/*
* 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.*;
/**
*
* @author Bill Foote
*/
class ReachableQuery extends QueryHandler {
// We inherit printFullClass from ClassQuery
public ReachableQuery() {
}
public void run() {
startHtml("Objects Reachable From " + query);
long id = parseHex(query);
JavaHeapObject root = snapshot.findThing(id);
ReachableObjects ro = new ReachableObjects(root,
snapshot.getReachableExcludes());
// Now, print out the sorted list, but start with root
long totalSize = ro.getTotalSize();
JavaThing[] things = ro.getReachables();
long instances = things.length;
out.print("<strong>");
printThing(root);
out.println("</strong><br>");
out.println("<br>");
for (int i = 0; i < things.length; i++) {
printThing(things[i]);
out.println("<br>");
}
printFields(ro.getUsedFields(), "Data Members Followed");
printFields(ro.getExcludedFields(), "Excluded Data Members");
out.println("<h2>Total of " + instances + " instances occupying " + totalSize + " bytes.</h2>");
endHtml();
}
private void printFields(String[] fields, String title) {
if (fields.length == 0) {
return;
}
out.print("<h3>");
print(title);
out.println("</h3>");
for (int i = 0; i < fields.length; i++) {
print(fields[i]);
out.println("<br>");
}
}
}