/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library 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 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------------------------
* YIntervalSeriesCollection.java
* ------------------------------
* (C) Copyright 2006, 2007, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 20-Oct-2006 : Version 1 (DG);
* 27-Nov-2006 : Added clone() override (DG);
* 20-Feb-2007 : Added getYValue(), getStartYValue() and getEndYValue()
* methods (DG);
*
*/
package org.jfree.data.xy;
import java.io.Serializable;
import java.util.List;
import org.jfree.data.general.DatasetChangeEvent;
import org.jfree.util.ObjectUtilities;
/**
* A collection of {@link YIntervalSeries} objects.
*
* @since 1.0.3
*
* @see YIntervalSeries
*/
public class YIntervalSeriesCollection extends AbstractIntervalXYDataset
implements IntervalXYDataset, Serializable {
/** Storage for the data series. */
private List data;
/**
* Creates a new instance of <code>YIntervalSeriesCollection</code>.
*/
public YIntervalSeriesCollection() {
this.data = new java.util.ArrayList();
}
/**
* Adds a series to the collection and sends a {@link DatasetChangeEvent}
* to all registered listeners.
*
* @param series the series (<code>null</code> not permitted).
*/
public void addSeries(YIntervalSeries series) {
if (series == null) {
throw new IllegalArgumentException("Null 'series' argument.");
}
this.data.add(series);
series.addChangeListener(this);
fireDatasetChanged();
}
/**
* Returns the number of series in the collection.
*
* @return The series count.
*/
public int getSeriesCount() {
return this.data.size();
}
/**
* Returns a series from the collection.
*
* @param series the series index (zero-based).
*
* @return The series.
*
* @throws IllegalArgumentException if <code>series</code> is not in the
* range <code>0</code> to <code>getSeriesCount() - 1</code>.
*/
public YIntervalSeries getSeries(int series) {
if ((series < 0) || (series >= getSeriesCount())) {
throw new IllegalArgumentException("Series index out of bounds");
}
return (YIntervalSeries) this.data.get(series);
}
/**
* Returns the key for a series.
*
* @param series the series index (in the range <code>0</code> to
* <code>getSeriesCount() - 1</code>).
*
* @return The key for a series.
*
* @throws IllegalArgumentException if <code>series</code> is not in the
* specified range.
*/
public Comparable getSeriesKey(int series) {
// defer argument checking
return getSeries(series).getKey();
}
/**
* Returns the number of items in the specified series.
*
* @param series the series (zero-based index).
*
* @return The item count.
*
* @throws IllegalArgumentException if <code>series</code> is not in the
* range <code>0</code> to <code>getSeriesCount() - 1</code>.
*/
public int getItemCount(int series) {
// defer argument checking
return getSeries(series).getItemCount();
}
/**
* Returns the x-value for an item within a series.
*
* @param series the series index.
* @param item the item index.
*
* @return The x-value.
*/
public Number getX(int series, int item) {
YIntervalSeries s = (YIntervalSeries) this.data.get(series);
return s.getX(item);
}
/**
* Returns the y-value (as a double primitive) for an item within a
* series.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
*
* @return The value.
*/
public double getYValue(int series, int item) {
YIntervalSeries s = (YIntervalSeries) this.data.get(series);
return s.getYValue(item);
}
/**
* Returns the start y-value (as a double primitive) for an item within a
* series.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
*
* @return The value.
*/
public double getStartYValue(int series, int item) {
YIntervalSeries s = (YIntervalSeries) this.data.get(series);
return s.getYLowValue(item);
}
/**
* Returns the end y-value (as a double primitive) for an item within a
* series.
*
* @param series the series (zero-based index).
* @param item the item (zero-based index).
*
* @return The value.
*/
public double getEndYValue(int series, int item) {
YIntervalSeries s = (YIntervalSeries) this.data.get(series);
return s.getYHighValue(item);
}
/**
* Returns the y-value for an item within a series.
*
* @param series the series index.
* @param item the item index.
*
* @return The y-value.
*/
public Number getY(int series, int item) {
YIntervalSeries s = (YIntervalSeries) this.data.get(series);
return new Double(s.getYValue(item));
}
/**
* Returns the start x-value for an item within a series. This method
* maps directly to {@link #getX(int, int)}.
*
* @param series the series index.
* @param item the item index.
*
* @return The x-value.
*/
public Number getStartX(int series, int item) {
return getX(series, item);
}
/**
* Returns the end x-value for an item within a series. This method
* maps directly to {@link #getX(int, int)}.
*
* @param series the series index.
* @param item the item index.
*
* @return The x-value.
*/
public Number getEndX(int series, int item) {
return getX(series, item);
}
/**
* Returns the start y-value for an item within a series.
*
* @param series the series index.
* @param item the item index.
*
* @return The start y-value.
*/
public Number getStartY(int series, int item) {
YIntervalSeries s = (YIntervalSeries) this.data.get(series);
return new Double(s.getYLowValue(item));
}
/**
* Returns the end y-value for an item within a series.
*
* @param series the series index.
* @param item the item index.
*
* @return The end y-value.
*/
public Number getEndY(int series, int item) {
YIntervalSeries s = (YIntervalSeries) this.data.get(series);
return new Double(s.getYHighValue(item));
}
/**
* Tests this instance for equality with an arbitrary object.
*
* @param obj the object (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof YIntervalSeriesCollection)) {
return false;
}
YIntervalSeriesCollection that = (YIntervalSeriesCollection) obj;
return ObjectUtilities.equal(this.data, that.data);
}
/**
* Returns a clone of this instance.
*
* @return A clone.
*
* @throws CloneNotSupportedException if there is a problem.
*/
public Object clone() throws CloneNotSupportedException {
YIntervalSeriesCollection clone
= (YIntervalSeriesCollection) super.clone();
clone.data = (List) ObjectUtilities.deepClone(this.data);
return clone;
}
}
|