org.neo4j.kernel.ha
Class SlaveLockManager

java.lang.Object
  org.neo4j.kernel.impl.transaction.LockManager
      org.neo4j.kernel.ha.SlaveLockManager

public class SlaveLockManager
extends LockManager

Nested Class Summary

static class

SlaveLockManager.SlaveLockManagerFactory

Constructor Summary

SlaveLockManager(TransactionManager tm, TxHook txHook, Broker broker, ResponseReceiver receiver)

Method Summary

void	getReadLock(Object resource) Tries to acquire read lock on resource for the current transaction.
void	getWriteLock(Object resource) Tries to acquire write lock on resource for the current transaction.

Methods inherited from class org.neo4j.kernel.impl.transaction.LockManager

dumpAllLocks, dumpLocksOnResource, dumpRagStack, getDetectedDeadlockCount, releaseReadLock, releaseWriteLock

Methods inherited from class java.lang.Object

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

Constructor Detail

SlaveLockManager

public SlaveLockManager(TransactionManager tm,
                        TxHook txHook,
                        Broker broker,
                        ResponseReceiver receiver)

Method Detail

getReadLock

public void getReadLock(Object resource)
                 throws DeadlockDetectedException,
                        IllegalResourceException

Description copied from class: LockManager

Tries to acquire read lock on resource for the current transaction. If read lock can't be acquired the transaction will wait for the lransaction until it can acquire it. If waiting leads to dead lock a DeadlockDetectedException will be thrown.

Overrides:

getReadLock in class LockManager

Parameters:

resource - The resource

Throws:

DeadlockDetectedException - If a deadlock is detected

IllegalResourceException

getWriteLock

public void getWriteLock(Object resource)
                  throws DeadlockDetectedException,
                         IllegalResourceException

Description copied from class: LockManager

Tries to acquire write lock on resource for the current transaction. If write lock can't be acquired the transaction will wait for the lock until it can acquire it. If waiting leads to dead lock a DeadlockDetectedException will be thrown.

Overrides:

getWriteLock in class LockManager

Parameters:

resource - The resource

Throws:

DeadlockDetectedException - If a deadlock is detected

IllegalResourceException