How to use

setLogMessages

method

in

com.graphhopper.routing.ch.PrepareContractionHierarchies

public void createPreparations( GraphHopperStorage ghStorage, TraversalMode traversalMode )
{
  if (!isEnabled() || !preparations.isEmpty())
    return;
  if (weightings.isEmpty())
    throw new IllegalStateException("No CH weightings found");
  traversalMode = getNodeBase();
  for (Weighting weighting : getWeightings())
  {
    PrepareContractionHierarchies tmpPrepareCH = new PrepareContractionHierarchies(
        new GHDirectory("", DAType.RAM_INT), ghStorage, ghStorage.getGraph(CHGraph.class, weighting),
        weighting.getFlagEncoder(), weighting, traversalMode);
    tmpPrepareCH.setPeriodicUpdates(preparationPeriodicUpdates).
        setLazyUpdates(preparationLazyUpdates).
        setNeighborUpdates(preparationNeighborUpdates).
        setLogMessages(preparationLogMessages);
    addPreparation(tmpPrepareCH);
  }
}

public void createPreparations(GraphHopperStorage ghStorage, TraversalMode traversalMode) {
  if (!isEnabled() || !preparations.isEmpty())
    return;
  if (weightings.isEmpty())
    throw new IllegalStateException("No CH weightings found");
  traversalMode = getNodeBase();
  for (Weighting weighting : getWeightings()) {
    if (weighting instanceof GenericWeighting) {
      ((GenericWeighting) weighting).setGraph(ghStorage);
    }
    PrepareContractionHierarchies tmpPrepareCH = new PrepareContractionHierarchies(
        new GHDirectory("", DAType.RAM_INT), ghStorage, ghStorage.getGraph(CHGraph.class, weighting),
        weighting, traversalMode);
    tmpPrepareCH.setPeriodicUpdates(preparationPeriodicUpdates).
        setLazyUpdates(preparationLazyUpdates).
        setNeighborUpdates(preparationNeighborUpdates).
        setLogMessages(preparationLogMessages);
    addPreparation(tmpPrepareCH);
  }
}