Event contract

Event.java

package io.github.chermehdi.bus;

/**
 * interface describing a generic event, and it's associated meta data, it's this what's going to
 * get sent in the bus to be dispatched to intrested Subscribers
 *
 * @author chermehdi
 */
public interface Event<T> {

  /**
   * @returns the stored data associated with the event
   */
  T getData();
}