Package com.espertech.esper.runtime.client.util

Class LockStrategyNone

java.lang.Object

com.espertech.esper.runtime.client.util.LockStrategyNone

All Implemented Interfaces:

LockStrategy

public class LockStrategyNone
extends Object
implements LockStrategy

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

Field Summary

Fields

Modifier and Type	Field	Description
static final LockStrategyNone	INSTANCE	Instance of a lock strategy that does not obtain a lock.

Method Summary

Modifier and Type	Method	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

Field Details

INSTANCE

public static final LockStrategyNone INSTANCE

Instance of a lock strategy that does not obtain a lock.

Method Details

acquire

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

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

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