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    }