de.tsl2.nano.util

Class FileLock

java.lang.Object

de.tsl2.nano.util.FileLock

public class FileLock
extends Object

Creates an exclusive lock using the NIO channel functionality.

Version:

$Revision$

Author:

egu

Field Summary

Fields

Modifier and Type	Field and Description
protected static Log	LOG

Constructor Summary

Constructors

Constructor and Description
FileLock()

Method Summary

Modifier and Type	Method and Description
boolean	lock(String dir, String file)
void	releaseLock() Release a possibly existing lock.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final Log LOG

Constructor Detail

FileLock

public FileLock()

Method Detail

lock

public boolean lock(String dir,
                    String file)
             throws IOException

Parameters:

dir - directory for file lock

file - lock file name

Returns:

true, if lock was free

Throws:

IOException - if lock couldn't be done

releaseLock

public void releaseLock()

Release a possibly existing lock.