ConcurrentTaskExecutor (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.scheduling.backportconcurrent
Class ConcurrentTaskExecutor

java.lang.Object
  org.springframework.scheduling.backportconcurrent.ConcurrentTaskExecutor

All Implemented Interfaces:: edu.emory.mathcs.backport.java.util.concurrent.Executor, TaskExecutor, SchedulingTaskExecutor

public class ConcurrentTaskExecutor
extends Object
implements SchedulingTaskExecutor, edu.emory.mathcs.backport.java.util.concurrent.Executor
extends Object
implements SchedulingTaskExecutor, edu.emory.mathcs.backport.java.util.concurrent.Executor

Adapter that takes a JSR-166 backport edu.emory.mathcs.backport.java.util.concurrent.Executor and exposes a Spring TaskExecutor for it.

NOTE: This class implements Spring's TaskExecutor interface as well as the JSR-166 Executor interface, with the former being the primary interface, the other just serving as secondary convenience. For this reason, the exception handling follows the TaskExecutor contract rather than the Executor contract, in particular regarding the TaskRejectedException.

Note that there is a pre-built ThreadPoolTaskExecutor that allows for defining a JSR-166 backport ThreadPoolExecutor in bean style, exposing it as a Spring TaskExecutor directly. This is a convenient alternative to a raw ThreadPoolExecutor definition with a separate definition of the present adapter class.

Since:: 2.0.3
Author:: Juergen Hoeller
See Also:: Executor, ThreadPoolExecutor, Executors, ThreadPoolTaskExecutor

Constructor Summary

ConcurrentTaskExecutor()
          Create a new ConcurrentTaskExecutor, using a single thread executor as default.

ConcurrentTaskExecutor(edu.emory.mathcs.backport.java.util.concurrent.Executor concurrentExecutor)
          Create a new ConcurrentTaskExecutor, using the given JSR-166 backport concurrent executor.

Method Summary

void execute(Runnable task)
          Delegates to the specified JSR-166 backport concurrent executor.

edu.emory.mathcs.backport.java.util.concurrent.Executor getConcurrentExecutor()
          Return the JSR-166 backport concurrent executor that this adapter delegates to.

boolean prefersShortLivedTasks()
          This task executor prefers short-lived work units.

void setConcurrentExecutor(edu.emory.mathcs.backport.java.util.concurrent.Executor concurrentExecutor)
          Specify the JSR-166 backport concurrent executor to delegate to.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Summary
`ConcurrentTaskExecutor()` Create a new ConcurrentTaskExecutor, using a single thread executor as default.
`ConcurrentTaskExecutor(edu.emory.mathcs.backport.java.util.concurrent.Executor concurrentExecutor)` Create a new ConcurrentTaskExecutor, using the given JSR-166 backport concurrent executor.

Method Summary
`void`	`execute(Runnable task)` Delegates to the specified JSR-166 backport concurrent executor.
`edu.emory.mathcs.backport.java.util.concurrent.Executor`	`getConcurrentExecutor()` Return the JSR-166 backport concurrent executor that this adapter delegates to.
`boolean`	`prefersShortLivedTasks()` This task executor prefers short-lived work units.
`void`	`setConcurrentExecutor(edu.emory.mathcs.backport.java.util.concurrent.Executor concurrentExecutor)` Specify the JSR-166 backport concurrent executor to delegate to.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail