spring SchedulingAwareRunnable 源码
spring SchedulingAwareRunnable 代码
文件路径：/spring-context/src/main/java/org/springframework/scheduling/SchedulingAwareRunnable.java
/*
* Copyright 2002-2021 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;
/**
* Extension of the {@link Runnable} interface, adding special callbacks
* for long-running operations.
*
* <p>Scheduling-capable TaskExecutors are encouraged to check a submitted
* Runnable, detecting whether this interface is implemented and reacting
* as appropriately as they are able to.
*
* @author Juergen Hoeller
* @since 2.0
* @see org.springframework.core.task.TaskExecutor
* @see SchedulingTaskExecutor
*/
public interface SchedulingAwareRunnable extends Runnable {
/**
* Return whether the Runnable's operation is long-lived
* ({@code true}) versus short-lived ({@code false}).
* <p>In the former case, the task will not allocate a thread from the thread
* pool (if any) but rather be considered as long-running background thread.
* <p>This should be considered a hint. Of course TaskExecutor implementations
* are free to ignore this flag and the SchedulingAwareRunnable interface overall.
*/
boolean isLongLived();
}
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