/***********************************************************************************************
* File Info: $Id: StackedDataProcessor.java,v 1.1 2003/05/17 16:57:50 nathaniel_auvil Exp $
* Copyright (C) 2002
* Author: Nathaniel G. Auvil
* Contributor(s):
*
* Copyright 2002 (C) Nathaniel G. Auvil. All Rights Reserved.
*
* Redistribution and use of this software and associated documentation ("Software"), with or
* without modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and notices.
* Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. The name "jCharts" or "Nathaniel G. Auvil" must not be used to endorse or promote
* products derived from this Software without prior written permission of Nathaniel G.
* Auvil. For written permission, please contact nathaniel_auvil@users.sourceforge.net
*
* 4. Products derived from this Software may not be called "jCharts" nor may "jCharts" appear
* in their names without prior written permission of Nathaniel G. Auvil. jCharts is a
* registered trademark of Nathaniel G. Auvil.
*
* 5. Due credit should be given to the jCharts Project (http://jcharts.sourceforge.net/).
*
* THIS SOFTWARE IS PROVIDED BY Nathaniel G. Auvil AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* jCharts OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,STRICT LIABILITY, OR TORT
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
************************************************************************************************/
package org.krysalis.jcharts.chartData.processors;
import org.krysalis.jcharts.chartData.interfaces.IAxisChartDataSet;
/*********************************************************************************************
* Notes:
* 1) Stacked data cannot have any negative values. I don't think i have ever seen a
* stacked bar chart with negative values just as a side observation.
*
* ---->There has been one request for this though...
*
*
*
**********************************************************************************************/
abstract class StackedDataProcessor
{
/*******************************************************************************************
* <pre>This method should do a single pass through the data set and calculate all needed values,
* such as: min, max, sum, etc... so that we can do this in one pass through the data.
* Rather than once for each.</pre>
*
* @param iAxisChartDataSet
* @param axisChartDataProcessor
********************************************************************************************/
public static final void processData( IAxisChartDataSet iAxisChartDataSet,
AxisChartDataProcessor axisChartDataProcessor )
{
double value;
//LOOP
for( int i=0; i < iAxisChartDataSet.getNumberOfDataItems(); i++ )
{
value=0.0d;
//LOOP
for( int j=0; j < iAxisChartDataSet.getNumberOfDataSets(); j++ )
{
value+=iAxisChartDataSet.getValue( j, i );
}
if( value > axisChartDataProcessor.getMaxValue() )
{
axisChartDataProcessor.setMaxValue( value );
}
if( value < axisChartDataProcessor.getMinValue() )
{
axisChartDataProcessor.setMinValue( value );
}
}
}
}