示例#1
0
 /**
  * Adds a handler to the Lifecycle and starts it if the lifecycle has already been started.
  *
  * @param handler The hander to add to the lifecycle
  * @param stage The stage to add the lifecycle at
  * @throws Exception an exception thrown from handler.start(). If an exception is thrown, the
  *     handler is *not* added
  */
 public void addMaybeStartHandler(Handler handler, Stage stage) throws Exception {
   synchronized (handlers) {
     if (started.get()) {
       if (currStage == null || stage.compareTo(currStage) < 1) {
         handler.start();
       }
     }
     handlers.get(stage).add(handler);
   }
 }
示例#2
0
 public void start() throws Exception {
   synchronized (handlers) {
     started.set(true);
     for (Stage stage : stagesOrdered()) {
       currStage = stage;
       for (Handler handler : handlers.get(stage)) {
         handler.start();
       }
     }
   }
 }
示例#3
0
 /**
  * Removes the range between start and end from the given exception handlers.
  *
  * @param h an exception handler list.
  * @param start the start of the range to be removed.
  * @param end the end of the range to be removed. Maybe null.
  * @return the exception handler list with the start-end range removed.
  */
 static Handler remove(Handler h, Label start, Label end) {
   if (h == null) {
     return null;
   } else {
     h.next = remove(h.next, start, end);
   }
   int hstart = h.start.position;
   int hend = h.end.position;
   int s = start.position;
   int e = end == null ? Integer.MAX_VALUE : end.position;
   // if [hstart,hend[ and [s,e[ intervals intersect...
   if (s < hend && e > hstart) {
     if (s <= hstart) {
       if (e >= hend) {
         // [hstart,hend[ fully included in [s,e[, h removed
         h = h.next;
       } else {
         // [hstart,hend[ minus [s,e[ = [e,hend[
         h.start = end;
       }
     } else if (e >= hend) {
       // [hstart,hend[ minus [s,e[ = [hstart,s[
       h.end = start;
     } else {
       // [hstart,hend[ minus [s,e[ = [hstart,s[ + [e,hend[
       Handler g = new Handler();
       g.start = end;
       g.end = h.end;
       g.handler = h.handler;
       g.desc = h.desc;
       g.type = h.type;
       g.next = h.next;
       h.end = start;
       h.next = g;
     }
   }
   return h;
 }