ServiceInstancesChangedListener (Apache Dubbo 3.1.1 API)

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

Nested Classes
Modifier and Type	Class and Description
`static class`	`ServiceInstancesChangedListener.NotifyListenerWithKey`
`static class`	`ServiceInstancesChangedListener.ProtocolServiceKeyWithUrls`

Constructors
Constructor and Description
`ServiceInstancesChangedListener(Set<String> serviceNames, ServiceDiscovery serviceDiscovery)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addListenerAndNotify(URL url, 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()`
`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, NotifyListener notifyListener)`
`void`	`setUrl(URL url)`

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, toString, wait, wait, wait

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

public void addListenerAndNotify(URL url,
                                 NotifyListener listener)

public void removeListener(String serviceKey,
                           NotifyListener notifyListener)

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

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

Class ServiceInstancesChangedListener