Class LockableFile.NioFileLock

java.lang.Object

net.adoptopenjdk.icedteaweb.lockingfile.LockableFile.NioFileLock

All Implemented Interfaces:

LockableFile.InterProcessLock

Enclosing class:

LockableFile

private class LockableFile.NioFileLock
extends Object
implements LockableFile.InterProcessLock

This is the recommended way to lock a file system wide (across multiple processes).

Unfortunately this causes problems during unlocking in Windows. https://bugs.java.com/bugdatabase/view_bug.do?bug_id=4715154

Field Summary

Fields

Modifier and Type	Field	Description
private FileChannel	fileChannel
private FileLock	fileLock
private RandomAccessFile	randomAccessFile

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NioFileLock()

Method Summary

Modifier and Type	Method	Description
void	lock()
boolean	tryLock()
void	unlock()

Methods inherited from class Object

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

Field Details

randomAccessFile

private RandomAccessFile randomAccessFile

fileChannel

private FileChannel fileChannel

fileLock

private FileLock fileLock

Constructor Details

NioFileLock

private NioFileLock()

Method Details

lock

public void lock()
          throws IOException

Specified by:

lock in interface LockableFile.InterProcessLock

Throws:

IOException

tryLock

public boolean tryLock()
                throws IOException

Specified by:

tryLock in interface LockableFile.InterProcessLock

Throws:

IOException

unlock

public void unlock()
            throws IOException

Specified by:

unlock in interface LockableFile.InterProcessLock

Throws:

IOException