org.jboss.tm
Class TransactionLocalDelegateImpl

java.lang.Object
  org.jboss.tm.TransactionLocalDelegateImpl

All Implemented Interfaces:

TransactionLocalDelegate

public class TransactionLocalDelegateImpl
extends Object
implements TransactionLocalDelegate

An implementation of the transaction local implementation using Transaction synchronizations. There is one of these per transaction local

Version:

$Revision: 37459 $

Author:

Adrian Brock

Nested Class Summary

protected static class

TransactionLocalDelegateImpl.TransactionLocalSynchronization

Field Summary

protected TransactionManager	manager The transaction manager
protected static ConcurrentHashMap<Transaction,TransactionLocalDelegateImpl.TransactionLocalSynchronization>	synchronizationsByTransaction The synchronizations for each transaction

Constructor Summary

TransactionLocalDelegateImpl(TransactionManager manager)
Construct a new delegate for the given transaction manager

Method Summary

boolean	containsValue(TransactionLocal local, Transaction tx) does Transaction contain object?
protected static TransactionLocalDelegateImpl.TransactionLocalSynchronization	getSynchronization(Transaction tx, boolean create) Retrieve a synchronization for the transaction
Object	getValue(TransactionLocal local, Transaction tx) get the transaction local value.
void	lock(TransactionLocal local, Transaction tx) Lock the transaction local in the context of this transaction
protected static void	removeSynchronization(Transaction tx) Remove a synchronization
void	storeValue(TransactionLocal local, Transaction tx, Object value) put the value in the transaction local
void	unlock(TransactionLocal local, Transaction tx) Unlock the transaction local in the context of this transaction

Methods inherited from class java.lang.Object

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

Field Detail

manager

protected TransactionManager manager

The transaction manager

synchronizationsByTransaction

protected static ConcurrentHashMap<Transaction,TransactionLocalDelegateImpl.TransactionLocalSynchronization> synchronizationsByTransaction

The synchronizations for each transaction

Constructor Detail

TransactionLocalDelegateImpl

public TransactionLocalDelegateImpl(TransactionManager manager)

Construct a new delegate for the given transaction manager

Parameters:

manager - the transaction manager

Method Detail

getSynchronization

protected static TransactionLocalDelegateImpl.TransactionLocalSynchronization getSynchronization(Transaction tx,
                                                                                                 boolean create)

Retrieve a synchronization for the transaction

Parameters:

tx - the transaction

create - whether to create a synchronization if one doesn't exist

Returns:

the synchronization

removeSynchronization

protected static void removeSynchronization(Transaction tx)

Remove a synchronization

Parameters:

tx - the transaction to remove

lock

public void lock(TransactionLocal local,
                 Transaction tx)
          throws InterruptedException

Description copied from interface: TransactionLocalDelegate

Lock the transaction local in the context of this transaction

Specified by:

lock in interface TransactionLocalDelegate

Parameters:

local - the transaction local

tx - the transcation

Throws:

InterruptedException - if the thread is interrupted

unlock

public void unlock(TransactionLocal local,
                   Transaction tx)

Description copied from interface: TransactionLocalDelegate

Unlock the transaction local in the context of this transaction

Specified by:

unlock in interface TransactionLocalDelegate

Parameters:

local - the transaction local

tx - the transcation

getValue

public Object getValue(TransactionLocal local,
                       Transaction tx)

Description copied from interface: TransactionLocalDelegate

get the transaction local value.

Specified by:

getValue in interface TransactionLocalDelegate

Parameters:

local - the transaction local

tx - the transcation

Returns:

the value

storeValue

public void storeValue(TransactionLocal local,
                       Transaction tx,
                       Object value)

Description copied from interface: TransactionLocalDelegate

put the value in the transaction local

Specified by:

storeValue in interface TransactionLocalDelegate

Parameters:

local - the transaction local

tx - the transcation

value - the value

containsValue

public boolean containsValue(TransactionLocal local,
                             Transaction tx)

Description copied from interface: TransactionLocalDelegate

does Transaction contain object?

Specified by:

containsValue in interface TransactionLocalDelegate

Parameters:

local - the transaction local

tx - the transcation

Returns:

true if it has the value