/**
* Calculates the begin time of this node, in the event that the begin time was not specified. The
* begin time is the latest of the end times of its predecessor nodes.
*/
private void calculateBeginTime() {
beginTime = 0;
for (Edge edge : enteringEdges) {
if (edge.getFromNode().getEndTime() > beginTime) {
beginTime = edge.getFromNode().getEndTime();
}
}
}
/**
* given a node find the edge from that node
*
* @param n the node of interest
* @return the edge from that node or <code> null</code> if no edge could be found.
*/
public Edge getEdgeFromNode(Node n) {
for (Edge e : enteringEdges) {
if (e.getFromNode() == n) {
return e;
}
}
return null;
}
/**
* Test if a Node has all Edges from the same Nodes and another Node.
*
* @param n node to check
* @return true if this Node has Edges from the same Nodes as n
*/
protected boolean hasEquivalentEnteringEdges(Node n) {
if (enteringEdges.size() != n.getEnteringEdges().size()) {
return false;
}
for (Edge e : enteringEdges) {
Node fromNode = e.getFromNode();
if (!n.hasEdgeFromNode(fromNode)) {
return false;
}
}
return true;
}