Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/bugspot/StackTracePanel.java @ 210:05712c37c828
6676016: ParallelOldGC leaks memory
Summary: ensure that GCTask threads release resource and handle memory
Reviewed-by: jmasa, chrisphi
author | jcoomes |
---|---|
date | Wed, 18 Jun 2008 18:36:47 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.bugspot; import java.awt.*; import java.awt.event.*; import java.util.*; import javax.swing.*; import sun.jvm.hotspot.debugger.cdbg.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.ui.*; /** This panel contains a ListBox with all of the stack frames in a given thread. When a given entry is selected, an event is fired. */ public class StackTracePanel extends JPanel { public interface Listener { public void frameChanged(CFrame fr, JavaVFrame jfr); } class Model extends AbstractListModel implements ComboBoxModel { private Object selectedItem; public Object getElementAt(int index) { if (trace == null) return null; return trace.get(index); } public int getSize() { if (trace == null) return 0; return trace.size(); } public Object getSelectedItem() { return selectedItem; } public void setSelectedItem(Object item) { selectedItem = item; } public void dataChanged() { fireContentsChanged(this, 0, trace.size()); } } private java.util.List trace; private Model model; private JComboBox list; private java.util.List listeners; public StackTracePanel() { super(); model = new Model(); // Build user interface setLayout(new BorderLayout()); setBorder(GraphicsUtilities.newBorder(5)); list = new JComboBox(model); list.setPrototypeDisplayValue("ZZZZZZZZZZZZZZZZZZZZZZZZZZZZ"); add(list, BorderLayout.CENTER); // Add selection listener list.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent e) { if (e.getStateChange() == ItemEvent.SELECTED) { fireFrameChanged(); } } }); } /** Takes a List of StackTraceEntry objects */ public void setTrace(java.util.List trace) { this.trace = trace; model.dataChanged(); list.setSelectedIndex(0); fireFrameChanged(); } public void addListener(Listener listener) { if (listeners == null) { listeners = new ArrayList(); } listeners.add(listener); } protected void fireFrameChanged() { if (listeners != null) { StackTraceEntry entry = (StackTraceEntry) trace.get(list.getSelectedIndex()); for (Iterator iter = listeners.iterator(); iter.hasNext(); ) { ((Listener) iter.next()).frameChanged(entry.getCFrame(), entry.getJavaFrame()); } } } }