org.sdnplatform.sync.internal.version
Class VectorClockInconsistencyResolver<T>

java.lang.Object
  org.sdnplatform.sync.internal.version.VectorClockInconsistencyResolver<T>

All Implemented Interfaces:

IInconsistencyResolver<Versioned<T>>

public class VectorClockInconsistencyResolver<T>
extends java.lang.Object
implements IInconsistencyResolver<Versioned<T>>

An inconsistency resolver that uses the object VectorClocks leaving only a set of concurrent versions remaining.

Constructor Summary

VectorClockInconsistencyResolver()

Method Summary

boolean	equals(java.lang.Object o)
int	hashCode()
java.util.List<Versioned<T>>	resolveConflicts(java.util.List<Versioned<T>> items) Take two different versions of an object and combine them into a single version of the object Implementations must maintain the contract that resolveConflict([null, null]) == null if t != null, then resolveConflict([null, t]) == resolveConflict([t, null]) == t

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorClockInconsistencyResolver

public VectorClockInconsistencyResolver()

Method Detail

resolveConflicts

public java.util.List<Versioned<T>> resolveConflicts(java.util.List<Versioned<T>> items)

Description copied from interface: IInconsistencyResolver

Take two different versions of an object and combine them into a single version of the object Implementations must maintain the contract that

1. resolveConflict([null, null]) == null
2. if t != null, then resolveConflict([null, t]) == resolveConflict([t, null]) == t

Specified by:

resolveConflicts in interface IInconsistencyResolver<Versioned<T>>

Parameters:

items - The items to be resolved

Returns:

The united object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object