Package org.apache.geronimo.transaction.log

Class UnrecoverableLog

java.lang.Object

org.apache.geronimo.transaction.log.UnrecoverableLog

All Implemented Interfaces:

TransactionLog

public class UnrecoverableLog
extends Object
implements TransactionLog

A log sink that doesn't actually do anything. Not recommended for production use as heuristic recovery will be needed if the transaction coordinator dies.

Constructor Summary

Constructors

Constructor	Description
UnrecoverableLog()

Method Summary

Modifier and Type	Method	Description
void	begin(Xid xid)
void	commit(Xid xid, Object logMark)
int	getAverageBytesPerForce()
int	getAverageForceTime()
String	getXMLStats()
Object	prepare(Xid xid, List<? extends TransactionBranchInfo> branches)	log prepare for the global xid xid and the list of TransactionBranchInfo branches
Collection	recover(XidFactory xidFactory)	Recovers the log, returning a map of (top level) xid to List of TransactionBranchInfo for the branches.
void	rollback(Xid xid, Object logMark)

Methods inherited from class java.lang.Object

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

Constructor Details

UnrecoverableLog

public UnrecoverableLog()

Method Details

begin

public void begin(Xid xid)
           throws LogException

Specified by:

begin in interface TransactionLog

Throws:

LogException

prepare

public Object prepare(Xid xid,
 List<? extends TransactionBranchInfo> branches)
               throws LogException

Description copied from interface: TransactionLog

log prepare for the global xid xid and the list of TransactionBranchInfo branches

Specified by:

prepare in interface TransactionLog

Parameters:

xid - global xid for the transactions

branches - List of TransactionBranchInfo

Returns:

log mark to use in commit/rollback calls.

Throws:

LogException - on error

commit

public void commit(Xid xid,
 Object logMark)
            throws LogException

Specified by:

commit in interface TransactionLog

Throws:

LogException

rollback

public void rollback(Xid xid,
 Object logMark)
              throws LogException

Specified by:

rollback in interface TransactionLog

Throws:

LogException

recover

public Collection recover(XidFactory xidFactory)
                   throws LogException

Description copied from interface: TransactionLog

Recovers the log, returning a map of (top level) xid to List of TransactionBranchInfo for the branches. Uses the XidFactory to reconstruct the xids.

Specified by:

recover in interface TransactionLog

Parameters:

xidFactory - Xid factory

Returns:

Map of recovered xid to List of TransactionBranchInfo representing the branches.

Throws:

LogException - on error

getXMLStats

public String getXMLStats()

Specified by:

getXMLStats in interface TransactionLog

getAverageForceTime

public int getAverageForceTime()

Specified by:

getAverageForceTime in interface TransactionLog

getAverageBytesPerForce

public int getAverageBytesPerForce()

Specified by:

getAverageBytesPerForce in interface TransactionLog