org.neo4j.kernel
Class StoreLocker

java.lang.Object
  org.neo4j.kernel.StoreLocker

public class StoreLocker
extends Object

Field Summary

static String

STORE_LOCK_FILENAME

Constructor Summary

StoreLocker(org.neo4j.kernel.impl.nioneo.store.FileSystemAbstraction fileSystemAbstraction)

Method Summary

void	checkLock(File storeDir) Obtains lock on store file so that we can ensure the store is not shared between database instances Creates store dir if necessary, creates store lock file if necessary
void	release()

Methods inherited from class java.lang.Object

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

Field Detail

STORE_LOCK_FILENAME

public static final String STORE_LOCK_FILENAME

See Also:

Constant Field Values

Constructor Detail

StoreLocker

public StoreLocker(org.neo4j.kernel.impl.nioneo.store.FileSystemAbstraction fileSystemAbstraction)

Method Detail

checkLock

public void checkLock(File storeDir)
               throws StoreLockException

Obtains lock on store file so that we can ensure the store is not shared between database instances

Creates store dir if necessary, creates store lock file if necessary

Throws:

StoreLockException - if lock could not be acquired

release

public void release()
             throws IOException

Throws:

IOException