ServiceInstancesChangedListener (Apache Dubbo 2.7.16 API)

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

所有已实现的接口:

Comparable<Prioritized>, EventListener, Prioritized, ConditionalEventListener<ServiceInstancesChangedEvent>, EventListener<ServiceInstancesChangedEvent>
```
public class ServiceInstancesChangedListener
extends Object
implements ConditionalEventListener<ServiceInstancesChangedEvent>
```
The Service Discovery Changed Event Listener

从以下版本开始:

2.7.5

另请参阅:

ServiceInstancesChangedEvent

字段概要
- 从接口继承的字段 org.apache.dubbo.common.lang.Prioritized
  COMPARATOR, MAX_PRIORITY, MIN_PRIORITY, NORMAL_PRIORITY

构造器概要

构造器
构造器说明

ServiceInstancesChangedListener(Set<String> serviceNames, ServiceDiscovery serviceDiscovery)

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`boolean`	`accept(ServiceInstancesChangedEvent event)`
`void`	`addListener(String serviceKey, NotifyListener listener)`
`boolean`	`equals(Object o)`
`String`	`getRegistryId()`
`Set<String>`	`getServiceNames()`	Get the correlative service name
`URL`	`getUrl()`
`List<URL>`	`getUrls(String serviceKey)`
`int`	`hashCode()`
`void`	`onEvent(ServiceInstancesChangedEvent event)`	On `the service instances change event`
`void`	`removeListener(String serviceKey)`
`void`	`setUrl(URL url)`

从类继承的方法 java.lang.Object
getClass, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.dubbo.event.EventListener
getPriority

从接口继承的方法 org.apache.dubbo.common.lang.Prioritized
compareTo

构造器详细资料

ServiceInstancesChangedListener

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

方法详细资料

onEvent
```
public void onEvent(ServiceInstancesChangedEvent event)
```
On the service instances change event

指定者:

onEvent 在接口中 EventListener<ServiceInstancesChangedEvent>

参数:

event - ServiceInstancesChangedEvent

addListener

public void addListener(String serviceKey,
                        NotifyListener listener)

removeListener

public void removeListener(String serviceKey)

getUrls

public List<URL> getUrls(String serviceKey)

getServiceNames
```
public final Set<String> getServiceNames()
```
Get the correlative service name

返回:

the correlative service name

setUrl
```
public void setUrl(URL url)
```

getUrl
```
public URL getUrl()
```

accept
```
public final boolean accept(ServiceInstancesChangedEvent event)
```
指定者:

accept 在接口中 ConditionalEventListener<ServiceInstancesChangedEvent>

参数:

event - event

返回:

If service name matches, return true, or false

getRegistryId
```
public String getRegistryId()
```

equals
```
public boolean equals(Object o)
```
覆盖:

equals 在类中 Object

hashCode
```
public int hashCode()
```
覆盖:

hashCode 在类中 Object