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The OpenTripPlanner multimodal journey planning system

There is a newer version: 2.5.0

package org.opentripplanner.routing.graphfinder;

import org.opentripplanner.routing.algorithm.astar.TraverseVisitor;
import org.opentripplanner.routing.core.State;
import org.opentripplanner.routing.graph.Edge;
import org.opentripplanner.routing.graph.Vertex;
import org.opentripplanner.routing.vertextype.TransitStopVertex;

import java.util.ArrayList;
import java.util.List;

/**
 * A TraverseVisitor used in finding stops while walking the street graph.
 */
public class StopFinderTraverseVisitor implements TraverseVisitor {

  /** A list of closest stops found while walking the graph */
  public final List stopsFound = new ArrayList<>();

  @Override
  public void visitEdge(Edge edge, State state) { }

  @Override
  public void visitEnqueue(State state) { }

  // Accumulate stops into ret as the search runs.
  @Override
  public void visitVertex(State state) {
    Vertex vertex = state.getVertex();
    if (vertex instanceof TransitStopVertex) {
      stopsFound.add(StopAtDistance.stopAtDistanceForState(state, ((TransitStopVertex) vertex).getStop()));
    }
  }
}