

spring CronTriggerFactoryBean 源码

spring DelegatingJob 源码

spring JobDetailFactoryBean 源码

spring JobMethodInvocationFailedException 源码

spring LocalDataSourceJobStore 源码

spring LocalTaskExecutorThreadPool 源码

spring MethodInvokingJobDetailFactoryBean 源码

spring QuartzJobBean 源码

spring ResourceLoaderClassLoadHelper 源码