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 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * The contents of this file are subject to the terms of either the GNU
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 * Development and Distribution License("CDDL") (collectively, the
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package org.netbeans.lib.profiler.heap;

import javax.swing.BoundedRangeModel;
import javax.swing.DefaultBoundedRangeModel;

 * @author Tomas Hurka
00050 public final class HeapProgress {
    public static final int PROGRESS_MAX = 1000;
    private static ThreadLocal progressThreadLocal = new ThreadLocal();
    private HeapProgress() {
    public static BoundedRangeModel getProgress() {
        BoundedRangeModel model = (BoundedRangeModel) progressThreadLocal.get();
        if (model == null) {
            model = new DefaultBoundedRangeModel(0,0,0,PROGRESS_MAX);
        return model;
    static void progress(long counter, long startOffset, long value, long endOffset) {
        // keep this method short so that it can be inlined 
        if (counter % 100000 == 0) {
            progress(value, endOffset, startOffset);

    static void progress(long value, long endValue) {
    private static void progress(final long value, final long endOffset, final long startOffset) {
        BoundedRangeModel model = (BoundedRangeModel) progressThreadLocal.get();
        if (model != null) {
            long val = PROGRESS_MAX*(value - startOffset)/(endOffset - startOffset);
    static void progressFinish() {
        BoundedRangeModel model = (BoundedRangeModel) progressThreadLocal.get();
        if (model != null) {

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