TransactionSynchronizer (JBoss Connector API) - JBoss 3.2.7 connector API Documentation 英文版文档

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org.jboss.resource.connectionmanager
Class TransactionSynchronizer

java.lang.Object
  org.jboss.resource.connectionmanager.TransactionSynchronizer

All Implemented Interfaces:: Synchronization

public class TransactionSynchronizer
extends Object
implements Synchronization

Organizes transaction synchronization done by JCA.

This class exists to make sure all TxRemover synchronizations are invoked before the cached connection manager closes any closed connections.

Version:: $Revision: 1.1.2.1 $
Author:: Adrian Brock

Field Summary

protected Synchronization ccmSynch
          The cached connection manager synchronization

protected Transaction tx
          The transaction

protected ArrayList txRemoverSynchs
          TxRemover synchronizations

protected static org.jboss.tm.TransactionLocal txSynchs
          The transaction synchronizations

Method Summary

void afterCompletion(int status)


void beforeCompletion()


static Synchronization getCCMSynchronization(Transaction tx)
          Check whether we have a CCM synchronization

protected static TransactionSynchronizer getRegisteredSynchronizer(Transaction tx)
          Get a registered transaction synchronizer.

protected void invokeAfter(Synchronization synch, int status)
          Invoke an afterCompletion

protected void invokeBefore(Synchronization synch)
          Invoke a beforeCompletion

static void registerCCMSynchronization(Transaction tx, Synchronization synch)
          Register a new CCM synchronization

static void registerTxRemoverSynchronization(Transaction tx, Synchronization synch)
          Register a new TxRemover synchronization

static void setTransactionManager(TransactionManager tm)
          Initialization

Methods inherited from class java.lang.Object

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

Field Detail

txSynchs

protected static org.jboss.tm.TransactionLocal txSynchs

The transaction synchronizations

tx

protected Transaction tx

The transaction

txRemoverSynchs

protected ArrayList txRemoverSynchs

TxRemover synchronizations

ccmSynch

protected Synchronization ccmSynch

The cached connection manager synchronization

Method Detail

setTransactionManager

public static void setTransactionManager(TransactionManager tm)

Initialization

registerTxRemoverSynchronization

public static void registerTxRemoverSynchronization(Transaction tx,
                                                    Synchronization synch)
                                             throws RollbackException,
                                                    SystemException

Parameters:: tx - the transaction; synch - the synchronization
Throws:: RolledbackException - if the transaction is already rolled back; SystemException - for an error in the tranaction manager; RollbackException

getCCMSynchronization

public static Synchronization getCCMSynchronization(Transaction tx)

Check whether we have a CCM synchronization

Parameters:: tx - the transaction

registerCCMSynchronization

public static void registerCCMSynchronization(Transaction tx,
                                              Synchronization synch)
                                       throws RollbackException,
                                              SystemException

Parameters:: tx - the transaction; synch - the synchronization
Throws:: RolledbackException - if the transaction is already rolled back; SystemException - for an error in the tranaction manager; RollbackException

beforeCompletion

public void beforeCompletion()

Specified by:: beforeCompletion in interface Synchronization

afterCompletion

public void afterCompletion(int status)

Specified by:: afterCompletion in interface Synchronization

invokeBefore

protected void invokeBefore(Synchronization synch)

Invoke a beforeCompletion

Parameters:: synch - the synchronization

invokeAfter

protected void invokeAfter(Synchronization synch,
                           int status)

Invoke an afterCompletion

Parameters:: synch - the synchronization; status - the status of the transaction

getRegisteredSynchronizer

protected static TransactionSynchronizer getRegisteredSynchronizer(Transaction tx)
                                                            throws RollbackException,
                                                                   SystemException

Get a registered transaction synchronizer.

Parameters:: tx - the transaction
Returns:: the registered transaction synchronizer for this transaction
Throws:: RolledbackException - if the transaction is already rolled back; SystemException - for an error in the tranaction manager; RollbackException