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java.lang.Objectorg.springframework.integration.util.UpperBound
public final class UpperBound
Thin wrapper around a Semaphore that allows to create a potentially unlimited upper bound to by used in buffers of messages (e.g. a QueueChannel or a MessageStore).
Field Summary | |
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java.util.concurrent.Semaphore |
semaphore
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Constructor Summary | |
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UpperBound(int capacity)
Create an UpperBound with the given capacity. |
Method Summary | |
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int |
availablePermits()
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void |
release()
Releases one lock on the underlying semaphore. |
void |
release(int permits)
Releases several locks on the underlying semaphore. |
boolean |
tryAcquire(long timeoutInMilliseconds)
Acquires a permit from the underlying semaphore if this UpperBound is bounded and returns true if it succeeds within the given timeout. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public final java.util.concurrent.Semaphore semaphore
Constructor Detail |
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public UpperBound(int capacity)
Method Detail |
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public int availablePermits()
public boolean tryAcquire(long timeoutInMilliseconds)
public void release()
public void release(int permits)
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