org.tmatesoft.sqljet.core.internal.mutex

Class SqlJetMutex

java.lang.Object

org.tmatesoft.sqljet.core.internal.mutex.SqlJetMutex

All Implemented Interfaces:

ISqlJetMutex

public class SqlJetMutex
extends java.lang.Object
implements ISqlJetMutex

Author:

TMate Software Ltd., Sergey Scherbina (sergey.scherbina@gmail.com)

Constructor Summary

Constructors

Constructor and Description
SqlJetMutex()

Method Summary

Modifier and Type	Method and Description
boolean	attempt() Locks mutex if it is unlocked and return true.
void	enter() Locks mutex.
boolean	held() Check mutex locking status.
void	leave() Unlocks mutex.

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlJetMutex

public SqlJetMutex()

Method Detail

attempt

public boolean attempt()

Description copied from interface: ISqlJetMutex

Locks mutex if it is unlocked and return true. Otherwise just return false. This method doesn't wait.

Specified by:

attempt in interface ISqlJetMutex

Returns:

true if this method locked mutex or false if mutex was already locked by other thread.

enter

public void enter()

Description copied from interface: ISqlJetMutex

Locks mutex. If mutex is locked then this method waits while it will unlock.

Specified by:

enter in interface ISqlJetMutex

held

public boolean held()

Description copied from interface: ISqlJetMutex

Check mutex locking status.

Specified by:

held in interface ISqlJetMutex

Returns:

true if mutex is locked or false if mutex is unlocked.

leave

public void leave()

Description copied from interface: ISqlJetMutex

Unlocks mutex.

Specified by:

leave in interface ISqlJetMutex