serializebigdecimal.java

来自「High performance DB query」· Java 代码 · 共 64 行

/*
 * @(#)$Id: SerializeBigDecimal.java,v 1.6 2004/07/02 23:59:22 huebsch Exp $
 *
 * Copyright (c) 2001-2004 Regents of the University of California.
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached BERKELEY-LICENSE
 * file. If you do not find these files, copies can be found by writing to:
 * Computer Science Division, Database Group, Universite of California,
 * 617 Soda Hall #1776, Berkeley, CA 94720-1776. Attention: Berkeley License
 *
 * Copyright (c) 2003-2004 Intel Corporation. All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE file.
 * If you do not find these files, copies can be found by writing to:
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300,
 * Berkeley, CA, 94704.  Attention:  Intel License Inquiry.
 */


package util.network.serialization;

import java.math.BigDecimal;
import java.math.BigInteger;

/**
 * Class SerializeBigDecimal
 *
 */
public class SerializeBigDecimal {

    /**
     * Method serialize
     *
     * @param outputBuffer
     * @param value
     */
    public static void serialize(GenericByteBuffer outputBuffer,
                                 BigDecimal value) {
        if (value == null) {
            SerializeBigInteger.serialize(outputBuffer, null);
        } else {
            SerializeBigInteger.serialize(outputBuffer, value.unscaledValue());
            outputBuffer.putInt(value.scale());
        }
    }

    /**
     * Method deSerialize
     *
     * @param inputBuffer
     * @return
     */
    public static BigDecimal deSerialize(GenericByteBuffer inputBuffer) {
        BigInteger value = SerializeBigInteger.deSerialize(inputBuffer);

        if (value == null) {
            return null;
        } else {
            return new BigDecimal(value, inputBuffer.getInt());
        }
    }
}