Package org.apache.dubbo.registry.integration

Interface RegistryProtocolListener

All Known Implementing Classes:

MigrationRuleListener

@SPI(scope=MODULE)
public interface RegistryProtocolListener

RegistryProtocol listener is introduced to provide a chance to user to customize or change export and refer behavior of RegistryProtocol. For example: re-export or re-refer on the fly when certain condition meets.

Method Summary

Modifier and Type	Method	Description
void	onDestroy()	Notify RegistryProtocol's listeners when the protocol is destroyed
void	onExport(RegistryProtocol registryProtocol, org.apache.dubbo.rpc.Exporter<?> exporter)	Notify RegistryProtocol's listeners when a service is registered
void	onRefer(RegistryProtocol registryProtocol, ClusterInvoker<?> invoker, URL url, URL registryURL)	Notify RegistryProtocol's listeners when a service is subscribed

Method Details

onExport

void onExport(RegistryProtocol registryProtocol,
 org.apache.dubbo.rpc.Exporter<?> exporter)

Notify RegistryProtocol's listeners when a service is registered

Parameters:

registryProtocol - RegistryProtocol instance

exporter - exporter

See Also:

• RegistryProtocol.export(org.apache.dubbo.rpc.Invoker)

onRefer

void onRefer(RegistryProtocol registryProtocol,
 ClusterInvoker<?> invoker,
 URL url,
 URL registryURL)

Notify RegistryProtocol's listeners when a service is subscribed

Parameters:

registryProtocol - RegistryProtocol instance

invoker - invoker

url -

See Also:

• RegistryProtocol.refer(Class, URL)

onDestroy

void onDestroy()

Notify RegistryProtocol's listeners when the protocol is destroyed