com.bigdata.btree.isolation

Class TestConflictResolution.SingleValueConflictResolver

java.lang.Object

com.bigdata.btree.isolation.TestConflictResolution.SingleValueConflictResolver

All Implemented Interfaces:

IConflictResolver, Serializable

Enclosing class:

TestConflictResolution

public static class TestConflictResolution.SingleValueConflictResolver
extends Object
implements IConflictResolver

Helper class used to resolve a predicted conflict to a known value.

Version:

$Id$

Author:

Bryan Thompson

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TestConflictResolution.SingleValueConflictResolver(byte[] expectedKey, byte[] resolvedValue)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	resolveConflict(IIndex writeSet, ITuple txTuple, ITuple currentTuple) Resolve a write-write conflict between a committed version on the journal and the current version within a transaction that is validating.

Methods inherited from class java.lang.Object

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

Constructor Detail

TestConflictResolution.SingleValueConflictResolver

public TestConflictResolution.SingleValueConflictResolver(byte[] expectedKey,
                                                  byte[] resolvedValue)

Method Detail

resolveConflict

public boolean resolveConflict(IIndex writeSet,
                      ITuple txTuple,
                      ITuple currentTuple)
                        throws Exception

Description copied from interface: IConflictResolver

Resolve a write-write conflict between a committed version on the journal and the current version within a transaction that is validating.

Specified by:

resolveConflict in interface IConflictResolver

Parameters:

writeSet - The view on which conflict resolver must write the resolved index entry.

txTuple - The tuple written by the transaction that is being validated.

currentTuple - The current tuple committed in the global state with which the write-write conflict exists.

Returns:

true iff the conflict was resolved.

Throws:

Exception