private void configureContext(Context context) {
Set<Model> models = AnnotationUtils.getAnnotations(context.getClass(), Model.class);
GraphWalker annotation = context.getClass().getAnnotation(GraphWalker.class);
if (!models.isEmpty()) {
Path path = Paths.get(models.iterator().next().file());
ContextFactoryScanner.get(reflections, path).create(path, context);
}
if (!"".equals(annotation.value())) {
context.setPathGenerator(GeneratorFactory.parse(annotation.value()));
} else {
context.setPathGenerator(PathGeneratorFactory.createPathGenerator(annotation));
}
if (!"".equals(annotation.start())) {
context.setNextElement(getElement(context.getModel(), annotation.start()));
}
}
private List<Element> createConnectedComponent(
Map<Element, ElementStatus> elementStatusMap, Element root) {
List<Element> connectedComponent = new ArrayList<>();
Deque<Element> stack = new ArrayDeque<>();
stack.push(root);
while (!stack.isEmpty()) {
Element element = stack.pop();
if (ElementStatus.UNREACHABLE.equals(elementStatusMap.get(element))) {
connectedComponent.add(element);
elementStatusMap.put(element, ElementStatus.REACHABLE);
if (element instanceof RuntimeVertex) {
RuntimeVertex vertex = (RuntimeVertex) element;
for (RuntimeEdge edge : context.getModel().getOutEdges(vertex)) {
stack.push(edge);
}
} else if (element instanceof RuntimeEdge) {
RuntimeEdge edge = (RuntimeEdge) element;
stack.push(edge.getTargetVertex());
}
}
}
return Collections.unmodifiableList(connectedComponent);
}
public List<Element> getConnectedComponent(Element root) {
return createConnectedComponent(createElementStatusMap(context.getModel().getElements()), root);
}