com.espertech.esper.client.deploy

Class DeploymentLockStrategyDefault

java.lang.Object

com.espertech.esper.client.deploy.DeploymentLockStrategyDefault

All Implemented Interfaces:

DeploymentLockStrategy

public class DeploymentLockStrategyDefault
extends Object
implements DeploymentLockStrategy

Obtains the write lock of the engine-wide event processing read-write lock by simply blocking until the lock was obtained.

Field Summary

Fields

Modifier and Type	Field and Description
static DeploymentLockStrategyDefault	INSTANCE

Method Summary

Modifier and Type	Method and Description
void	acquire(ManagedReadWriteLock engineWideLock) Acquire should acquire the write lock of the provided read-write lock and may retry and backoff or fail.
void	release(ManagedReadWriteLock engineWideLock) 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

Field Detail

INSTANCE

public static final DeploymentLockStrategyDefault INSTANCE

Method Detail

acquire

public void acquire(ManagedReadWriteLock engineWideLock)
             throws DeploymentLockException

Description copied from interface: DeploymentLockStrategy

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

Specified by:

acquire in interface DeploymentLockStrategy

Parameters:

engineWideLock - the engine-wide event processing read-write lock

Throws:

DeploymentLockException - to indicate lock attempt failed

release

public void release(ManagedReadWriteLock engineWideLock)

Description copied from interface: DeploymentLockStrategy

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

Specified by:

release in interface DeploymentLockStrategy

Parameters:

engineWideLock - the engine-wide event processing read-write lock