pt.ist.fenixframework.core
Class AbstractTransaction

java.lang.Object
  pt.ist.fenixframework.core.AbstractTransaction

All Implemented Interfaces:

Transaction

Direct Known Subclasses:

MemTransaction

public abstract class AbstractTransaction
extends Object
implements Transaction

Abstract implementation of Transaction. This class provides life-cycle management for free, as well as an implementation of TxIntrospector, requiring concrete implementations to provide the behavior for committing/rolling back.

Field Summary

protected int	status Status of the Transaction.
protected ConcurrentLinkedQueue<Synchronization>	synchronizations List of synchronizations associated with the current transaction.

Constructor Summary

AbstractTransaction()

Method Summary

protected abstract void	backendCommit()
protected abstract void	backendRollback()
void	commit()
boolean	delistResource(XAResource xaRes, int flag)
boolean	enlistResource(XAResource xaRes)
int	getStatus()
TxStats	getTxIntrospector() Get the TxIntrospector object that contains the changes caused by this transaction.
protected void	notifyAfterCommit()
protected void	notifyBeforeCommit()
void	registerSynchronization(Synchronization sync)
void	rollback()
void	setRollbackOnly()

Methods inherited from class java.lang.Object

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

Field Detail

synchronizations

protected final ConcurrentLinkedQueue<Synchronization> synchronizations

List of synchronizations associated with the current transaction.

status

protected int status

Status of the Transaction.

Constructor Detail

AbstractTransaction

public AbstractTransaction()

Method Detail

commit

public void commit()
            throws RollbackException,
                   HeuristicMixedException,
                   HeuristicRollbackException,
                   SecurityException,
                   IllegalStateException,
                   SystemException

Specified by:

commit in interface Transaction

Throws:

RollbackException

HeuristicMixedException

HeuristicRollbackException

SecurityException

IllegalStateException

SystemException

notifyBeforeCommit

protected void notifyBeforeCommit()

notifyAfterCommit

protected void notifyAfterCommit()

delistResource

public boolean delistResource(XAResource xaRes,
                              int flag)
                       throws IllegalStateException,
                              SystemException

Specified by:

delistResource in interface Transaction

Throws:

IllegalStateException

SystemException

enlistResource

public boolean enlistResource(XAResource xaRes)
                       throws RollbackException,
                              IllegalStateException,
                              SystemException

Specified by:

enlistResource in interface Transaction

Throws:

RollbackException

IllegalStateException

SystemException

getStatus

public int getStatus()
              throws SystemException

Specified by:

getStatus in interface Transaction

Throws:

SystemException

registerSynchronization

public void registerSynchronization(Synchronization sync)
                             throws RollbackException,
                                    IllegalStateException,
                                    SystemException

Specified by:

registerSynchronization in interface Transaction

Throws:

RollbackException

IllegalStateException

SystemException

rollback

public void rollback()
              throws IllegalStateException,
                     SystemException

Specified by:

rollback in interface Transaction

Throws:

IllegalStateException

SystemException

setRollbackOnly

public void setRollbackOnly()
                     throws IllegalStateException,
                            SystemException

Specified by:

setRollbackOnly in interface Transaction

Throws:

IllegalStateException

SystemException

getTxIntrospector

public TxStats getTxIntrospector()

Description copied from interface: Transaction

Get the TxIntrospector object that contains the changes caused by this transaction. Multiple calls to this method will return the same object.

Returns:

TxIntrospector The TxIntrospector object associated with this transaction.

backendCommit

protected abstract void backendCommit()
                               throws RollbackException,
                                      HeuristicMixedException,
                                      HeuristicRollbackException,
                                      SecurityException,
                                      IllegalStateException,
                                      SystemException

Throws:

RollbackException

HeuristicMixedException

HeuristicRollbackException

SecurityException

IllegalStateException

SystemException

backendRollback

protected abstract void backendRollback()
                                 throws IllegalStateException,
                                        SystemException

Throws:

IllegalStateException

SystemException