Logo Search packages:      
Sourcecode: visualvm version File versions  Download package


 * Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
 * specific language governing permissions and limitations under the
 * License.  When distributing the software, include this License Header
 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the GPL Version 2 section of the License file that
 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 * Contributor(s):
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
 * Microsystems, Inc. All Rights Reserved.
 * If you wish your version of this file to be governed by only the CDDL
 * or only the GPL Version 2, indicate your decision by adding
 * "[Contributor] elects to include this software in this distribution
 * under the [CDDL or GPL Version 2] license." If you do not indicate a
 * single choice of license, a recipient has the option to distribute
 * your version of this file under either the CDDL, the GPL Version 2 or
 * to extend the choice of license to its licensees as provided above.
 * However, if you add GPL Version 2 code and therefore, elected the GPL
 * Version 2 license, then the option applies only if the new code is
 * made subject to such option by the copyright holder.

package org.netbeans.lib.profiler.ui.charts;

import java.awt.Color;
import java.util.Iterator;
import java.util.Vector;

 * @author Jiri Sedlacek
00052 public abstract class AbstractPieChartModel implements PieChartModel {
    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private Vector listeners; // Data change listeners

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public abstract Color getItemColor(int index); // color of item

    // --- Abstract PieChartModel ------------------------------------------------
    public abstract int getItemCount(); // number of displayed (processed) items

    public abstract String getItemName(int index); // name of item

    public abstract double getItemValue(int index); // value of item

    public abstract double getItemValueRel(int index); // relative item value (<0, 1>, E(items) = 1)

    public abstract boolean hasData(); // does the model contain some non-zero item?

    // --- Listeners -------------------------------------------------------------

     * Adds new ChartModel listener.
     * @param listener ChartModel listener to add
00078     public synchronized void addChartModelListener(ChartModelListener listener) {
        if (listeners == null) {
            listeners = new Vector();

        if (!listeners.contains(listener)) {

     * Removes ChartModel listener.
     * @param listener ChartModel listener to remove
00092     public synchronized void removeChartModelListener(ChartModelListener listener) {
        if (listeners != null) {

     * Notifies all listeners about the data change.
00101     protected void fireChartDataChanged() {
        if (listeners == null) {

        Vector toNotify;

        synchronized (this) {
            toNotify = ((Vector) listeners.clone());

        Iterator iterator = toNotify.iterator();

        while (iterator.hasNext()) {
            ((ChartModelListener) iterator.next()).chartDataChanged();

Generated by  Doxygen 1.6.0   Back to index