/*
* Copyright (c) 2011, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.max.ins.object;
import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import com.sun.max.ins.*;
import com.sun.max.ins.debug.*;
import com.sun.max.ins.gui.*;
import com.sun.max.ins.value.*;
import com.sun.max.tele.*;
import com.sun.max.tele.object.*;
import com.sun.max.vm.heap.gcx.*;
import com.sun.max.vm.value.*;
/**
* A table specialized for displaying information derived from a VM's heap region info, to ease GC debugging.
*/
final class HeapRegionInfoTable extends InspectorTable {
static public enum HeapRegionInfoColumnKind implements ColumnKind {
NAME("Info", "Heap Region Info"),
VALUE("Value", "value");
private final String label;
private final String toolTipText;
private HeapRegionInfoColumnKind(String label, String toolTipText) {
this.label = label;
this.toolTipText = toolTipText;
}
public boolean isSupported(MaxVM vm) {
return true;
}
public String label() {
return label;
}
public String toolTipText() {
return toolTipText;
}
public boolean canBeMadeInvisible() {
return false;
}
public boolean defaultVisibility() {
return true;
}
public int minWidth() {
return -1;
}
}
/**
* Persistent preferences for viewing heap regions info.
*/
static final class HeapRegionInfoViewPreferences extends com.sun.max.ins.gui.TableColumnVisibilityPreferences<HeapRegionInfoColumnKind> {
private static HeapRegionInfoViewPreferences globalPreferences;
/**
* @return the global, persistent set of user preferences for viewing a table of memory HeapRegionInfo.
*/
static HeapRegionInfoViewPreferences globalPreferences(Inspection inspection) {
if (globalPreferences == null) {
globalPreferences = new HeapRegionInfoViewPreferences(inspection);
}
return globalPreferences;
}
// Prefix for all persistent column preferences in view
private static final String HEAP_REGION_INFO_COLUMN_PREFERENCE = "heapRegionInfoViewColumn";
/**
* @return a GUI panel suitable for setting global preferences for this kind of view.
*/
public static JPanel globalPreferencesPanel(Inspection inspection) {
return globalPreferences(inspection).getPanel();
}
/**
* Creates a set of preferences specified for use by singleton instances, where local and
* persistent global choices are identical.
*/
private HeapRegionInfoViewPreferences(Inspection inspection) {
super(inspection, HEAP_REGION_INFO_COLUMN_PREFERENCE, HeapRegionInfoColumnKind.values());
// There are no view preferences beyond the column choices, so no additional machinery needed here.
}
}
final class FlagsRenderer extends PlainLabel {
private void updateText() {
int flags = teleHeapRegionInfo.flags();
setValue(HeapRegionInfo.flagsToString(flags), intTo0xHex(flags));
}
public FlagsRenderer(Inspection inspection) {
super(inspection, "");
updateText();
}
@Override
public void refresh(boolean force) {
updateText();
}
@Override
public void redisplay() {
updateText();
}
}
final class TagRenderer extends PlainLabel {
private void updateText() {
int tag = teleHeapRegionInfo.tag();
//setValue(teleHeapScheme.tagName(tag), Integer.toString(tag));
setValue(Integer.toString(tag), Integer.toString(tag));
}
public TagRenderer(Inspection inspection) {
super(inspection, "");
updateText();
}
@Override
public void refresh(boolean force) {
updateText();
}
@Override
public void redisplay() {
updateText();
}
}
static final String [] infoNames = {"start", "end", "firstFreeChunk", "state", "tag"};
final class HeapRegionInfoTableModel extends InspectorTableModel implements TableCellRenderer, Prober {
TextLabel [] nameLabels = new TextLabel[infoNames.length];
InspectorLabel[] valueLabels = new InspectorLabel[infoNames.length];
public HeapRegionInfoTableModel(Inspection inspection) {
super(inspection);
valueLabels[0] = new WordValueLabel(inspection, WordValueLabel.ValueMode.REFERENCE, teleHeapRegionInfo.regionStart(), HeapRegionInfoTable.this);
valueLabels[1] = new WordValueLabel(inspection, WordValueLabel.ValueMode.REFERENCE, teleHeapRegionInfo.regionEnd(), HeapRegionInfoTable.this);
valueLabels[2] = new WordValueLabel(inspection, WordValueLabel.ValueMode.REFERENCE, teleHeapRegionInfo.firstFreeChunk(), HeapRegionInfoTable.this) {
@Override
protected Value fetchValue() {
return new WordValue(teleHeapRegionInfo.firstFreeChunk());
}
};
valueLabels[3] = new FlagsRenderer(inspection);
valueLabels[4] = new TagRenderer(inspection);
for (int i = 0; i < infoNames.length; i++) {
nameLabels[i] = new TextLabel(inspection, infoNames[i]);
}
}
@Override
public int getColumnCount() {
return HeapRegionInfoColumnKind.values().length;
}
@Override
public int getRowCount() {
return infoNames.length;
}
private Component getTableCellRendererComponent(int row, int col) {
switch (HeapRegionInfoColumnKind.values()[col]) {
case NAME:
return nameLabels[row];
case VALUE:
return valueLabels[row];
}
return null;
}
@Override
public Object getValueAt(int row, int col) {
return getTableCellRendererComponent(row, col);
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int col) {
return getTableCellRendererComponent(row, col);
}
@Override
public void refresh(boolean force) {
valueLabels[2].refresh(force);
valueLabels[3].refresh(force);
}
@Override
public void redisplay() {
}
}
final class HeapRegionInfoColumnModel extends InspectorTableColumnModel<HeapRegionInfoColumnKind> {
HeapRegionInfoColumnModel(TableCellRenderer cellRenderer, HeapRegionInfoViewPreferences viewPreferences) {
super(inspection(), HeapRegionInfoColumnKind.values().length, viewPreferences);
addColumnIfSupported(HeapRegionInfoColumnKind.NAME, cellRenderer, null);
addColumnIfSupported(HeapRegionInfoColumnKind.VALUE, cellRenderer, null);
}
}
private final InspectorView view;
private final HeapRegionInfoTableModel tableModel;
final TeleHeapRegionInfo teleHeapRegionInfo;
public HeapRegionInfoTable(Inspection inspection, InspectorView view, TeleHeapRegionInfo teleHeapRegionInfo) {
super(inspection);
this.view = view;
this.teleHeapRegionInfo = teleHeapRegionInfo;
tableModel = new HeapRegionInfoTableModel(inspection);
HeapRegionInfoColumnModel columnModel = new HeapRegionInfoColumnModel(tableModel, HeapRegionInfoViewPreferences.globalPreferences(inspection));
configureMemoryTable(tableModel, columnModel);
}
public InspectorView getView() {
return view;
}
public InspectorScrollPane makeHeapRegionInfoPane() {
return new InspectorScrollPane(inspection(), this) {
@Override
public void refresh(boolean force) {
HeapRegionInfoTable.this.refresh(force);
}
@Override
public void redisplay() {
HeapRegionInfoTable.this.redisplay();
}
};
}
}