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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 ThreadPoolExecutor}. |
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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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* |
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* @spec JSR-166 |
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* @revised $Date$ |
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* @editor $Author$ |
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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 invoked by <tt>ThreadPoolExecutor</tt> when |
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* <tt>execute</tt> cannot submit a task. This may occur when no |
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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 <tt>RejectedExecutionException</tt>, which will be |
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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 |
