@Override
	public SetMultimap<TextNode, String> getContentAnchorages() {
		HashMultimap<TextNode, String> res = HashMultimap.create();
		res.put(getContent(), "START");
		res.put(getContent(), "END");
		return res;
	}

	@Override
	public SetMultimap<? extends Object, String> getContentAnchorages() {
		HashMultimap<Object, String> res = HashMultimap.create();
		TextNodeRelation nr = getContent();
		res.put( nr.getParent(), "START");
		res.put( nr.getChild(), "END");
		return res;
	}

public class SideAnchorProvider implements Provider<IAnchor>, IAdaptable.Bound<IVisualPart<Node, ? extends Node>> {
	private ChopBoxAnchor.IComputationStrategy strategy = new ChopBoxAnchor.IComputationStrategy(){
		@Override
		public Point computePositionInScene(Node anchorage, Node anchored, Point anchoredReferencePointInLocal) {
			Map<Node, IVisualPart<Node, ? extends Node>> partMap = visualPart.getRoot().getViewer().getVisualPartMap();
			
			IVisualPart<Node, ? extends Node> anchoredPart = partMap.get(anchored);
			IVisualPart<Node, ? extends Node> anchoragePart = partMap.get(anchorage);
			
			String role = anchoredPart.getAnchorages()
					.get(anchoragePart)
					.iterator().next();
			
			if( "START".equals(role) ){
				Bounds bnds = anchorage.getBoundsInLocal();
				bnds = anchorage.localToScene(bnds);
				return new Point( bnds.getMaxX(), bnds.getMinY() + bnds.getHeight() /2 );
			}
			if( "END".equals(role) ){
				Bounds bnds = anchorage.getBoundsInLocal();
				bnds = anchorage.localToScene(bnds);
				return new Point( bnds.getMinX(), bnds.getMinY() + bnds.getHeight() /2 );
			}
			throw new RuntimeException();
		}
	};
	@Override
	public IAnchor get() {
		if (anchor == null) {
			anchor = new ChopBoxAnchor(getAdaptable().getVisual(), strategy );
		}
		return anchor;
	}

	@Override
	public IVisualPart<Node, ? extends Node> getAdaptable() {
		return visualPart;
	}

	@Override
	public void setAdaptable(IVisualPart<Node, ? extends Node> adaptable) {
		this.visualPart = adaptable;
	}

}

		visual.setRouter(new IConnectionRouter(){
			@Override
			public ICurve routeConnection(Point[] points) {
				if (points == null || points.length < 2) {
					return new Line(0, 0, 0, 0);
				}
				if( points.length > 2 ) throw new RuntimeException("len: "+points.length);
				Point start = ( points[0].x < points[1].x ) ? points[0] : points[1];
				Point end   = ( points[0].x > points[1].x ) ? points[0] : points[1];
				Point p1 = new Point( start.x + HSPACE, start.y );
				Point p2 = new Point( start.x + HSPACE, end.y );
				Polyline poly = new Polyline(start, p1, p2, end );
				return poly;
			}
		});