vertx-gaia/vertx-co/src/main/environment/io/vertx/up/annotations/Queue.java
package io.vertx.up.annotations;
import java.lang.annotation.*;
/**
* Queue defined the event bus handler root class.
* Zero system will scan all the classes annotated with @Queue.
*/
@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
public @interface Queue {
}