Ejemplo n.º 1
0
  @Override
  public boolean loadExisting() {
    baseGraph.checkInit();
    if (properties.loadExisting()) {
      properties.checkVersions(false);
      // check encoding for compatiblity
      String acceptStr = properties.get("graph.flagEncoders");

      if (encodingManager == null) {
        if (acceptStr.isEmpty())
          throw new IllegalStateException(
              "No EncodingManager was configured. And no one was found in the graph: "
                  + dir.getLocation());

        int bytesForFlags = 4;
        if ("8".equals(properties.get("graph.bytesForFlags"))) bytesForFlags = 8;
        encodingManager = new EncodingManager(acceptStr, bytesForFlags);
      } else if (!acceptStr.isEmpty()
          && !encodingManager.toDetailsString().equalsIgnoreCase(acceptStr)) {
        throw new IllegalStateException(
            "Encoding does not match:\nGraphhopper config: "
                + encodingManager.toDetailsString()
                + "\nGraph: "
                + acceptStr
                + ", dir:"
                + dir.getLocation());
      }

      String byteOrder = properties.get("graph.byteOrder");
      if (!byteOrder.equalsIgnoreCase("" + dir.getByteOrder()))
        throw new IllegalStateException(
            "Configured graph.byteOrder ("
                + dir.getByteOrder()
                + ") is not equal to loaded "
                + byteOrder
                + "");

      String bytesForFlags = properties.get("graph.bytesForFlags");
      if (!bytesForFlags.equalsIgnoreCase("" + encodingManager.getBytesForFlags()))
        throw new IllegalStateException(
            "Configured graph.bytesForFlags ("
                + encodingManager.getBytesForFlags()
                + ") is not equal to loaded "
                + bytesForFlags);

      String dim = properties.get("graph.dimension");
      baseGraph.loadExisting(dim);

      for (CHGraphImpl cg : chGraphs) {
        if (!cg.loadExisting()) throw new IllegalStateException("Cannot load " + cg);
      }

      return true;
    }
    return false;
  }
Ejemplo n.º 2
0
  /** After configuring this storage you need to create it explicitly. */
  @Override
  public GraphHopperStorage create(long byteCount) {
    baseGraph.checkInit();
    if (encodingManager == null) {
      throw new IllegalStateException("EncodingManager can only be null if you call loadExisting");
    }

    long initSize = Math.max(byteCount, 100);
    properties.create(100);

    properties.put("graph.bytesForFlags", encodingManager.getBytesForFlags());
    properties.put("graph.flagEncoders", encodingManager.toDetailsString());

    properties.put("graph.byteOrder", dir.getByteOrder());
    properties.put("graph.dimension", baseGraph.nodeAccess.getDimension());
    properties.putCurrentVersions();

    baseGraph.create(initSize);

    for (CHGraphImpl cg : chGraphs) {
      cg.create(byteCount);
    }

    properties.put("graph.chWeightings", getCHWeightings().toString());
    return this;
  }