org.apache.dubbo.rpc.filter

Class CompatibleFilter

java.lang.Object

org.apache.dubbo.rpc.filter.CompatibleFilter

All Implemented Interfaces:

Filter, Filter.Listener

public class CompatibleFilter
extends Object
implements Filter, Filter.Listener

CompatibleFilter make the remote method's return value compatible to invoker's version of object. To make return object compatible it does

    1)If the url contain serialization key of type json or fastjson then transform
    the return value to instance of Map
    2)If the return value is not a instance of invoked method's return type available at
    local jvm then POJO conversion.
    3)If return value is other than above return value as it is.
 

See Also:

Filter

Nested Class Summary

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

Filter.Listener

Constructor Summary

Constructors

Constructor and Description
CompatibleFilter()

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 t, Invoker<?> invoker, Invocation invocation)
void	onMessage(Result appResponse, Invoker<?> invoker, Invocation invocation)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.dubbo.rpc.Filter

onResponse

Constructor Detail

CompatibleFilter

public CompatibleFilter()

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

onMessage

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

Specified by:

onMessage in interface Filter.Listener

onError

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

Specified by:

onError in interface Filter.Listener