org.apache.dubbo.registry.client.event.listener

Class ServiceInstancesChangedListener

java.lang.Object

org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener

All Implemented Interfaces:

Comparable<Prioritized>, EventListener, Prioritized, ConditionalEventListener<ServiceInstancesChangedEvent>

public abstract class ServiceInstancesChangedListener
extends Object
implements ConditionalEventListener<ServiceInstancesChangedEvent>

The Service Discovery Changed Event Listener

Since:

2.7.5

See Also:

ServiceInstancesChangedEvent

Field Summary

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

COMPARATOR, MAX_PRIORITY, MIN_PRIORITY, NORMAL_PRIORITY

Method Summary

Modifier and Type	Method and Description
boolean	accept(ServiceInstancesChangedEvent event)
boolean	equals(Object o)
String	getServiceName() Get the correlative service name
int	hashCode()
abstract void	onEvent(ServiceInstancesChangedEvent event) On the service instances change event

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.dubbo.event.EventListener

findEventType, findEventType, findEventType, getPriority

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

compareTo

Method Detail

onEvent

public abstract void onEvent(ServiceInstancesChangedEvent event)

On the service instances change event

Parameters:

event - ServiceInstancesChangedEvent

getServiceName

public final String getServiceName()

Get the correlative service name

Returns:

the correlative service name

accept

public final boolean accept(ServiceInstancesChangedEvent event)

Specified by:

accept in interface ConditionalEventListener<ServiceInstancesChangedEvent>

Parameters:

event - event

Returns:

If service name matches, return true, or false

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object