org.apache.lucene.store

Class Lock

public abstract class Lock extends Object

An interprocess mutex lock.

Typical use might look like:

 new Lock.With(directory.makeLock("my.lock")) {
     public Object doBody() {
       ... code to execute while locked ...
     }
   }.run();

Version: $Id: Lock.java,v 1.12 2004/05/11 17:43:28 cutting Exp $

Author: Doug Cutting

See Also: makeLock

Nested Class Summary
abstract static class	Lock.With Utility class for executing code with exclusive access.

Field Summary
static long	LOCK_POLL_INTERVAL

Method Summary
abstract boolean	isLocked() Returns true if the resource is currently locked.
abstract boolean	obtain() Attempts to obtain exclusive access and immediately return upon success or failure.
boolean	obtain(long lockWaitTimeout) Attempts to obtain an exclusive lock within amount of time given.
abstract void	release() Releases exclusive access.