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package java.util.concurrent; |
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/** |
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* Indicates that the result of a value-producing task, such as a |
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* {@link FutureTask}, cannot be retrieved because the task was cancelled. |
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* Exception indicating that the result of a value-producing {@link |
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* Cancellable} task, such as a {@link FutureTask}, cannot be |
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* retrieved because the task was cancelled. |
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* |
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* @since 1.5 |
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* @see Cancellable |
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* @see FutureTask#get |
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* @see FutureTask#get(long, TimeUnit) |
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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 class CancellationException extends IllegalStateException { |