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See:
Description
Class Summary | |
---|---|
AbstractProxySubscriber | Common base class for EventService Proxies. |
AnnotationProcessor | Enhances classes that use EventService Annotations. |
BaseProxySubscriber | A class is subscribed to an EventService on behalf of another object. |
ProxyTopicPatternSubscriber | A Proxy Subscriber for Annotations that use topic patterns |
ProxyTopicSubscriber | A class that subscribes to an EventService on behalf of another object. |
UseTheClassOfTheAnnotatedMethodsParameter | This is a dummy class to get around a limitation with annotations. |
Enum Summary | |
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ReferenceStrength | The two kinds of references that are used in the EventBus. |
Annotation Types Summary | |
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EventSubscriber | An Annotation for subscribing to EventService Events. |
EventTopicPatternSubscriber | |
EventTopicSubscriber | An Annotation for subscribing to EventService Topics. |
RuntimeTopicEventSubscriber | A subscriber to a topic that is determined at runtime. |
RuntimeTopicPatternEventSubscriber | |
VetoRuntimeTopicPatternSubscriber | |
VetoRuntimeTopicSubscriber | A veto subscriber to a topic that is determined at runtime. |
VetoSubscriber | An Annotation for adding VetoListener subscriptions to EventService Events. |
VetoTopicPatternSubscriber | An Annotation for adding VetoTopicPatternListener subscriptions to EventService Events. |
VetoTopicSubscriber | An Annotation for adding VetoTopicListener subscriptions to EventService Events. |
EventBus annotations to make it much simpler to publish and subscribe to events.
Subscription annotations remove the boilerplate inner classes that often used for subscribers, especially when one class subscribes to multiple events.
When using annotations, the AnnotationProcessor must be used to create proxy subscribers.
An annotation example:
class MySubscriber {
@EventSubscriber(eventClass=HelloEvent.class)
public void printOutHelloWorld(HelloEvent event) {
System.out.println("Hello"+helloEvent.getWorld());
}
@EventTopicSubscriber(topic="Hello");
public void printOutHelloWorld(String topic, Object event) {
System.out.println(topic+" "+event);
}
}
class HelloEventBus {
public static void main(String args[]) {
MySubscriber subscriber = new MySubscriber();
AnnotationProcessor.process(subscriber);//makes a proxy subscribers
EventBus.publish(new HelloEvent());
EventBus.publish("Hello", "World");
}
}
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