com.metamatrix.platform.service.proxy
Class RoundRobinSelectionPolicy

java.lang.Object
  com.metamatrix.platform.service.proxy.RoundRobinSelectionPolicy

All Implemented Interfaces:

ServiceSelectionPolicy

public class RoundRobinSelectionPolicy
extends java.lang.Object
implements ServiceSelectionPolicy

Constructor Summary

RoundRobinSelectionPolicy(boolean preferLocal)
ctor

Method Summary

java.util.List	getInstances() Get list of instances from the given service selection policy.
ServiceRegistryBinding	getNextInstance() Get the next service instance from the given service selection policy.
void	updateServices(java.util.List<ServiceRegistryBinding> localServices, java.util.List<ServiceRegistryBinding> remoteServices)

Methods inherited from class java.lang.Object

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

Constructor Detail

RoundRobinSelectionPolicy

public RoundRobinSelectionPolicy(boolean preferLocal)

ctor

Method Detail

getNextInstance

public ServiceRegistryBinding getNextInstance()
                                       throws ServiceNotFoundException

Get the next service instance from the given service selection policy.

Specified by:

getNextInstance in interface ServiceSelectionPolicy

Returns:

The ServiceRegistryBinding for the next instance after being operated on by the selection policy.

Throws:

ServiceNotFoundException - if there are no services available.

ServiceNotFoundException - if the policy has no more services to hand out.

See Also:

com.metamatrix.common.service.ServiceInterface

getInstances

public java.util.List getInstances()
                            throws ServiceNotFoundException

Get list of instances from the given service selection policy.

Specified by:

getInstances in interface ServiceSelectionPolicy

Returns:

The List of ServiceRegistryBinding objects for the instances after being operated on by the selection policy.

Throws:

ServiceNotFoundException - if the policy has no more services to hand out.

See Also:

com.metamatrix.common.service.ServiceInterface

updateServices

public void updateServices(java.util.List<ServiceRegistryBinding> localServices,
                           java.util.List<ServiceRegistryBinding> remoteServices)

Specified by:

updateServices in interface ServiceSelectionPolicy