net.sf.farrago.session
Interface FarragoSessionTxnListener

All Known Implementing Classes:

FarragoQueryTest.TxnListener

public interface FarragoSessionTxnListener

FarragoSessionTxnListener defines an interface for listening to events on a FarragoSessionTxnMgr.

Version:

$Id: //open/dev/farrago/src/net/sf/farrago/session/FarragoSessionTxnListener.java#8 $

Author:

John V. Sichi

Method Summary

void	tableAccessed(FarragoSessionTxnId txnId, List<String> localTableName, TableAccessMap.Mode accessType) Notifies listener of the effect of a call to FarragoSessionTxnMgr.accessTable.
void	transactionBegun(FarragoSession session, FarragoSessionTxnId txnId) Notifies listener of a call to FarragoSessionTxnMgr.beginTxn.
void	transactionEnded(FarragoSessionTxnId txnId, FarragoSessionTxnEnd endType) Notifies listener of a call to FarragoSessionTxnMgr.endTxn.

Method Detail

transactionBegun

void transactionBegun(FarragoSession session,
                      FarragoSessionTxnId txnId)

Notifies listener of a call to FarragoSessionTxnMgr.beginTxn.

Parameters:

session - session initiating transaction

txnId - new transaction ID

tableAccessed

void tableAccessed(FarragoSessionTxnId txnId,
                   List<String> localTableName,
                   TableAccessMap.Mode accessType)

Notifies listener of the effect of a call to FarragoSessionTxnMgr.accessTable.

Parameters:

txnId - ID of transaction in which access is occurring

localTableName - qualified name of table as it is known in the local catalog

accessType - type of table access

transactionEnded

void transactionEnded(FarragoSessionTxnId txnId,
                      FarragoSessionTxnEnd endType)

Notifies listener of a call to FarragoSessionTxnMgr.endTxn.

Parameters:

txnId - ID of ending transaction

endType - how transaction is ending