Esempio n. 1
0
 @Override
 public int hashCode() {
   int result = kmer != null ? kmer.hashCode() : 0;
   result = 31 * result + pos;
   result = 31 * result + (vertexType != null ? vertexType.hashCode() : 0);
   result = 31 * result + (missingFromGraph ? 1 : 0);
   result = 31 * result + cov;
   return result;
 }
  public Vector<VertexType> acyclicSP(BaseGraph<VertexType, EdgeType> g, VertexType v)
      throws InvalidVertexException {
    BaseGraph<VertexType, EdgeType> gcopy = g.copy(gc);
    final Integer dist[] = new Integer[g.getVerticesCount()];
    Vector<VertexType> prev = new Vector<VertexType>();
    Queue<VertexType> Q = new LinkedList<VertexType>();
    HashMap<VertexType, VertexType> gcopy2g = new HashMap<VertexType, VertexType>();
    HashMap<Integer, VertexType> t = new HashMap<Integer, VertexType>();
    for (VertexType type : gcopy) t.put(type.getId(), type);
    for (VertexType type : g) gcopy2g.put(t.get(type.getId()), type);
    for (int i = 0; i < dist.length; i++) dist[i] = Integer.MAX_VALUE;

    dist[v.getId()] = 0;

    for (VertexType u : gcopy) {
      if (gcopy.getInDegree(u) == 0) {
        Q.add(u);
      }
    }

    while (!Q.isEmpty()) {
      VertexType u = Q.poll();
      Iterator<EdgeType> iet = gcopy.edgeIterator(u);
      while (iet.hasNext()) {
        EdgeType e = iet.next();
        if ((dist[u.getId()] + e.getWeight()) < dist[e.target.getId()]) {
          dist[e.target.getId()] = dist[u.getId()] + e.getWeight();
          prev.add(e.target.getId(), u);
          dispatchEvent(
              new PreWorkEvent<VertexType, EdgeType>(gcopy2g.get(e.target), gcopy2g.get(u), gcopy));
          //                    System.out.println(e.target.getId());
        }
        if (gcopy.getInDegree((VertexType) e.target) == 1) Q.add((VertexType) e.target);
      }
      gcopy.removeVertex(u);
    }
    return prev;
  }