ServiceMethodPreHook.java

/**
 * Copyright 2016-2017 Sixt GmbH & Co. Autovermietung KG
 * 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.
 */

package com.sixt.service.framework;

import com.google.protobuf.Message;
import com.sixt.service.framework.rpc.RpcCallException;

public interface ServiceMethodPreHook <REQ extends Message> {

    /**
     * Perform an action and/or modify an incoming request
     * @param request The request being made
     * @param ctx The OrangeContext for the request
     * @return Either the incoming request, or a new request
     * @throws RpcCallException
     */
    REQ handleRequest(REQ request, OrangeContext ctx) throws RpcCallException;

}