Bug 315281 update copyrights for 3.6
bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/internal/databinding/property/value/SetSimpleValueObservableMap.java
public void run() {
										if (event.type == SimplePropertyEvent.CHANGE) {
											notifyIfChanged(event.getSource());
										} else if (event.type == SimplePropertyEvent.STALE) {
											boolean wasStale = !staleKeys
													.isEmpty();
											staleKeys.add(event.getSource());
											if (!wasStale)
												fireStale();
										}
									}
								});
							}
						}
					});
		}
		cachedValues = new IdentityMap();
		staleKeys = new IdentitySet();
		super.firstListenerAdded();
	}
	protected void lastListenerRemoved() {
		super.lastListenerRemoved();
		cachedValues.clear();
		cachedValues = null;
		staleKeys.clear();
		staleKeys = null;
	}
	protected void hookListener(Object addedKey) {
		if (cachedValues != null) {
			cachedValues.put(addedKey, detailProperty.getValue(addedKey));