@SuppressWarnings("unchecked") private boolean executeEvent(KompicsEvent event, Handler<?> handler) { try { ((Handler<KompicsEvent>) handler).handle(event); return false; // no state change } catch (Throwable throwable) { logger().error("Handling an event caused a fault! Might be handled later...", throwable); markSubtreeAs(State.FAULTY); escalateFault(new Fault(throwable, this, event)); return true; // state changed } }
@SuppressWarnings("unchecked") private boolean executeEvent(PatternExtractor<?, ?> event, MatchedHandler<?, ?, ?> handler) { try { PatternExtractor<?, Object> pe = (PatternExtractor<?, Object>) event; MatchedHandler<?, Object, PatternExtractor<?, Object>> h = (MatchedHandler<?, Object, PatternExtractor<?, Object>>) handler; h.handle(pe.extractValue(), pe); return false; // no state change } catch (Throwable throwable) { logger().error("Handling an event caused a fault! Might be handled later...", throwable); markSubtreeAs(State.FAULTY); escalateFault(new Fault(throwable, this, event)); return true; // state changed } }
@Override public void handle(Fault event) { ResolveAction ra = component.handleFault(event); switch (ra) { case RESOLVED: logger().info("Fault {} was resolved by user.", event); break; case IGNORE: logger().info("Fault {} was declared to be ignored by user. Resuming component...", event); markSubtreeAtAs(event.source, State.PASSIVE); event.source.control().doTrigger(Start.event, wid, JavaComponent.this); break; case DESTROY: logger().info("User declared that Fault {} should destroy component tree...", event); destroyTreeAtParentOf(event.source); logger().info("finished destroying the subtree."); break; default: escalateFault(event); } } };