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.kahadb.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}