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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.data.cache;
/**
* @author Lucian Chirita ([email protected])
*/
public enum ValueLength
{
BYTE(1), SHORT(2), INT(4), LONG(8),
FLOAT(4), DOUBLE(8),
REFERENCE(4);// FIXME lucianc using 4 bytes for references, but this actually varies
private final int byteLength;
private ValueLength(int byteLength)
{
this.byteLength = byteLength;
}
public int byteLength()
{
return byteLength;
}
public static ValueLength getNumberLength(long value)
{
ValueLength valueLength;
if ((value & 0xffffffffffffff00L) == 0)
{
// byte values
valueLength = ValueLength.BYTE;
}
else if ((value & 0xffffffffffff0000L) == 0)
{
// short values
valueLength = ValueLength.SHORT;
}
else if ((value & 0xffffffff00000000L) == 0)
{
// int values
valueLength = ValueLength.INT;
}
else
{
valueLength = ValueLength.LONG;
}
return valueLength;
}
}