org.apache.dubbo.rpc.cluster.interceptor

Interface ClusterInterceptor

All Known Implementing Classes:

ConsumerContextClusterInterceptor, ZoneAwareClusterInterceptor

@SPI
public interface ClusterInterceptor

Different from Filter, ClusterInterceptor works at the outmost layer, before one specific address/invoker is picked.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	ClusterInterceptor.Listener

Method Summary

Modifier and Type	Method and Description
void	after(AbstractClusterInvoker<?> clusterInvoker, Invocation invocation)
void	before(AbstractClusterInvoker<?> clusterInvoker, Invocation invocation)
default Result	intercept(AbstractClusterInvoker<?> clusterInvoker, Invocation invocation) Does not need to override this method, override before(AbstractClusterInvoker, Invocation) and after(AbstractClusterInvoker, Invocation), methods to add your own logic expected to be executed before and after invoke.

Method Detail

before

void before(AbstractClusterInvoker<?> clusterInvoker,
            Invocation invocation)

after

void after(AbstractClusterInvoker<?> clusterInvoker,
           Invocation invocation)

intercept

default Result intercept(AbstractClusterInvoker<?> clusterInvoker,
                         Invocation invocation)
                  throws RpcException

Does not need to override this method, override before(AbstractClusterInvoker, Invocation) and after(AbstractClusterInvoker, Invocation), methods to add your own logic expected to be executed before and after invoke.

Parameters:

clusterInvoker -

invocation -

Returns:

Throws:

RpcException