/*
 * $Id$
 *
 * 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.mmtk.nogc;

import org.jnode.annotation.Inline;
import org.jnode.vm.classmgr.VmClassLoader;
import org.jnode.vm.facade.GCStatistics;
import org.jnode.vm.memmgr.HeapHelper;
import org.jnode.vm.memmgr.mmtk.BaseMmtkHeapManager;
import org.vmmagic.unboxed.Address;
import org.vmmagic.unboxed.ObjectReference;

/**
 * MMTk NoGC based heap manager.
 * 
 * @author Ewout Prangsma (epr@users.sourceforge.net)
 */
public final class HeapManager extends BaseMmtkHeapManager {

    /** My statistics */
    private final NoGCStatistics statistics;

    /**
     * @param loader
     * @param helper
     */
    public HeapManager(VmClassLoader loader, HeapHelper helper) {
        super(loader, helper);
        this.statistics = new NoGCStatistics();
    }

    public final GCStatistics getStatistics() {
        return statistics;
    }

    @Inline
    protected final void bootPlan() {
        Plan.boot();
    }

    @Inline
    protected final Address alloc(int bytes, int align, int offset,
            int allocator) {
        return Plan.getInstance().alloc(bytes, align, offset, allocator);
    }

    @Inline
    protected final void postAlloc(ObjectReference object,
            ObjectReference typeRef, int bytes, int allocator) {
        Plan.getInstance().postAlloc(object, typeRef, bytes, allocator);
    }

    @Inline
    protected final int checkAllocator(int bytes, int align, int allocator) {
        return Plan.checkAllocator(bytes, align, allocator);
    }
}