001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.store.kahadb.disk.util;
018
019import java.io.DataInput;
020import java.io.DataOutput;
021import java.io.IOException;
022
023/**
024 * Implementation of a Marshaller for a Long
025 * 
026 * 
027 */
028public class LongMarshaller implements Marshaller<Long> {
029    
030    public static final LongMarshaller INSTANCE = new LongMarshaller();
031    
032    public void writePayload(Long object, DataOutput dataOut) throws IOException {
033        dataOut.writeLong(object);
034    }
035
036    public Long readPayload(DataInput dataIn) throws IOException {
037        return dataIn.readLong();
038    }
039
040    public int getFixedSize() {
041        return 8;
042    }
043
044    public Long deepCopy(Long source) {
045        return source;
046    }
047
048    public boolean isDeepCopySupported() {
049        return true;
050    }
051}