org.mapdb

Class Store.MemoryBarrierLessLock

java.lang.Object

org.mapdb.Store.MemoryBarrierLessLock

All Implemented Interfaces:

Lock

Enclosing class:

Store

public static final class Store.MemoryBarrierLessLock
extends Object
implements Lock

Lock which blocks parallel execution, but does not use MemoryBarrier (and does not flush CPU cache)

Field Summary

Fields

Modifier and Type	Field and Description
protected AtomicLong	lockedThread

Constructor Summary

Constructors

Constructor and Description
Store.MemoryBarrierLessLock()

Method Summary

Methods

Modifier and Type	Method and Description
void	lock()
void	lockInterruptibly()
Condition	newCondition()
boolean	tryLock()
boolean	tryLock(long time, TimeUnit unit)
void	unlock()

Methods inherited from class java.lang.Object

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

Field Detail

lockedThread

protected final AtomicLong lockedThread

Constructor Detail

Store.MemoryBarrierLessLock

public Store.MemoryBarrierLessLock()

Method Detail

lock

public void lock()

Specified by:

lock in interface Lock

lockInterruptibly

public void lockInterruptibly()
                       throws InterruptedException

Specified by:

lockInterruptibly in interface Lock

Throws:

InterruptedException

tryLock

public boolean tryLock()

Specified by:

tryLock in interface Lock

tryLock

public boolean tryLock(long time,
              TimeUnit unit)
                throws InterruptedException

Specified by:

tryLock in interface Lock

Throws:

InterruptedException

unlock

public void unlock()

Specified by:

unlock in interface Lock

newCondition

public Condition newCondition()

Specified by:

newCondition in interface Lock