ClusterInterceptor (Apache Dubbo 2.7.15 API)

所有已知实现类:

ConsumerContextClusterInterceptor, ZoneAwareClusterInterceptor
```
@SPI
public interface ClusterInterceptor
```
Different from Filter, ClusterInterceptor works at the outmost layer, before one specific address/invoker is picked.

嵌套类概要

嵌套类
修饰符和类型接口说明

static interface ClusterInterceptor.Listener

方法概要

所有方法实例方法抽象方法默认方法
修饰符和类型	方法	说明
`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.

方法详细资料

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.

参数:

clusterInvoker -

invocation -

返回:

抛出:

RpcException