com.metamatrix.platform.service.proxy
Interface ServiceSelectionPolicy

All Known Implementing Classes:

RandomSelectionPolicy, RoundRobinSelectionPolicy

public interface ServiceSelectionPolicy

Represents a selection policy for services of a given type.

Method Summary

java.util.List<ServiceRegistryBinding>	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)

Method Detail

getNextInstance

ServiceRegistryBinding getNextInstance()
                                       throws ServiceNotFoundException

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

Returns:

The ServiceRegistryBinding for the next instance 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

getInstances

java.util.List<ServiceRegistryBinding> getInstances()
                                                    throws ServiceNotFoundException

Get list of instances from the given service selection policy.

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

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