com.emc.ecs.nfsclient.rpc

Class RpcResponseHandler<T>

java.lang.Object

com.emc.ecs.nfsclient.rpc.RpcResponseHandler<T>

Direct Known Subclasses:

NfsResponseHandler

public abstract class RpcResponseHandler<T>
extends java.lang.Object

This class allows users to specify how new response instances are created during repeated RPC calls, and how responses are validated before their data is used.

Constructor Summary

Constructors

Constructor and Description
RpcResponseHandler()

Method Summary

Modifier and Type	Method and Description
abstract void	checkResponse(RpcRequest request) This is implemented in all concrete subclasses to check responses for validity, and throws an IOException if the response indicates that the request failed.
T	getNewResponse() Create a new response and return it.
T	getResponse() Get the current response.
protected abstract T	makeNewResponse() This is implemented in all concrete subclasses, so that the new response can be created using any available parameters.

Methods inherited from class java.lang.Object

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

Constructor Detail

RpcResponseHandler

public RpcResponseHandler()

Method Detail

getResponse

public T getResponse()

Get the current response.

Returns:

the current response

getNewResponse

public T getNewResponse()

Create a new response and return it.

Returns:

the new response

makeNewResponse

protected abstract T makeNewResponse()

This is implemented in all concrete subclasses, so that the new response can be created using any available parameters.

Returns:

the new response.

checkResponse

public abstract void checkResponse(RpcRequest request)
                            throws java.io.IOException

This is implemented in all concrete subclasses to check responses for validity, and throws an IOException if the response indicates that the request failed.

Parameters:

request - This is used for error messages, to aid debugging, since the response will likely not have enough data to determine the request that caused it.

Throws:

java.io.IOException