private SourceCodeEdge createEdgeBetweenParents(
Class<? extends SourceCode> type, SourceClass from, SourceClass to, SourceCodeEdge rootEdge) {
SourceCode fromParent = from.getParent(type);
SourceCode toParent = to.getParent(type);
SourceCodeEdge parentEdge = null;
if (canWeLinkNodes(fromParent, toParent) && rootEdge != null) {
if (graph.getEdge(fromParent, toParent) == null) {
parentEdge = new SourceCodeEdge(fromParent, toParent, SourceCodeEdgeUsage.USES);
parentEdge.addRootEdge(rootEdge);
graph.addEdge(parentEdge);
fromParent.add(Metric.CE, 1);
toParent.add(Metric.CA, 1);
} else {
parentEdge = graph.getEdge(fromParent, toParent);
if (!parentEdge.hasAnEdgeFromRootNode(rootEdge.getFrom())) {
toParent.add(Metric.CA, 1);
}
if (!parentEdge.hasAnEdgeToRootNode(rootEdge.getTo())) {
fromParent.add(Metric.CE, 1);
}
parentEdge.addRootEdge(rootEdge);
}
}
return parentEdge;
}
