org.apache.dubbo.rpc.filter

Class ExceptionFilter

java.lang.Object

org.apache.dubbo.rpc.filter.ExceptionFilter

All Implemented Interfaces:

Filter, Filter.Listener

@Activate(group="provider")
public class ExceptionFilter
extends Object
implements Filter, Filter.Listener

ExceptionInvokerFilter

Functions:

1. unexpected exception will be logged in ERROR level on provider side. Unexpected exception are unchecked exception not declared on the interface
2. Wrap the exception not introduced in API package into RuntimeException. Framework will serialize the outer exception but stringnize its cause in order to avoid of possible serialization problem on client side

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.dubbo.rpc.Filter

Filter.Listener

Constructor Summary

Constructors

Constructor and Description
ExceptionFilter()

Method Summary

Modifier and Type	Method and Description
Result	invoke(Invoker<?> invoker, Invocation invocation) Make sure call invoker.invoke() in your implementation.
void	onError(Throwable e, Invoker<?> invoker, Invocation invocation)
void	onResponse(Result appResponse, Invoker<?> invoker, Invocation invocation)
void	setLogger(Logger logger)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExceptionFilter

public ExceptionFilter()

Method Detail

invoke

public Result invoke(Invoker<?> invoker,
                     Invocation invocation)
              throws RpcException

Description copied from interface: Filter

Make sure call invoker.invoke() in your implementation.

Specified by:

invoke in interface Filter

Throws:

RpcException

onResponse

public void onResponse(Result appResponse,
                       Invoker<?> invoker,
                       Invocation invocation)

Specified by:

onResponse in interface Filter.Listener

onError

public void onError(Throwable e,
                    Invoker<?> invoker,
                    Invocation invocation)

Specified by:

onError in interface Filter.Listener

setLogger

public void setLogger(Logger logger)