/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.vm.memmgr.def;
import org.jnode.vm.classmgr.VmNormalClass;
import org.jnode.vm.classmgr.VmType;
import org.jnode.vm.facade.ObjectVisitor;
import org.vmmagic.pragma.Uninterruptible;
/**
* @author Martin Husted Hartvig (hagar@jnode.org)
*/
final class HeapStatisticsVisitor extends ObjectVisitor implements
Uninterruptible {
private final DefHeapStatistics heapStatistics;
public HeapStatisticsVisitor(DefHeapStatistics heapStatistics) {
this.heapStatistics = heapStatistics;
}
/**
* Count the visited object.
*
* @param object
* @return boolean
*/
public final boolean visit(Object object) {
int size = 0;
if (!heapStatistics.contains(object.getClass().getName())) {
final VmType<?> type = VmType.fromClass(object.getClass());
size = (type instanceof VmNormalClass ? ((VmNormalClass<?>) type)
.getObjectSize() : 0);
}
heapStatistics.add(object.getClass().getName(), size);
return true;
}
}