/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.infrastructure.service;
import java.util.List;
import com.facebook.infrastructure.net.Message;
/**
* Author : Avinash Lakshman ( alakshman@facebook.com) & Prashant Malik ( pmalik@facebook.com )
*/
public interface IResponseResolver<T> {
/*
* This Method resolves the responses that are passed in . for example : if
* its write response then all we get is true or false return values which
* implies if the writes were successful but for reads its more complicated
* you need to look at the responses and then based on differences schedule
* repairs . Hence you need to derive a response resolver based on your
* needs from this interface.
*/
public T resolve(List<Message<byte[]>> responses) throws DigestMismatchException;
public boolean isDataPresent(List<Message<byte[]>> responses);
}