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Use CopyOnWriteArrayList in LayoutNotifier #561

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Sep 17, 2024
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Use CopyOnWriteArrayList in LayoutNotifier #561

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3 changes: 2 additions & 1 deletion org.eclipse.draw2d/src/org/eclipse/draw2d/Figure.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.CopyOnWriteArrayList;

import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
Expand Down Expand Up @@ -2100,7 +2101,7 @@ public boolean prune(IFigure f) {
final class LayoutNotifier implements LayoutManager {

LayoutManager realLayout;
List<LayoutListener> listeners = new ArrayList<>(1);
List<LayoutListener> listeners = new CopyOnWriteArrayList<>();

LayoutNotifier(LayoutManager layout, LayoutListener listener) {
realLayout = layout;
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