author | ohair |
Wed, 30 Apr 2008 17:34:41 -0700 | |
changeset 468 | 642c8c0be52e |
parent 2 | 90ce3da70b43 |
child 715 | f16baef3a20e |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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642c8c0be52e
6695553: Cleanup GPLv2+SPL legal notices in hat sources
ohair
parents:
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* Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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/* |
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* The Original Code is HAT. The Initial Developer of the |
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* Original Code is Bill Foote, with contributions from others |
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468
642c8c0be52e
6695553: Cleanup GPLv2+SPL legal notices in hat sources
ohair
parents:
2
diff
changeset
|
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* at JavaSoft/Sun. |
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*/ |
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package com.sun.tools.hat.internal.server; |
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import com.sun.tools.hat.internal.model.JavaClass; |
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import java.util.Arrays; |
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import java.util.Comparator; |
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/** |
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* Prints histogram sortable by class name, count and size. |
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* |
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*/ |
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public class HistogramQuery extends QueryHandler { |
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public void run() { |
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JavaClass[] classes = snapshot.getClassesArray(); |
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Comparator<JavaClass> comparator; |
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if (query.equals("count")) { |
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comparator = new Comparator<JavaClass>() { |
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public int compare(JavaClass first, JavaClass second) { |
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long diff = (second.getInstancesCount(false) - |
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first.getInstancesCount(false)); |
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return (diff == 0)? 0: ((diff < 0)? -1 : + 1); |
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} |
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}; |
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} else if (query.equals("class")) { |
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comparator = new Comparator<JavaClass>() { |
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public int compare(JavaClass first, JavaClass second) { |
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return first.getName().compareTo(second.getName()); |
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} |
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}; |
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} else { |
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// default sort is by total size |
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comparator = new Comparator<JavaClass>() { |
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public int compare(JavaClass first, JavaClass second) { |
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long diff = (second.getTotalInstanceSize() - |
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first.getTotalInstanceSize()); |
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return (diff == 0)? 0: ((diff < 0)? -1 : + 1); |
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} |
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}; |
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} |
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Arrays.sort(classes, comparator); |
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startHtml("Heap Histogram"); |
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out.println("<p align='center'>"); |
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out.println("<b><a href='/'>All Classes (excluding platform)</a></b>"); |
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out.println("</p>"); |
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out.println("<table align=center border=1>"); |
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out.println("<tr><th><a href='/histo/class'>Class</a></th>"); |
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out.println("<th><a href='/histo/count'>Instance Count</a></th>"); |
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out.println("<th><a href='/histo/size'>Total Size</a></th></tr>"); |
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for (int i = 0; i < classes.length; i++) { |
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JavaClass clazz = classes[i]; |
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out.println("<tr><td>"); |
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printClass(clazz); |
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out.println("</td>"); |
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out.println("<td>"); |
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out.println(clazz.getInstancesCount(false)); |
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out.println("</td>"); |
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out.println("<td>"); |
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out.println(clazz.getTotalInstanceSize()); |
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out.println("</td></tr>"); |
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} |
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out.println("</table>"); |
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endHtml(); |
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} |
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} |