org.apache.geronimo.connector.outbound.transactionlog
Class JDBCLog

java.lang.Object
  org.apache.geronimo.connector.outbound.transactionlog.JDBCLog

All Implemented Interfaces:

GBeanLifecycle, org.apache.geronimo.transaction.manager.TransactionLog

public class JDBCLog
extends Object
implements org.apache.geronimo.transaction.manager.TransactionLog, GBeanLifecycle

"Last Resource optimization" for single servers wishing to have valid xa transactions with a single 1-pc datasource. The database is used for the log, and the database work is committed when the log writes its prepare record.

Constructor Summary

JDBCLog(String systemId, org.apache.geronimo.connector.outbound.ConnectionFactorySource managedConnectionFactoryWrapper)

JDBCLog(String systemId, DataSource dataSource)

Method Summary

void	begin(Xid xid)
void	commit(Xid xid, Object logMark)
void	doFail() Fails the GBean.
void	doStart() Starts the GBean.
void	doStop() Stops the target.
int	getAverageBytesPerForce()
int	getAverageForceTime()
String	getXMLStats()
Object	prepare(Xid xid, List branches)
Collection	recover(org.apache.geronimo.transaction.manager.XidFactory xidFactory)
void	rollback(Xid xid, Object logMark)

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCLog

public JDBCLog(String systemId,
               org.apache.geronimo.connector.outbound.ConnectionFactorySource managedConnectionFactoryWrapper)

JDBCLog

public JDBCLog(String systemId,
               DataSource dataSource)

Method Detail

doStart

public void doStart()
             throws Exception

Description copied from interface: GBeanLifecycle

Starts the GBean. This informs the GBean that it is about to transition to the running state.

Specified by:

doStart in interface GBeanLifecycle

Throws:

Exception - if the target failed to start; this will cause a transition to the failed state

doStop

public void doStop()
            throws Exception

Description copied from interface: GBeanLifecycle

Stops the target. This informs the GBean that it is about to transition to the stopped state.

Specified by:

doStop in interface GBeanLifecycle

Throws:

Exception - if the target failed to stop; this will cause a transition to the failed state

doFail

public void doFail()

Description copied from interface: GBeanLifecycle

Fails the GBean. This informs the GBean that it is about to transition to the failed state.

Specified by:

doFail in interface GBeanLifecycle

begin

public void begin(Xid xid)
           throws org.apache.geronimo.transaction.manager.LogException

Specified by:

begin in interface org.apache.geronimo.transaction.manager.TransactionLog

Throws:

org.apache.geronimo.transaction.manager.LogException

prepare

public Object prepare(Xid xid,
                      List branches)
               throws org.apache.geronimo.transaction.manager.LogException

Specified by:

prepare in interface org.apache.geronimo.transaction.manager.TransactionLog

Throws:

org.apache.geronimo.transaction.manager.LogException

commit

public void commit(Xid xid,
                   Object logMark)
            throws org.apache.geronimo.transaction.manager.LogException

Specified by:

commit in interface org.apache.geronimo.transaction.manager.TransactionLog

Throws:

org.apache.geronimo.transaction.manager.LogException

rollback

public void rollback(Xid xid,
                     Object logMark)
              throws org.apache.geronimo.transaction.manager.LogException

Specified by:

rollback in interface org.apache.geronimo.transaction.manager.TransactionLog

Throws:

org.apache.geronimo.transaction.manager.LogException

recover

public Collection recover(org.apache.geronimo.transaction.manager.XidFactory xidFactory)
                   throws org.apache.geronimo.transaction.manager.LogException

Specified by:

recover in interface org.apache.geronimo.transaction.manager.TransactionLog

Throws:

org.apache.geronimo.transaction.manager.LogException

getXMLStats

public String getXMLStats()

Specified by:

getXMLStats in interface org.apache.geronimo.transaction.manager.TransactionLog

getAverageForceTime

public int getAverageForceTime()

Specified by:

getAverageForceTime in interface org.apache.geronimo.transaction.manager.TransactionLog

getAverageBytesPerForce

public int getAverageBytesPerForce()

Specified by:

getAverageBytesPerForce in interface org.apache.geronimo.transaction.manager.TransactionLog