1 /* 2 * Copyright 2010 The Apache Software Foundation 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package org.apache.hadoop.hbase.rest; 22 23 import java.io.IOException; 24 25 /** 26 * Common interface for models capable of supporting protobuf marshalling 27 * and unmarshalling. Hooks up to the ProtobufMessageBodyConsumer and 28 * ProtobufMessageBodyProducer adapters. 29 */ 30 public abstract interface ProtobufMessageHandler { 31 /** 32 * @return the protobuf represention of the model 33 */ 34 public byte[] createProtobufOutput(); 35 36 /** 37 * Initialize the model from a protobuf representation. 38 * @param message the raw bytes of the protobuf message 39 * @return reference to self for convenience 40 * @throws IOException 41 */ 42 public ProtobufMessageHandler getObjectFromMessage(byte[] message) 43 throws IOException; 44 }