Package com.webmethods.locks

Class BasicJMSLockManager

java.lang.Object

com.webmethods.locks.BasicJMSLockManager

All Implemented Interfaces:

LockManager

public class BasicJMSLockManager
extends java.lang.Object
implements LockManager

BasicLockManager implementation.

Method Summary

Modifier and Type	Method	Description
static BasicJMSLockManager	getInstance()	Get an instance of the BasicJMSLockManager
void	releaseObjectReadLock(Node node)	Releases the read lock on the object.
void	releaseObjectWriteLock(Node node, int writeUpwards)	Releases the write lock on the node.
void	takeObjectReadLock(Node node)	Takes the read lock on the node.
void	takeObjectWriteLock(Node node, int writeUpwards)	Takes the write lock on the node.
void	tryReleaseObjectReadLock(Node node)	Tries to release the read lock on the object.
boolean	tryTakeObjectReadLock(Node node)	Tries to take the read lock on the node.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static BasicJMSLockManager getInstance()

Get an instance of the BasicJMSLockManager

takeObjectWriteLock

public void takeObjectWriteLock(Node node,
                                int writeUpwards)

Description copied from interface: LockManager

Takes the write lock on the node.

Specified by:

takeObjectWriteLock in interface LockManager

releaseObjectWriteLock

public void releaseObjectWriteLock(Node node,
                                   int writeUpwards)

Description copied from interface: LockManager

Releases the write lock on the node.

Specified by:

releaseObjectWriteLock in interface LockManager

takeObjectReadLock

public void takeObjectReadLock(Node node)

Description copied from interface: LockManager

Takes the read lock on the node.

Specified by:

takeObjectReadLock in interface LockManager

releaseObjectReadLock

public void releaseObjectReadLock(Node node)

Description copied from interface: LockManager

Releases the read lock on the object.

Specified by:

releaseObjectReadLock in interface LockManager

tryTakeObjectReadLock

public boolean tryTakeObjectReadLock(Node node)

Tries to take the read lock on the node. If lock is not available returns immediately.

Specified by:

tryTakeObjectReadLock in interface LockManager

Parameters:

node -

tryReleaseObjectReadLock

public void tryReleaseObjectReadLock(Node node)

Tries to release the read lock on the object.

Specified by:

tryReleaseObjectReadLock in interface LockManager

Parameters:

node -