Package net.sf.jasperreports.components.ofc

Source Code of net.sf.jasperreports.components.ofc.FillBarDataset

/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. 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 <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.components.ofc;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.fill.JRCalculator;
import net.sf.jasperreports.engine.fill.JRExpressionEvalException;
import net.sf.jasperreports.engine.fill.JRFillElementDataset;
import net.sf.jasperreports.engine.fill.JRFillObjectFactory;
import net.sf.jasperreports.engine.util.Pair;

/**
* @author Lucian Chirita (lucianc@users.sourceforge.net)
* @version $Id: FillBarDataset.java 3031 2009-08-27 11:14:57Z teodord $
*/
public class FillBarDataset extends JRFillElementDataset
{
 
  private final BarDataset dataset;

  private List seriesList;
 
  private Set seriesKeys = new LinkedHashSet();
  private Set categories = new LinkedHashSet();
  private Map values = new LinkedHashMap();
 
  public FillBarDataset(BarDataset dataset, JRFillObjectFactory factory)
  {
    super(dataset, factory);
   
    this.dataset = dataset;
   
    List datasetSeries = dataset.getSeries();
    seriesList = new ArrayList(datasetSeries.size());
    for (Iterator it = datasetSeries.iterator(); it.hasNext();)
    {
      BarSeries series = (BarSeries) it.next();
      FillBarSeries fillSeries = new FillBarSeries(series);
      seriesList.add(fillSeries);
    }
  }

  protected void customEvaluate(JRCalculator calculator)
      throws JRExpressionEvalException
  {
    for (Iterator it = seriesList.iterator(); it.hasNext();)
    {
      FillBarSeries series = (FillBarSeries) it.next();
      series.evaluate(calculator);
    }
  }

  protected void customIncrement()
  {
    for (Iterator it = seriesList.iterator(); it.hasNext();)
    {
      FillBarSeries series = (FillBarSeries) it.next();
      String seriesKey = series.getSeriesKey();
      String category = series.getCategory();
      Number value = series.getValue();
     
      seriesKeys.add(seriesKey);
      categories.add(category);
      values.put(new Pair(seriesKey, category), value);
    }
  }

  protected void customInitialize()
  {
    seriesKeys.clear();
    categories.clear();
    values.clear();
  }

  public void collectExpressions(JRExpressionCollector collector)
  {
    BarChartCompiler.collectExpressions(dataset, collector);
  }

  public void finishDataset()
  {
    super.increment();
  }
 
  public Set getSeriesKeys()
  {
    return seriesKeys;
  }
 
  public Set getCategories()
  {
    return categories;
  }
 
  public Number getValue(String seriesKey, String category)
  {
    return (Number) values.get(new Pair(seriesKey, category));
  }

}
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