if (nodeHash.containsKey(object)) {
return new Node[]{nodeHash.get(object)};
}
assert object instanceof Filter;
Filter filter = (Filter) object;
com.sun.hotspot.igv.filterwindow.FilterNode node = new com.sun.hotspot.igv.filterwindow.FilterNode(filter);
node.getSelectionChangedEvent().addListener(this);
nodeHash.put(object, node);
return new Node[]{node};
}