/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.mmtk.vm;
import org.mmtk.plan.TraceLocal;
import org.vmmagic.pragma.Uninterruptible;
/**
* This class manages finalizable objects.
*/
@Uninterruptible
public abstract class FinalizableProcessor {
/**
* Clear the contents of the table. This is called when finalization is
* disabled to make it easier for VMs to change this setting at runtime.
*/
public abstract void clear();
/**
* Scan through the list of references.
*
* @param trace the thread local trace element.
* @param nursery {@code true} if it is safe to only scan new references.
*/
public abstract void scan(TraceLocal trace, boolean nursery);
/**
* Iterates over and forward entries in the table.
*
* @param trace the trace to use for the processing of the references
* @param nursery if {@code true}, scan only references generated since
* last scan. Otherwise, scan all references.
*/
public abstract void forward(TraceLocal trace, boolean nursery);
}