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package java.util.concurrent; |
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/** |
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* A <tt>CyclicBarrier</tt> allows a set threads to all wait for each |
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* other to reach a common barrier point. They are useful in programs |
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* involving a fixed sized party of threads that must occasionally |
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* wait for each other. The barrier is <em>cyclic</em> because it can |
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* be re-used after the waiting threads are released. |
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* A synchronization aid that allows a set threads to all wait for |
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* each other to reach a common barrier point. CyckicBarriers are |
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* useful in programs involving a fixed sized party of threads that |
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* must occasionally wait for each other. The barrier is |
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* <em>cyclic</em> because it can be re-used after the waiting threads |
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* are released. |
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* |
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* <p>A <tt>CyclicBarrier</tt> supports an optional {@link Runnable} command |
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* that is run once per barrier point, after the last thread in the party |
