com.espertech.esper.runtime.client.util

Class LockStrategyWTimeout

java.lang.Object

com.espertech.esper.runtime.client.util.LockStrategyWTimeout

All Implemented Interfaces:

LockStrategy

public class LockStrategyWTimeout
extends java.lang.Object
implements LockStrategy

Obtains the write lock of the runtime-wide event processing read-write lock by trying the lock waiting for the timeout and throwing an exception if the lock was not taken.

Constructor Summary

Constructors

Constructor and Description
LockStrategyWTimeout(long timeout, java.util.concurrent.TimeUnit unit) Ctor.

Method Summary

Modifier and Type	Method and Description
void	acquire(com.espertech.esper.common.internal.util.ManagedReadWriteLock runtimeWideLock) Acquire should acquire the write lock of the provided read-write lock and may retry and backoff or fail.
void	release(com.espertech.esper.common.internal.util.ManagedReadWriteLock runtimeWideLock) Release should release the write lock of the provided read-write lock and should never fail.

Methods inherited from class java.lang.Object

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

Constructor Detail

LockStrategyWTimeout

public LockStrategyWTimeout(long timeout,
                            java.util.concurrent.TimeUnit unit)

Ctor.

Parameters:

timeout - timeout value in the unit given

unit - unit

Method Detail

acquire

public void acquire(com.espertech.esper.common.internal.util.ManagedReadWriteLock runtimeWideLock)
             throws LockStrategyException,
                    java.lang.InterruptedException

Description copied from interface: LockStrategy

Acquire should acquire the write lock of the provided read-write lock and may retry and backoff or fail.

Specified by:

acquire in interface LockStrategy

Parameters:

runtimeWideLock - the runtime-wide event processing read-write lock

Throws:

LockStrategyException - to indicate lock attempt failed

java.lang.InterruptedException - when lock-taking is interrupted

release

public void release(com.espertech.esper.common.internal.util.ManagedReadWriteLock runtimeWideLock)

Description copied from interface: LockStrategy

Release should release the write lock of the provided read-write lock and should never fail.

Specified by:

release in interface LockStrategy

Parameters:

runtimeWideLock - the runtime-wide event processing read-write lock