Package com.sun.enterprise.transaction.jts.recovery

Class OracleXAResource

java.lang.Object

com.sun.enterprise.transaction.api.XAResourceWrapper

com.sun.enterprise.transaction.jts.recovery.OracleXAResource

All Implemented Interfaces:

XAResource

public class OracleXAResource
extends XAResourceWrapper

This implements workaround for Oracle XAResource. Oracle's 8.1.7 XAResource implementation doesn't work fine while recovery. This class fires sql statements to achieve same.

Version:

1.0

Author:

Bala Dutt

Field Summary

Fields inherited from class com.sun.enterprise.transaction.api.XAResourceWrapper

m_xacon, subject

Fields inherited from interface javax.transaction.xa.XAResource

TMENDRSCAN, TMFAIL, TMJOIN, TMNOFLAGS, TMONEPHASE, TMRESUME, TMSTARTRSCAN, TMSUCCESS, TMSUSPEND, XA_OK, XA_RDONLY

Constructor Summary

Constructors

Constructor	Description
OracleXAResource()

Method Summary

Modifier and Type	Method	Description
void	commit(Xid xid, boolean flag)
XAResourceWrapper	getInstance()	public Xid[] recover(int flag) throws XAException { throw new XAException("This is to be implemented by sub classes"); } public void commit(Xid xid, boolean flag) throws XAException{ throw new XAException("This is to be implemented by sub classes"); } public void rollback(Xid xid) throws XAException{ throw new XAException("This is to be implemented by sub classes"); }
Xid[]	recover(int flag)	Recovers list of xids in transaction table.
void	rollback(Xid xid)

Methods inherited from class com.sun.enterprise.transaction.api.XAResourceWrapper

end, forget, getTransactionTimeout, init, isSameRM, prepare, setTransactionTimeout, start

Methods inherited from class java.lang.Object

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

Constructor Detail

OracleXAResource

public OracleXAResource()

Method Detail

getInstance

public XAResourceWrapper getInstance()

Description copied from class: XAResourceWrapper

public Xid[] recover(int flag) throws XAException { throw new XAException("This is to be implemented by sub classes"); } public void commit(Xid xid, boolean flag) throws XAException{ throw new XAException("This is to be implemented by sub classes"); } public void rollback(Xid xid) throws XAException{ throw new XAException("This is to be implemented by sub classes"); }

Specified by:

getInstance in class XAResourceWrapper

recover

public Xid[] recover(int flag)
              throws XAException

Recovers list of xids in transaction table. Recover on oracle ignores flags sent to it, this method takes care of flags in addition to calling recoverList for xid list.

Specified by:

recover in interface XAResource

Specified by:

recover in class XAResourceWrapper

Parameters:

flag - an int value

Returns:

a Xid[] value

Throws:

XAException - if an error occurs

commit

public void commit(Xid xid,
                   boolean flag)
            throws XAException

Specified by:

commit in interface XAResource

Specified by:

commit in class XAResourceWrapper

Throws:

XAException

rollback

public void rollback(Xid xid)
              throws XAException

Specified by:

rollback in interface XAResource

Specified by:

rollback in class XAResourceWrapper

Throws:

XAException