com.sleepycat.je.rep.utilint

Class RepUtils.ExceptionAwareCountDownLatch

java.lang.Object

java.util.concurrent.CountDownLatch

com.sleepycat.je.rep.utilint.RepUtils.ExceptionAwareCountDownLatch

Enclosing class:

RepUtils

public static class RepUtils.ExceptionAwareCountDownLatch
extends CountDownLatch

Like CountDownLatch, but makes provision in the await for the await, or more specifically the new awaitOrException method to be exited via an exception.

Constructor Summary

Constructors

Constructor and Description
ExceptionAwareCountDownLatch(EnvironmentImpl envImpl, int count)

Method Summary

Modifier and Type	Method and Description
boolean	await(long timeout, TimeUnit unit) Deprecated.
void	awaitOrException()
boolean	awaitOrException(long timeout, TimeUnit unit) Blocks, waiting for the latch to count down to zero, or until an Exception is provided.
void	releaseAwait(Exception e) The method used to free an await, ensuring that it throws an exception at the awaitOrException.

Methods inherited from class java.util.concurrent.CountDownLatch

await, countDown, getCount, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ExceptionAwareCountDownLatch

public ExceptionAwareCountDownLatch(EnvironmentImpl envImpl,
                                    int count)

Method Detail

releaseAwait

public void releaseAwait(Exception e)

The method used to free an await, ensuring that it throws an exception at the awaitOrException.

Parameters:

e - the exception to be wrapped in a DatabaseException and thrown.

awaitOrException

public boolean awaitOrException(long timeout,
                                TimeUnit unit)
                         throws InterruptedException,
                                DatabaseException

Blocks, waiting for the latch to count down to zero, or until an Exception is provided. The exception is thrown in every thread that is waiting in this method.

Throws:

InterruptedException

DatabaseException

See Also:

releaseAwait(java.lang.Exception)

awaitOrException

public void awaitOrException()
                      throws InterruptedException,
                             DatabaseException

Throws:

InterruptedException

DatabaseException

await

@Deprecated
public boolean await(long timeout,
                                 TimeUnit unit)

Deprecated.

DO NOT use this method. Use awaitOrException instead, so that any outstanding exceptions are thrown.

Overrides:

await in class CountDownLatch