/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import java.util.ArrayList;
import java.util.List;
import java.util.TreeSet;
/**
* Builds {@link CategoryDataset}.
*
* <p>
* This code works around an issue in {@link DefaultCategoryDataset} where
* order of addition changes the way they are drawn.
*
* @param <Row>
* Names that identify different graphs drawn in the same chart.
* @param <Column>
* X-axis.
*/
public final class DataSetBuilder<Row extends Comparable,Column extends Comparable> {
private List<Number> values = new ArrayList<Number>();
private List<Row> rows = new ArrayList<Row>();
private List<Column> columns = new ArrayList<Column>();
public void add( Number value, Row rowKey, Column columnKey ) {
values.add(value);
rows.add(rowKey);
columns.add(columnKey);
}
public CategoryDataset build() {
DefaultCategoryDataset ds = new DefaultCategoryDataset();
TreeSet<Row> rowSet = new TreeSet<Row>(rows);
TreeSet<Column> colSet = new TreeSet<Column>(columns);
Comparable[] _rows = rowSet.toArray(new Comparable[rowSet.size()]);
Comparable[] _cols = colSet.toArray(new Comparable[colSet.size()]);
// insert rows and columns in the right order
for (Comparable r : _rows)
ds.setValue(null, r, _cols[0]);
for (Comparable c : _cols)
ds.setValue(null, _rows[0], c);
for( int i=0; i<values.size(); i++ )
ds.addValue( values.get(i), rows.get(i), columns.get(i) );
return ds;
}
}