| 1 | package dk.deepthought.sidious.gui; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.List; |
| 5 | |
| 6 | import dk.deepthought.sidious.planner.AStarAlgorithm; |
| 7 | import dk.deepthought.sidious.planner.Plan; |
| 8 | import dk.deepthought.sidious.planner.graph.Vertex; |
| 9 | |
| 10 | /** |
| 11 | * Class works as a provider of messages from within the planner. |
| 12 | * |
| 13 | * @author Deepthought |
| 14 | * |
| 15 | */ |
| 16 | public class SidiousOutput { |
| 17 | |
| 18 | /** |
| 19 | * The singleton instance of this. |
| 20 | */ |
| 21 | private static final SidiousOutput INSTANCE = new SidiousOutput(); |
| 22 | |
| 23 | /** |
| 24 | * List of listeners. |
| 25 | */ |
| 26 | private static List<SidiousController> listeners = new ArrayList<SidiousController>(); |
| 27 | |
| 28 | /** |
| 29 | * Private constructor. |
| 30 | */ |
| 31 | private SidiousOutput() { |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Gets the singleton instance of this. |
| 36 | * |
| 37 | * @return the singleton instance. |
| 38 | */ |
| 39 | public static SidiousOutput getInstance() { |
| 40 | return INSTANCE; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Adds a vertex to this. |
| 45 | * <p> |
| 46 | * Is called from the jAStar method in the AStarAlgorithm class. |
| 47 | * |
| 48 | * @see AStarAlgorithm |
| 49 | * @param vertex |
| 50 | */ |
| 51 | public void addVertex(Vertex vertex) { |
| 52 | for (SidiousController controller : listeners) { |
| 53 | controller.vertex(vertex); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Registers the specified controller as listener of this. |
| 59 | * |
| 60 | * @param controller |
| 61 | * the controller to register |
| 62 | * |
| 63 | */ |
| 64 | public void register(SidiousController controller) { |
| 65 | listeners.add(controller); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Adds a finished plan to this. All listeners are notified. |
| 70 | * |
| 71 | * @param plan |
| 72 | * the plan to add |
| 73 | */ |
| 74 | public void addFinishedPlan(Plan plan) { |
| 75 | for (SidiousController controller : listeners) { |
| 76 | controller.finished(plan); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | } |