compact1, compact2, compact3
java.util.concurrent
Interface RejectedExecutionHandler
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- All Known Implementing Classes:
- ThreadPoolExecutor.AbortPolicy, ThreadPoolExecutor.CallerRunsPolicy, ThreadPoolExecutor.DiscardOldestPolicy, ThreadPoolExecutor.DiscardPolicy
public interface RejectedExecutionHandlerA handler for tasks that cannot be executed by aThreadPoolExecutor.- Since:
- 1.5
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description voidrejectedExecution(Runnable r, ThreadPoolExecutor executor)Method that may be invoked by aThreadPoolExecutorwhenexecutecannot accept a task.
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Method Detail
rejectedExecution
void rejectedExecution(Runnable r, ThreadPoolExecutor executor)
Method that may be invoked by aThreadPoolExecutorwhenexecutecannot accept a task. This may occur when no more threads or queue slots are available because their bounds would be exceeded, or upon shutdown of the Executor.In the absence of other alternatives, the method may throw an unchecked
RejectedExecutionException, which will be propagated to the caller ofexecute.- Parameters:
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r- the runnable task requested to be executed -
executor- the executor attempting to execute this task - Throws:
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RejectedExecutionException- if there is no remedy
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