@Test public void listenersInApplicationContextWithNestedChild() { StaticApplicationContext context = new StaticApplicationContext(); RootBeanDefinition nestedChild = new RootBeanDefinition(StaticApplicationContext.class); nestedChild.getPropertyValues().add("parent", context); nestedChild.setInitMethodName("refresh"); context.registerBeanDefinition("nestedChild", nestedChild); RootBeanDefinition listener1Def = new RootBeanDefinition(MyOrderedListener1.class); listener1Def.setDependsOn(new String[] {"nestedChild"}); context.registerBeanDefinition("listener1", listener1Def); context.refresh(); MyOrderedListener1 listener1 = context.getBean("listener1", MyOrderedListener1.class); MyEvent event1 = new MyEvent(context); context.publishEvent(event1); assertTrue(listener1.seenEvents.contains(event1)); SimpleApplicationEventMulticaster multicaster = context.getBean( AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME, SimpleApplicationEventMulticaster.class); assertFalse(multicaster.getApplicationListeners().isEmpty()); context.close(); assertTrue(multicaster.getApplicationListeners().isEmpty()); }
@Test public void innerBeanAsListener() { StaticApplicationContext context = new StaticApplicationContext(); RootBeanDefinition listenerDef = new RootBeanDefinition(TestBean.class); listenerDef.getPropertyValues().add("friends", new RootBeanDefinition(BeanThatListens.class)); context.registerBeanDefinition("listener", listenerDef); context.refresh(); context.publishEvent(new MyEvent(this)); context.publishEvent(new MyEvent(this)); TestBean listener = context.getBean(TestBean.class); assertEquals(3, ((BeanThatListens) listener.getFriends().iterator().next()).getEventCount()); context.close(); }
@Test public void nonSingletonListenerInApplicationContext() { StaticApplicationContext context = new StaticApplicationContext(); RootBeanDefinition listener = new RootBeanDefinition(MyNonSingletonListener.class); listener.setScope(RootBeanDefinition.SCOPE_PROTOTYPE); context.registerBeanDefinition("listener", listener); context.refresh(); MyEvent event1 = new MyEvent(context); context.publishEvent(event1); MyOtherEvent event2 = new MyOtherEvent(context); context.publishEvent(event2); MyEvent event3 = new MyEvent(context); context.publishEvent(event3); MyOtherEvent event4 = new MyOtherEvent(context); context.publishEvent(event4); assertTrue(MyNonSingletonListener.seenEvents.contains(event1)); assertTrue(MyNonSingletonListener.seenEvents.contains(event2)); assertTrue(MyNonSingletonListener.seenEvents.contains(event3)); assertTrue(MyNonSingletonListener.seenEvents.contains(event4)); MyNonSingletonListener.seenEvents.clear(); context.close(); }
@Test public void listenerAndBroadcasterWithCircularReference() { StaticApplicationContext context = new StaticApplicationContext(); context.registerBeanDefinition("broadcaster", new RootBeanDefinition(BeanThatBroadcasts.class)); RootBeanDefinition listenerDef = new RootBeanDefinition(BeanThatListens.class); listenerDef .getConstructorArgumentValues() .addGenericArgumentValue(new RuntimeBeanReference("broadcaster")); context.registerBeanDefinition("listener", listenerDef); context.refresh(); BeanThatBroadcasts broadcaster = context.getBean("broadcaster", BeanThatBroadcasts.class); context.publishEvent(new MyEvent(context)); assertEquals("The event was not received by the listener", 2, broadcaster.receivedCount); context.close(); }
@Test public void listenersInApplicationContext() { StaticApplicationContext context = new StaticApplicationContext(); context.registerBeanDefinition("listener1", new RootBeanDefinition(MyOrderedListener1.class)); RootBeanDefinition listener2 = new RootBeanDefinition(MyOrderedListener2.class); listener2 .getConstructorArgumentValues() .addGenericArgumentValue(new RuntimeBeanReference("listener1")); listener2.setLazyInit(true); context.registerBeanDefinition("listener2", listener2); context.refresh(); assertFalse(context.getDefaultListableBeanFactory().containsSingleton("listener2")); MyOrderedListener1 listener1 = context.getBean("listener1", MyOrderedListener1.class); MyOtherEvent event1 = new MyOtherEvent(context); context.publishEvent(event1); assertFalse(context.getDefaultListableBeanFactory().containsSingleton("listener2")); MyEvent event2 = new MyEvent(context); context.publishEvent(event2); assertTrue(context.getDefaultListableBeanFactory().containsSingleton("listener2")); MyEvent event3 = new MyEvent(context); context.publishEvent(event3); MyOtherEvent event4 = new MyOtherEvent(context); context.publishEvent(event4); assertTrue(listener1.seenEvents.contains(event1)); assertTrue(listener1.seenEvents.contains(event2)); assertTrue(listener1.seenEvents.contains(event3)); assertTrue(listener1.seenEvents.contains(event4)); listener1.seenEvents.clear(); context.publishEvent(event1); context.publishEvent(event2); context.publishEvent(event3); context.publishEvent(event4); assertTrue(listener1.seenEvents.contains(event1)); assertTrue(listener1.seenEvents.contains(event2)); assertTrue(listener1.seenEvents.contains(event3)); assertTrue(listener1.seenEvents.contains(event4)); context.close(); }