com.orientechnologies.common.concur.resource

Class OSharedResourceAdaptiveExternal

java.lang.Object

com.orientechnologies.common.concur.resource.OSharedResourceAdaptive

com.orientechnologies.common.concur.resource.OSharedResourceAdaptiveExternal

All Implemented Interfaces:

OSharedResource

Direct Known Subclasses:

OLuceneIndexEngineAbstract

public class OSharedResourceAdaptiveExternal
extends OSharedResourceAdaptive
implements OSharedResource

Optimize locks since they are enabled only when the engine runs in MULTI-THREADS mode.

Author:

Luca Garulli (l.garulli--(at)--orientdb.com)

Constructor Summary

Constructors

Constructor and Description
OSharedResourceAdaptiveExternal(boolean iConcurrent, int iTimeout, boolean ignoreThreadInterruption)

Method Summary

Modifier and Type	Method and Description
void	acquireExclusiveLock()
void	acquireSharedLock()
void	releaseExclusiveLock()
void	releaseSharedLock()
boolean	tryAcquireExclusiveLock()
boolean	tryAcquireSharedLock()

Methods inherited from class com.orientechnologies.common.concur.resource.OSharedResourceAdaptive

addUser, assertExclusiveLockHold, assertSharedLockHold, getUsers, isConcurrent, removeUser

Methods inherited from class java.lang.Object

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

Constructor Detail

OSharedResourceAdaptiveExternal

public OSharedResourceAdaptiveExternal(boolean iConcurrent,
                                       int iTimeout,
                                       boolean ignoreThreadInterruption)

Method Detail

acquireExclusiveLock

public void acquireExclusiveLock()

Specified by:

acquireExclusiveLock in interface OSharedResource

Overrides:

acquireExclusiveLock in class OSharedResourceAdaptive

tryAcquireExclusiveLock

public boolean tryAcquireExclusiveLock()

Overrides:

tryAcquireExclusiveLock in class OSharedResourceAdaptive

acquireSharedLock

public void acquireSharedLock()

Specified by:

acquireSharedLock in interface OSharedResource

Overrides:

acquireSharedLock in class OSharedResourceAdaptive

tryAcquireSharedLock

public boolean tryAcquireSharedLock()

Overrides:

tryAcquireSharedLock in class OSharedResourceAdaptive

releaseExclusiveLock

public void releaseExclusiveLock()

Specified by:

releaseExclusiveLock in interface OSharedResource

Overrides:

releaseExclusiveLock in class OSharedResourceAdaptive

releaseSharedLock

public void releaseSharedLock()

Specified by:

releaseSharedLock in interface OSharedResource

Overrides:

releaseSharedLock in class OSharedResourceAdaptive