org.apache.twill.discovery

Class InMemoryDiscoveryService

java.lang.Object

org.apache.twill.discovery.InMemoryDiscoveryService

All Implemented Interfaces:

DiscoveryService, DiscoveryServiceClient

public class InMemoryDiscoveryService
extends Object
implements DiscoveryService, DiscoveryServiceClient

A simple in memory implementation of DiscoveryService and DiscoveryServiceClient.

Constructor Summary

Constructors

Constructor and Description
InMemoryDiscoveryService()

Method Summary

Modifier and Type	Method and Description
ServiceDiscovered	discover(String name) Discover service with the given name.
Cancellable	register(Discoverable discoverable) Registers a Discoverable service.

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryDiscoveryService

public InMemoryDiscoveryService()

Method Detail

register

public Cancellable register(Discoverable discoverable)

Description copied from interface: DiscoveryService

Registers a Discoverable service.

Specified by:

register in interface DiscoveryService

Parameters:

discoverable - Information of the service provider that could be discovered.

Returns:

A Cancellable for un-registration.

discover

public ServiceDiscovered discover(String name)

Description copied from interface: DiscoveryServiceClient

Discover service with the given name.

Specified by:

discover in interface DiscoveryServiceClient

Parameters:

name - Name of the service

Returns:

A ServiceDiscovered object representing the result.