public TimeLagGraphWrapper(GraphWrapper graphWrapper) {
if (graphWrapper == null) {
throw new NullPointerException("No graph wrapper.");
}
TimeLagGraph graph = new TimeLagGraph();
Graph _graph = graphWrapper.getGraph();
for (Node node : _graph.getNodes()) {
Node _node = node.like(node.getName() + ":0");
_node.setNodeType(node.getNodeType());
graph.addNode(_node);
}
for (Edge edge : _graph.getEdges()) {
if (!Edges.isDirectedEdge(edge)) {
throw new IllegalArgumentException();
}
Node from = edge.getNode1();
Node to = edge.getNode2();
Node _from = graph.getNode(from.getName(), 1);
Node _to = graph.getNode(to.getName(), 0);
graph.addDirectedEdge(_from, _to);
}
this.graph = graph;
}
public boolean setMaxLag(int maxLag) {
if (maxLag < 0) {
throw new IllegalArgumentException("Max lag must be at least 0: " + maxLag);
}
List<Node> lag0Nodes = getLag0Nodes();
boolean changed = false;
if (maxLag > this.getMaxLag()) {
this.maxLag = maxLag;
for (Node node : lag0Nodes) {
addNode(node);
}
for (Node node : lag0Nodes) {
List<Edge> edges = getGraph().getEdges(node);
for (Edge edge : edges) {
boolean b = addEdge(edge);
changed = changed || b;
}
}
} else if (maxLag < this.getMaxLag()) {
for (Node node : lag0Nodes) {
List<Edge> edges = getGraph().getEdges(node);
for (Edge edge : edges) {
Node tail = Edges.getDirectedEdgeTail(edge);
if (getNodeId(tail).getLag() > maxLag) {
getGraph().removeEdge(edge);
// throw new IllegalArgumentException("This edge has lag greater
// than the new maxLag: " + edge +
// " Please remove first.");
}
}
}
for (Node _node : getNodes()) {
if (getNodeId(_node).getLag() > maxLag) {
boolean b = getGraph().removeNode(_node);
changed = changed || b;
}
}
this.maxLag = maxLag;
}
getPcs().firePropertyChange("editingFinished", null, null);
return changed;
}