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

java.lang.Object
  org.ow2.cmi.lb.policy.AbstractPolicy<T>
      org.ow2.cmi.lb.policy.RoundRobin<T>

Type Parameters:

T - The type of objects that are load-balanced

All Implemented Interfaces:

org.ow2.cmi.lb.policy.IPolicy<T>

@ThreadSafe
public final class RoundRobin<T extends org.ow2.cmi.lb.LoadBalanceable>
extends AbstractPolicy<T>

The default load-balancing policy (Round Robin) that always chooses the next available load-balanceable.

Author:

The new CMI team

Constructor Summary

RoundRobin()
Build the Round Robin policy.

Method Summary

T	choose(java.util.Collection<T> loadBalanceables) Chooses the next load-balanceable among the list of load-balanceables.
int	getPointer()
void	setPointer(int pointer)
java.lang.String	toString()

Methods inherited from class org.ow2.cmi.lb.policy.AbstractPolicy

getStrategy, onChoose, onInvokeException, onLookupException, onReturn, setClusterViewManager, setStrategy

Methods inherited from class java.lang.Object

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

Constructor Detail

RoundRobin

public RoundRobin()

Build the Round Robin policy. Give to the pointer an initial value.

Method Detail

choose

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

Chooses the next load-balanceable among the list of load-balanceables.

Specified by:

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

Specified by:

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

Parameters:

loadBalanceables - the list of load-balanceables

Returns:

the chosen load-balanceable

Throws:

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getPointer

public int getPointer()

Returns:

the pointer.

setPointer

public void setPointer(int pointer)

Parameters:

pointer - the pointer to set.