Package com.graphhopper.storage

Class SimpleFSLockFactory

java.lang.Object

com.graphhopper.storage.SimpleFSLockFactory

All Implemented Interfaces:

LockFactory

public class SimpleFSLockFactory
extends Object
implements LockFactory

Creates a write lock file. Influenced by Lucene code

Author:

Peter Karich

Constructor Summary

Constructors

Constructor	Description
SimpleFSLockFactory()
SimpleFSLockFactory(File dir)

Method Summary

Modifier and Type	Method	Description
GHLock	create(String fileName, boolean writeAccess)	This creates a file for write or read locks depending on the specified writeAccess property.
void	forceRemove(String fileName, boolean writeAccess)	Removes the specified lock.
void	setLockDir(File lockDir)

Methods inherited from class java.lang.Object

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

Constructor Details

SimpleFSLockFactory

public SimpleFSLockFactory()

SimpleFSLockFactory

public SimpleFSLockFactory(File dir)

Method Details

setLockDir

public void setLockDir(File lockDir)

Specified by:

setLockDir in interface LockFactory

create

public GHLock create(String fileName,
 boolean writeAccess)

Description copied from interface: LockFactory

This creates a file for write or read locks depending on the specified writeAccess property. Important note: even for read locks we need write access to the underlying filesystem in order to avoid writes from other processes.

Specified by:

create in interface LockFactory

forceRemove

public void forceRemove(String fileName,
 boolean writeAccess)

Description copied from interface: LockFactory

Removes the specified lock. Note: on windows we cannot forcefully remove an unreleased native lock

Specified by:

forceRemove in interface LockFactory