/*
* Copyright (c) 1997, 2008, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*/
/*
* The Original Code is HAT. The Initial Developer of the
* Original Code is Bill Foote, with contributions from others
* at JavaSoft/Sun.
*/
package com.sun.tools.hat.internal.server;
import com.sun.tools.hat.internal.model.*;
import com.sun.tools.hat.internal.util.ArraySorter;
import com.sun.tools.hat.internal.util.Comparer;
import java.util.Enumeration;
/**
*
* @author Bill Foote
*/
class InstancesCountQuery extends QueryHandler {
private boolean excludePlatform;
public InstancesCountQuery(boolean excludePlatform) {
this.excludePlatform = excludePlatform;
}
public void run() {
if (excludePlatform) {
startHtml("Instance Counts for All Classes (excluding platform)");
} else {
startHtml("Instance Counts for All Classes (including platform)");
}
JavaClass[] classes = snapshot.getClassesArray();
if (excludePlatform) {
int num = 0;
for (int i = 0; i < classes.length; i++) {
if (! PlatformClasses.isPlatformClass(classes[i])) {
classes[num++] = classes[i];
}
}
JavaClass[] tmp = new JavaClass[num];
System.arraycopy(classes, 0, tmp, 0, tmp.length);
classes = tmp;
}
ArraySorter.sort(classes, new Comparer() {
public int compare(Object lhso, Object rhso) {
JavaClass lhs = (JavaClass) lhso;
JavaClass rhs = (JavaClass) rhso;
int diff = lhs.getInstancesCount(false)
- rhs.getInstancesCount(false);
if (diff != 0) {
return -diff; // Sort from biggest to smallest
}
String left = lhs.getName();
String right = rhs.getName();
if (left.startsWith("[") != right.startsWith("[")) {
// Arrays at the end
if (left.startsWith("[")) {
return 1;
} else {
return -1;
}
}
return left.compareTo(right);
}
});
String lastPackage = null;
long totalSize = 0;
long instances = 0;
for (int i = 0; i < classes.length; i++) {
JavaClass clazz = classes[i];
int count = clazz.getInstancesCount(false);
print("" + count);
printAnchorStart();
out.print("instances/" + encodeForURL(classes[i]));
out.print("\"> ");
if (count == 1) {
print("instance");
} else {
print("instances");
}
out.print("</a> ");
if (snapshot.getHasNewSet()) {
Enumeration objects = clazz.getInstances(false);
int newInst = 0;
while (objects.hasMoreElements()) {
JavaHeapObject obj = (JavaHeapObject)objects.nextElement();
if (obj.isNew()) {
newInst++;
}
}
print("(");
printAnchorStart();
out.print("newInstances/" + encodeForURL(classes[i]));
out.print("\">");
print("" + newInst + " new");
out.print("</a>) ");
}
print("of ");
printClass(classes[i]);
out.println("<br>");
instances += count;
totalSize += classes[i].getTotalInstanceSize();
}
out.println("<h2>Total of " + instances + " instances occupying " + totalSize + " bytes.</h2>");
out.println("<h2>Other Queries</h2>");
out.println("<ul>");
out.print("<li>");
printAnchorStart();
if (!excludePlatform) {
out.print("showInstanceCounts/\">");
print("Show instance counts for all classes (excluding platform)");
} else {
out.print("showInstanceCounts/includePlatform/\">");
print("Show instance counts for all classes (including platform)");
}
out.println("</a>");
out.print("<li>");
printAnchorStart();
out.print("allClassesWithPlatform/\">");
print("Show All Classes (including platform)");
out.println("</a>");
out.print("<li>");
printAnchorStart();
out.print("\">");
print("Show All Classes (excluding platform)");
out.println("</a>");
out.println("</ul>");
endHtml();
}
}