org.ow2.carol.cmi.lb.policy
Class RandomPolicy<T extends org.ow2.carol.cmi.lb.LoadBalanceable>

java.lang.Object
  org.ow2.carol.cmi.lb.policy.AbsLBPolicy<T>
      org.ow2.carol.cmi.lb.policy.RandomPolicy<T>

Type Parameters:

T - The type of object that was load-balanced

All Implemented Interfaces:

org.ow2.carol.cmi.lb.policy.ILBPolicy<T>

@ThreadSafe
public final class RandomPolicy<T extends org.ow2.carol.cmi.lb.LoadBalanceable>
extends AbsLBPolicy<T>

Implementation of a policy of load-balancing that always selects randomly a load-balanceable.

Author:

The new CMI team

Constructor Summary

RandomPolicy()
Build the random policy.

Method Summary

T	choose(java.util.List<T> loadBalanceables) Chooses randomly a load-balanceable among the list of load-balanceables.
java.lang.String	toString()

Methods inherited from class org.ow2.carol.cmi.lb.policy.AbsLBPolicy

getLBStrategy, onInvokeException, onLookupException, onReturn, setClusterViewManager, setLBStrategy

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomPolicy

public RandomPolicy()

Build the random policy.

Method Detail

choose

public T choose(java.util.List<T> loadBalanceables)
                                                      throws org.ow2.carol.cmi.lb.NoLoadBalanceableException

Chooses randomly a load-balanceable among the list of load-balanceables.

Specified by:

choose in interface org.ow2.carol.cmi.lb.policy.ILBPolicy<T extends org.ow2.carol.cmi.lb.LoadBalanceable>

Specified by:

choose in class AbsLBPolicy<T extends org.ow2.carol.cmi.lb.LoadBalanceable>

Parameters:

loadBalanceables - the list of load-balanceables

Returns:

the chosen load-balanceable

Throws:

org.ow2.carol.cmi.lb.NoLoadBalanceableException - if no server available

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object