001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 package org.apache.oozie.event.messaging; 019 020 import org.codehaus.jackson.map.ObjectMapper; 021 022 /** 023 * Message Serializer to serialize the java object 024 * 025 */ 026 public abstract class MessageSerializer { 027 static ObjectMapper mapper = new ObjectMapper(); // Thread-safe. 028 029 /** 030 * Get the serialized string from object 031 * @param object the java object 032 * @return 033 */ 034 public abstract String getSerializedObject(Object object); 035 036 /** 037 * Get the message format for the serializer 038 * @return 039 */ 040 public abstract String getMessageFormat(); 041 042 }