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package org.netbeans.lib.profiler.heap;
import javax.swing.BoundedRangeModel;
import javax.swing.DefaultBoundedRangeModel;
import javax.swing.SwingUtilities;
/**
* @author Tomas Hurka
*/
public final class HeapProgress {
public static final int PROGRESS_MAX = 1000;
private static ThreadLocal<BoundedRangeModel> progressThreadLocal = new ThreadLocal<BoundedRangeModel>();
private HeapProgress() {
}
public static BoundedRangeModel getProgress() {
BoundedRangeModel model = (BoundedRangeModel) progressThreadLocal.get();
if (model == null) {
model = new DefaultBoundedRangeModel(0,0,0,PROGRESS_MAX);
progressThreadLocal.set(model);
}
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) {
progress(value,0,value,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);
setValue(model, (int)val);
}
}
static void progressFinish() {
BoundedRangeModel model = (BoundedRangeModel) progressThreadLocal.get();
if (model != null) {
setValue(model, PROGRESS_MAX);
progressThreadLocal.remove();
}
}
private static void setValue(final BoundedRangeModel model, final int val) {
if (SwingUtilities.isEventDispatchThread()) {
model.setValue(val);
} else {
SwingUtilities.invokeLater(new Runnable() {
public void run() { model.setValue(val); }
});
}
}
}