Package org.apache.dubbo.registry.client

Class NopServiceDiscovery

java.lang.Object

org.apache.dubbo.registry.client.AbstractServiceDiscovery

org.apache.dubbo.registry.client.NopServiceDiscovery

All Implemented Interfaces:

Comparable<Prioritized>, Prioritized, ServiceDiscovery, RegistryService

public class NopServiceDiscovery
extends AbstractServiceDiscovery

Field Summary

Fields inherited from interface org.apache.dubbo.common.lang.Prioritized

COMPARATOR, MAX_PRIORITY, MIN_PRIORITY, NORMAL_PRIORITY

Constructor Summary

Constructors

Constructor	Description
NopServiceDiscovery(String serviceName, URL registryURL)
NopServiceDiscovery(ApplicationModel applicationModel, URL registryURL)

Method Summary

Modifier and Type	Method	Description
void	doDestroy()
void	doRegister(ServiceInstance serviceInstance)
void	doUnregister(ServiceInstance serviceInstance)
List<ServiceInstance>	getInstances(String serviceName)
Set<String>	getServices()	Gets all service names
boolean	isAvailable()	Get services is the default way for service discovery to be available

Methods inherited from class org.apache.dubbo.registry.client.AbstractServiceDiscovery

destroy, getLocalInstance, getLocalMetadata, getLocalMetadata, getRemoteMetadata, getRemoteMetadata, getUrl, isDestroy, lookup, register, register, subscribe, unregister, unregister, unsubscribe, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.dubbo.common.lang.Prioritized

compareTo, getPriority

Methods inherited from interface org.apache.dubbo.registry.client.ServiceDiscovery

addServiceInstancesChangedListener, createListener, getDelay, removeServiceInstancesChangedListener, toString

Constructor Details

NopServiceDiscovery

public NopServiceDiscovery(String serviceName,
 URL registryURL)

NopServiceDiscovery

public NopServiceDiscovery(ApplicationModel applicationModel,
 URL registryURL)

Method Details

doRegister

public void doRegister(ServiceInstance serviceInstance)
                throws RuntimeException

Throws:

RuntimeException

doUnregister

public void doUnregister(ServiceInstance serviceInstance)

doDestroy

public void doDestroy()
               throws Exception

Throws:

Exception

getServices

public Set<String> getServices()

Description copied from interface: ServiceDiscovery

Gets all service names

Returns:

non-null read-only Set

getInstances

public List<ServiceInstance> getInstances(String serviceName)
                                   throws NullPointerException

Throws:

NullPointerException

isAvailable

public boolean isAvailable()

Description copied from interface: ServiceDiscovery

Get services is the default way for service discovery to be available