Class LockFromFile

java.lang.Object

org.aksw.commons.lock.LockBase

org.aksw.commons.lock.LockBaseRepeat

org.aksw.commons.lock.db.impl.LockFromFile

All Implemented Interfaces:

Lock

public class LockFromFile
extends LockBaseRepeat

Field Summary

Fields

Modifier and Type	Field	Description
protected ThrowingConsumer<? super Path>	fileCreator
protected Path	path

Constructor Summary

Constructors

Constructor	Description
LockFromFile(Path path)
LockFromFile(Path path, ThrowingConsumer<Path> fileCreator)

Method Summary

Modifier and Type	Method	Description
Path	getPath()
boolean	singleLockAttempt()	First, attempt to create the process lock file.
void	unlock()

Methods inherited from class LockBaseRepeat

tryLock, tryLockActual

Methods inherited from class LockBase

lock, lockInterruptibly, newCondition, tryLock

Methods inherited from class Object

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

Field Details

path

protected Path path

fileCreator

protected ThrowingConsumer<? super Path> fileCreator

Constructor Details

LockFromFile

public LockFromFile(Path path)

LockFromFile

public LockFromFile(Path path,
 ThrowingConsumer<Path> fileCreator)

Method Details

getPath

public Path getPath()

singleLockAttempt

public boolean singleLockAttempt()
                          throws InterruptedException

First, attempt to create the process lock file. If the manager already owns it then this step succeeds immediately without further waiting. Afterwards, attempt to get the thread lock

Specified by:

singleLockAttempt in class LockBaseRepeat

Throws:

InterruptedException

unlock

public void unlock()