org.davesag.generica.persistence.jdo
Class JdoTransaction

java.lang.Object
  org.davesag.generica.persistence.jdo.JdoTransaction

All Implemented Interfaces:

Manager, Transaction

public class JdoTransaction

extends Object

implements Transaction, Manager

The JdoTransaction delegates to an underlying Transaction.

Since:

Generica 1.0

Version:

CVS Revision $Id: JdoTransaction.java,v 1.6 2004/04/06 15:33:23 davesag Exp $

Author:

Dave Sag http://www.davesag.com

Field Summary

protected javax.jdo.Transaction

theTransaction the Transaction we are delegating to

Constructor Summary

JdoTransaction()
default constructor

Method Summary

void	commit() Tell the undelying JDO Transaction to commit.
Object	getDelegate() Get the JDO Transaction being delegated to.
boolean	isActive() test to see if this transaction is still active.
void	rollback() rollback this transaction.
void	setDelegate(Object delegate) Set the JDO Transaction to delegate to.

Methods inherited from class java.lang.Object

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

Field Detail

theTransaction

protected javax.jdo.Transaction theTransaction

the Transaction we are delegating to

Constructor Detail

JdoTransaction

public JdoTransaction()

default constructor

Method Detail

setDelegate

public void setDelegate(Object delegate)
                 throws ClassCastException

Set the JDO Transaction to delegate to.

Specified by:

setDelegate in interface Manager

Parameters:

delegate - The JDO Transaction to delegate to.

Throws:

ClassCastException - if the delegate was not a JDO PersistenceManager.

getDelegate

public Object getDelegate()

Get the JDO Transaction being delegated to.

Specified by:

getDelegate in interface Manager

Returns:

The JDO Transaction being delegated to.

commit

public void commit()
            throws ArchiveException

Tell the undelying JDO Transaction to commit.

Specified by:

commit in interface Transaction

Throws:

ArchiveException - if anything jdo related went wrong.

DelegateException - if the underlying transaction has not been set.

rollback

public void rollback()
              throws ArchiveException

rollback this transaction.

Specified by:

rollback in interface Transaction

Throws:

ArchiveException - if anything jdo related went wrong.

DelegateException - if there was no PersistenceManager to delegate to.

isActive

public boolean isActive()
                 throws ArchiveException

test to see if this transaction is still active.

Specified by:

isActive in interface Transaction

Returns:

true if the transaction is still active.

Throws:

ArchiveException - if anything went wrong.

DelegateException - if the underlying transaction has not been set.