com.orientechnologies.common.concur.lock

Class OAdaptiveLock

java.lang.Object

com.orientechnologies.common.concur.lock.OAbstractLock

com.orientechnologies.common.concur.lock.OAdaptiveLock

All Implemented Interfaces:

OLock

Direct Known Subclasses:

ODatabasePoolAbstract

public class OAdaptiveLock
extends OAbstractLock

Adaptive class to handle shared resources. It's configurable specifying if it's running in a concurrent environment and allow o specify a maximum timeout to avoid deadlocks.

Author:

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	close()
ReentrantLock	getUnderlying()
boolean	isConcurrent()
boolean	isHeldByCurrentThread()
void	lock()
boolean	tryAcquireLock()
boolean	tryAcquireLock(long iTimeout, TimeUnit iUnit)
void	unlock()

Methods inherited from class com.orientechnologies.common.concur.lock.OAbstractLock

callInLock

Methods inherited from class java.lang.Object

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

Constructor Detail

OAdaptiveLock

public OAdaptiveLock()

OAdaptiveLock

public OAdaptiveLock(int iTimeout)

OAdaptiveLock

public OAdaptiveLock(boolean iConcurrent)

OAdaptiveLock

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

Method Detail

lock

public void lock()

tryAcquireLock

public boolean tryAcquireLock()

tryAcquireLock

public boolean tryAcquireLock(long iTimeout,
                              TimeUnit iUnit)

unlock

public void unlock()

close

public void close()

isConcurrent

public boolean isConcurrent()

getUnderlying

public ReentrantLock getUnderlying()

isHeldByCurrentThread

public boolean isHeldByCurrentThread()