package org.bushe.swing.event.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.bushe.swing.event.EventService;
import org.bushe.swing.event.EventServiceLocator;
import org.bushe.swing.event.ThreadSafeEventService;
/**
* A subscriber to a topic that is determined at runtime.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface RuntimeTopicEventSubscriber {
/**
* @return name of a method (that must return a String) and whose return value will become the subscription topic.
*/
String methodName() default "getTopicName";
/** @return Whether to subscribe weakly or strongly. */
ReferenceStrength referenceStrength() default ReferenceStrength.WEAK;
/**
* @return event service to subscribe to, default to the EventServiceLocator.SERVICE_NAME_EVENT_BUS.
*/
String eventServiceName() default EventServiceLocator.SERVICE_NAME_EVENT_BUS;
/** @return Determines the order in which this subscriber is called, default is FIFO.*/
int priority() default 0;
/**
* @return Whether or not to autocreate the event service if it doesn't exist on subscription, default is true. If the service needs to be created, it must have a default constructor.
*/
Class<? extends EventService> autoCreateEventServiceClass() default ThreadSafeEventService.class;
}