rinde.sim.event.EventAPI Maven / Gradle / Ivy
/**
*
*/
package rinde.sim.event;
import java.util.Set;
/**
* The Event API provides an interface which can be presented to objects which
* have an interest to receive events of a certain object.
*
* @author Rinde van Lon ([email protected])
*
*/
public interface EventAPI {
/**
* Adds the specified listener. From now on, the specified listener will be
* notified of events with one of the eventTypes. If
* eventTypes is not specified, the listener will be notified of
* all events.
* @param listener The listener, may not be null.
* @param eventTypes The {@link Event} types, each type but be a type that is
* supported by this EventDispatcher. May not be null. If no
* eventTypes are specified, the listener will be notified of
* all events.
*/
void addListener(Listener listener, Enum... eventTypes);
/**
* Adds the specified listener. From now on, the specified listener will be
* notified of events with one of the eventTypes. If
* eventTypes is empty, the listener will be notified of
* no events.
* @param listener The listener, may not be null.
* @param eventTypes The {@link Event} types, each type but be a type that is
* supported by this EventDispatcher. May not be null. If no
* eventTypes are specified, the listener will be notified of
* no events.
*/
void addListener(Listener listener, Set> eventTypes);
/**
* Removes the specified listener with the specified event types. From now on,
* listener will no longer be notified of new {@link Event} s
* with any of eventTypes. If eventTypes undefined
* the listener will be completely removed.
* @param listener The {@link Listener} to remove.
* @param eventTypes The event types.
*/
void removeListener(Listener listener, Enum... eventTypes);
/**
* Removes the specified listener with the specified event types. From now on,
* listener will no longer be notified of new {@link Event} s
* with any of eventTypes. If eventTypes is empty
* the listener will be completely removed.
* @param listener The {@link Listener} to remove.
* @param eventTypes The event types.
*/
void removeListener(Listener listener, Set> eventTypes);
/**
* Checks if the specified listener is registered as listening to
* eventType.
* @param listener The listener to check.
* @param eventType The type of event.
* @return true if the listener is listening to
* eventType, false otherwise.
*/
boolean containsListener(Listener listener, Enum eventType);
}