/** @see Graph#removeEdge(Object) */
public boolean removeEdge(E e) {
if (containsEdge(e)) {
specifics.removeEdgeFromTouchingVertices(e);
edgeMap.remove(e);
return true;
} else {
return false;
}
}
/** @see Graph#removeEdge(Object, Object) */
public E removeEdge(V sourceVertex, V targetVertex) {
E e = getEdge(sourceVertex, targetVertex);
if (e != null) {
specifics.removeEdgeFromTouchingVertices(e);
edgeMap.remove(e);
}
return e;
}