psiprobe.tools

Class UpdateCommitLock

java.lang.Object

psiprobe.tools.UpdateCommitLock

public class UpdateCommitLock
extends Object

Simple update-commit lock. This implementation assumes that unlimited number of updates can happen concurrently. However if commit is in progress any update must wait for it to end. Likewise commits must wait for any updates to finish before acquiring the lock.

Commits themselves are not synchronized. It is allowed for two commits to run concurrently.

Constructor Summary

Constructors

Constructor and Description
UpdateCommitLock()

Method Summary

Modifier and Type	Method and Description
void	lockForCommit() Lock for commit.
void	lockForUpdate() Lock for update.
void	releaseCommitLock() Release commit lock.
void	releaseUpdateLock() Release update lock.

Methods inherited from class java.lang.Object

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

Constructor Detail

UpdateCommitLock

public UpdateCommitLock()

Method Detail

lockForUpdate

public void lockForUpdate()
                   throws InterruptedException

Lock for update.

Throws:

InterruptedException - the interrupted exception

releaseUpdateLock

public void releaseUpdateLock()

Release update lock.

lockForCommit

public void lockForCommit()
                   throws InterruptedException

Lock for commit.

Throws:

InterruptedException - the interrupted exception

releaseCommitLock

public void releaseCommitLock()

Release commit lock.