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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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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import java.util.concurrent.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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/** |
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* A computation that is broken into a series of task executions, each |
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* separated by a Phaser arrival. Concrete subclasses must |
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* define method <tt>compute</tt>, that performs the action occurring |
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* define method {@code compute}, that performs the action occurring |
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* at each step of the barrier. Upon invocation of this task, the |
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* <tt>compute</tt> method is repeatedly invoked until the barrier |
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* <tt>isTerminated</tt> or until its execution throws an exception. |
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* {@code compute} method is repeatedly invoked until the barrier |
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* {@code isTerminated} or until its execution throws an exception. |
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* |
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* <p> <b>Sample Usage.</b> Here is a sketch of a set of CyclicActions |
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* <p><b>Sample Usage.</b> Here is a sketch of a set of CyclicActions |
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* that each perform 500 iterations of an imagined image smoothing |
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* operation. Note that the aggregate ImageSmoother task itself is not |
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* a CyclicTask. |