private void replaceVertex(JavaClass newClass) {
List<JavaClass> incomingEdges = getParents(newClass);
graph.removeVertex(newClass);
graph.addVertex(newClass);
for (JavaClass each : incomingEdges) {
graph.addEdge(each, newClass);
}
}
private void addToGraph(JavaClass newClass) {
if (!graph.addVertex(newClass)) {
replaceVertex(newClass);
}
}