spring SyncTaskExecutor 源码
spring SyncTaskExecutor 代码
文件路径：/spring-core/src/main/java/org/springframework/core/task/SyncTaskExecutor.java
/*
* Copyright 2002-2012 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.core.task;
import java.io.Serializable;
import org.springframework.util.Assert;
/**
* {@link TaskExecutor} implementation that executes each task <i>synchronously</i>
* in the calling thread.
*
* <p>Mainly intended for testing scenarios.
*
* <p>Execution in the calling thread does have the advantage of participating
* in its thread context, for example the thread context class loader or the
* thread's current transaction association. That said, in many cases,
* asynchronous execution will be preferable: choose an asynchronous
* {@code TaskExecutor} instead for such scenarios.
*
* @author Juergen Hoeller
* @since 2.0
* @see SimpleAsyncTaskExecutor
*/
@SuppressWarnings("serial")
public class SyncTaskExecutor implements TaskExecutor, Serializable {
/**
* Executes the given {@code task} synchronously, through direct
* invocation of it's {@link Runnable#run() run()} method.
* @throws IllegalArgumentException if the given {@code task} is {@code null}
*/
@Override
public void execute(Runnable task) {
Assert.notNull(task, "Runnable must not be null");
task.run();
}
}
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