org.ow2.cmi.lb.strategy
Class LoadFactorComparator<T extends org.ow2.cmi.lb.LoadBalanceable>

java.lang.Object
  org.ow2.cmi.lb.strategy.LoadFactorComparator<T>

Type Parameters:

T - The type of objects that are load-balanced

All Implemented Interfaces:

java.util.Comparator<T>

public final class LoadFactorComparator<T extends org.ow2.cmi.lb.LoadBalanceable>
extends java.lang.Object
implements java.util.Comparator<T>

A comparator of load-factors.

Author:

The new CMI team

Constructor Summary

LoadFactorComparator(org.ow2.cmi.controller.common.ClusterViewManager clusterViewManager)
Construct a comparator of load-factor.

Method Summary

int	compare(T loadBalanceable1, T loadBalanceable2) Compares the load-factors of two LoadBalanceable with the load factor of their ServerRef.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

LoadFactorComparator

public LoadFactorComparator(org.ow2.cmi.controller.common.ClusterViewManager clusterViewManager)

Construct a comparator of load-factor. The load-factors are provided by the ClusterViewManager.

Parameters:

clusterViewManager - the manager of the cluster view

Method Detail

compare

public int compare(T loadBalanceable1,
                   T loadBalanceable2)

Compares the load-factors of two LoadBalanceable with the load factor of their ServerRef.

Specified by:

compare in interface java.util.Comparator<T extends org.ow2.cmi.lb.LoadBalanceable>

Parameters:

loadBalanceable1 - the first LoadBalanceable

loadBalanceable2 - the second LoadBalanceable

Returns:

a negative integer, zero, or a positive integer as the first server has a smaller, equal to, or greater load-factor than than the second