org.spf4j.concurrent

Class FileBasedLock

java.lang.Object

org.spf4j.concurrent.FileBasedLock

All Implemented Interfaces:

Closeable, AutoCloseable, Lock

public final class FileBasedLock
extends Object
implements Lock, Closeable

File based Lock implementation, that can be used as IPC method.

Author:

zoly

Field Summary

Fields

Modifier and Type	Field and Description
static Map<String,Lock>	JVM_LOCKS

Constructor Summary

Constructors

Constructor and Description
FileBasedLock(File lockFile)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected void	finalize()
void	lock()
void	lockInterruptibly()
Condition	newCondition()
boolean	tryLock()
boolean	tryLock(long time, TimeUnit unit)
void	unlock()

Methods inherited from class java.lang.Object

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

Field Detail

JVM_LOCKS

public static final Map<String,Lock> JVM_LOCKS

Constructor Detail

FileBasedLock

public FileBasedLock(File lockFile)
              throws FileNotFoundException

Throws:

FileNotFoundException

Method Detail

lock

public void lock()

Specified by:

lock in interface Lock

lockInterruptibly

public void lockInterruptibly()
                       throws InterruptedException

Specified by:

lockInterruptibly in interface Lock

Throws:

InterruptedException

tryLock

public boolean tryLock()

Specified by:

tryLock in interface Lock

tryLock

public boolean tryLock(long time,
              TimeUnit unit)
                throws InterruptedException

Specified by:

tryLock in interface Lock

Throws:

InterruptedException

unlock

public void unlock()

Specified by:

unlock in interface Lock

newCondition

public Condition newCondition()

Specified by:

newCondition in interface Lock

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException