edu.umass.cs.txn

Class TxCallback

java.lang.Object

edu.umass.cs.txn.TxCallback

All Implemented Interfaces:

ExecutedCallback

public class TxCallback
extends java.lang.Object
implements ExecutedCallback

Author:

arun Each active replica maintains a map of transaction state that are in progress at that replica.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TxCallback(GigaPaxosClient<Request> gpClient)

Method Summary

Modifier and Type	Method and Description
void	executed(Request request, boolean handled) Default callback for transaction operations at an active replica.
void	txTryFinish(Transaction tx, java.lang.String participant) This method is invoked at a participant group to check on the status of the transaction and complete the local abort or commit steps if necessary.

Methods inherited from class java.lang.Object

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

Constructor Detail

TxCallback

protected TxCallback(GigaPaxosClient<Request> gpClient)

Method Detail

txTryFinish

public void txTryFinish(Transaction tx,
                        java.lang.String participant)
                 throws java.io.IOException

This method is invoked at a participant group to check on the status of the transaction and complete the local abort or commit steps if necessary. This is a one-time check, i.e., IO or other failures will defer to future re-attempts.

Parameters:

tx -

participant -

Throws:

java.io.IOException

executed

public void executed(Request request,
                     boolean handled)

Default callback for transaction operations at an active replica.

Specified by:

executed in interface ExecutedCallback