34 lines
1.1 KiB
Java
34 lines
1.1 KiB
Java
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/*
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* Written by Doug Lea with assistance from members of JCP JSR-166
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* Expert Group and released to the public domain, as explained at
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* http://creativecommons.org/licenses/publicdomain
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*/
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package java.util.concurrent;
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/**
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* A handler for tasks that cannot be executed by a {@link
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* ThreadPoolExecutor}.
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*
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* @since 1.5
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* @author Doug Lea
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*/
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public interface RejectedExecutionHandler {
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/**
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* Method that may be invoked by a {@link ThreadPoolExecutor} when
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* <tt>execute</tt> cannot accept a task. This may occur when no
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* more threads or queue slots are available because their bounds
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* would be exceeded, or upon shutdown of the Executor.
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*
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* In the absence other alternatives, the method may throw an
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* unchecked {@link RejectedExecutionException}, which will be
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* propagated to the caller of <tt>execute</tt>.
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*
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* @param r the runnable task requested to be executed
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* @param executor the executor attempting to execute this task
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* @throws RejectedExecutionException if there is no remedy
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*/
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void rejectedExecution(Runnable r, ThreadPoolExecutor executor);
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}
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