jdk/src/jdk.dev/share/classes/com/sun/tools/hat/internal/server/FinalizerSummaryQuery.java
--- a/jdk/src/jdk.dev/share/classes/com/sun/tools/hat/internal/server/FinalizerSummaryQuery.java Tue May 19 20:04:29 2015 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,128 +0,0 @@
-/*
- * Copyright (c) 1997, 2014, 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 java.util.*;
-
-public class FinalizerSummaryQuery extends QueryHandler {
- public void run() {
- Enumeration<?> objs = snapshot.getFinalizerObjects();
- startHtml("Finalizer Summary");
-
- out.println("<p align='center'>");
- out.println("<b><a href='/'>All Classes (excluding platform)</a></b>");
- out.println("</p>");
-
- printFinalizerSummary(objs);
- endHtml();
- }
-
- private static class HistogramElement {
- public HistogramElement(JavaClass clazz) {
- this.clazz = clazz;
- }
-
- public void updateCount() {
- this.count++;
- }
-
- public int compare(HistogramElement other) {
- long diff = other.count - count;
- return (diff == 0L)? 0 : ((diff > 0L)? +1 : -1);
- }
-
- public JavaClass getClazz() {
- return clazz;
- }
-
- public long getCount() {
- return count;
- }
-
- private JavaClass clazz;
- private long count;
- }
-
- private void printFinalizerSummary(Enumeration<?> objs) {
- int count = 0;
- Map<JavaClass, HistogramElement> map = new HashMap<JavaClass, HistogramElement>();
-
- while (objs.hasMoreElements()) {
- JavaHeapObject obj = (JavaHeapObject) objs.nextElement();
- count++;
- JavaClass clazz = obj.getClazz();
- if (! map.containsKey(clazz)) {
- map.put(clazz, new HistogramElement(clazz));
- }
- HistogramElement element = map.get(clazz);
- element.updateCount();
- }
-
- out.println("<p align='center'>");
- out.println("<b>");
- out.println("Total ");
- if (count != 0) {
- out.print("<a href='/finalizerObjects/'>instances</a>");
- } else {
- out.print("instances");
- }
- out.println(" pending finalization: ");
- out.print(count);
- out.println("</b></p><hr>");
-
- if (count == 0) {
- return;
- }
-
- // calculate and print histogram
- HistogramElement[] elements = new HistogramElement[map.size()];
- map.values().toArray(elements);
- Arrays.sort(elements, new Comparator<HistogramElement>() {
- public int compare(HistogramElement o1, HistogramElement o2) {
- return o1.compare(o2);
- }
- });
-
- out.println("<table border=1 align=center>");
- out.println("<tr><th>Count</th><th>Class</th></tr>");
- for (int j = 0; j < elements.length; j++) {
- out.println("<tr><td>");
- out.println(elements[j].getCount());
- out.println("</td><td>");
- printClass(elements[j].getClazz());
- out.println("</td><tr>");
- }
- out.println("</table>");
- }
-}