content: /*
   * 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 org.apache.calcite.avatica.remote;
  
  import org.apache.calcite.avatica.remote.Service.Request;
  import org.apache.calcite.avatica.remote.Service.Response;
  
  import java.io.IOException;
  
  /**
   * Generic interface to support parsing of serialized protocol buffers between client and server.
   */
  public interface ProtobufTranslation {
  
    /**
     * Serializes a {@link Response} as a protocol buffer.
     *
     * @param response The response to serialize
     * @throws IOException If there are errors during serialization
     */
    byte[] serializeResponse(Response response) throws IOException;
  
    /**
     * Serializes a {@link Request} as a protocol buffer.
     *
     * @param request The request to serialize
     * @throws IOException If there are errors during serialization
     */
    byte[] serializeRequest(Request request) throws IOException;
  
    /**
     * Parses a serialized protocol buffer request into a {@link Request}.
     *
     * @param bytes Serialized protocol buffer request from client
     * @return A Request object for the given bytes
     * @throws IOException If the protocol buffer cannot be deserialized
     */
    Request parseRequest(byte[] bytes) throws IOException;
  
    /**
     * Parses a serialized protocol buffer response into a {@link Response}.
     *
     * @param bytes Serialized protocol buffer request from server
     * @return The Response object for the given bytes
     * @throws IOException If the protocol buffer cannot be deserialized
     */
    Response parseResponse(byte[] bytes) throws IOException;
  }
  
  // End ProtobufTranslation.java
  