package io.eguan.net;
/*
* #%L
* Project eguan
* %%
* Copyright (C) 2012 - 2017 Oodrive
* %%
* Licensed 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.
* #L%
*/
import com.google.protobuf.MessageLite;
/**
* The application logic is specified through the implementation of {@link MsgServerHandler}. When a message is
* received, the message server call the function {@link MsgServerHandler#handleMessage(MessageLite)}.
*
* @author oodrive
* @author llambert
*
*/
public interface MsgServerHandler {
/**
* The function called when a message is received. If an exception occurs while processing the function then the
* server send the exception name to the client (in case of a synchronous call). The server may return a reply which
* is received in case of a synchronous call only.
*
* @param message
* the received message
* @return message reply or <code>null</code>
*/
MessageLite handleMessage(MessageLite message);
}