java.lang.Object
- org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener

所有方法实例方法具体方法
修饰符和类型	方法	说明
`void`	`addListenerAndNotify(String serviceKey, NotifyListener listener)`
`void`	`destroy()`	Since this listener is shared among interfaces, destroy this listener only when all interface listener are unsubscribed
`boolean`	`equals(Object o)`
`Map<String,List<ServiceInstance>>`	`getAllInstances()`
`List<ServiceInstance>`	`getInstancesOfApp(String appName)`
`MetadataInfo`	`getMetadata(String revision)`
`Map<String,MetadataInfo>`	`getRevisionToMetadata()`
`Set<String>`	`getServiceNames()`	Get the correlative service name
`URL`	`getUrl()`
`int`	`hashCode()`
`boolean`	`hasListeners()`
`boolean`	`isDestroyed()`
`void`	`onEvent(ServiceInstancesChangedEvent event)`	On `the service instances change event`
`void`	`removeListener(String serviceKey)`
`void`	`setUrl(URL url)`

public ServiceInstancesChangedListener(Set<String> serviceNames,
                                       ServiceDiscovery serviceDiscovery)

public void addListenerAndNotify(String serviceKey,
                                 NotifyListener listener)

public void removeListener(String serviceKey)

public Map<String,List<ServiceInstance>> getAllInstances()

public List<ServiceInstance> getInstancesOfApp(String appName)

public Map<String,MetadataInfo> getRevisionToMetadata()

public MetadataInfo getMetadata(String revision)

destroy
```
public void destroy()
```
Since this listener is shared among interfaces, destroy this listener only when all interface listener are unsubscribed

类 ServiceInstancesChangedListener