Esempio n. 1
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 /**
  * If there is an edge equal to e already in the list, return it. Otherwise return null.
  *
  * @return equal edge, if there is one already in the list null otherwise
  */
 public Edge findEqualEdge(final Edge e) {
   final OrientedCoordinateArray oca = new OrientedCoordinateArray(e.getLine());
   // will return null if no edge matches
   final Edge matchEdge = this.ocaMap.get(oca);
   return matchEdge;
 }
Esempio n. 2
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 /** Insert an edge unless it is already in the list */
 public void add(final Edge edge) {
   this.edges.add(edge);
   final OrientedCoordinateArray oca = new OrientedCoordinateArray(edge.getLine());
   this.ocaMap.put(oca, edge);
 }