/**
* @param endVertex end vertex.
* @return list of <code>Edge</code>, or null if no path exists between the start vertex and the
* end vertex.
*/
public List<E> getPathEdgeList(V endVertex) {
assertGetPath(endVertex);
lazyCalculate();
BellmanFordPathElement<V, E> pathElement = this.iter.getPathElement(endVertex);
if (pathElement == null) {
return null;
}
return pathElement.createEdgeListPath();
}
/**
* @param endVertex end vertex.
* @return the cost of the shortest path between the start vertex and the end vertex.
*/
public double getCost(V endVertex) {
assertGetPath(endVertex);
lazyCalculate();
BellmanFordPathElement<V, E> pathElement = this.iter.getPathElement(endVertex);
if (pathElement == null) {
return Double.POSITIVE_INFINITY;
}
return pathElement.getCost();
}