zdm/event-bus
zdm/event-bus
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Add Callback Event Handling #26

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kske merged 3 commits from f/callback-handler into develop 2021-11-05 08:49:07 +01:00
Conversation 0 Commits 3 Files Changed 7 +31 -30
2 changed files with 31 additions and 30 deletions
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59
event-bus-core/src/main/java/dev/kske/eventbus/core/EventBus.java
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@ -256,67 +256,68 @@ public final class EventBus {
* Registers a callback listener, which is a consumer that is invoked when an event occurs. The
* listener is not polymorphic and has the {@link #DEFAULT_PRIORITY}.
*
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param callback the callback that is invoked when an event occurs
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param eventListener the callback that is invoked when an event occurs
* @since 1.2.0
* @see #registerListener(Class, Consumer, boolean, int)
*/
public <E> void registerListener(Class<E> eventType, Consumer<E> callback) {
registerListener(eventType, callback, false, DEFAULT_PRIORITY);
public <E> void registerListener(Class<E> eventType, Consumer<E> eventListener) {
registerListener(eventType, eventListener, false, DEFAULT_PRIORITY);
}
/**
* Registers a callback listener, which is a consumer that is invoked when an event occurs. The
* listener has the {@link #DEFAULT_PRIORITY}.
*
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param callback the callback that is invoked when an event occurs
* @param polymorphic whether the listener is also invoked for subtypes of the event type
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param eventListener the callback that is invoked when an event occurs
* @param polymorphic whether the listener is also invoked for subtypes of the event type
* @since 1.2.0
* @see #registerListener(Class, Consumer, boolean, int)
*/
public <E> void registerListener(Class<E> eventType, Consumer<E> callback,
public <E> void registerListener(Class<E> eventType, Consumer<E> eventListener,
boolean polymorphic) {
registerListener(eventType, callback, polymorphic, DEFAULT_PRIORITY);
registerListener(eventType, eventListener, polymorphic, DEFAULT_PRIORITY);
}
/**
* Registers a callback listener, which is a consumer that is invoked when an event occurs. The
* listener is not polymorphic.
*
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param callback the callback that is invoked when an event occurs
* @param priority the priority to assign to the listener
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param eventListener the callback that is invoked when an event occurs
* @param priority the priority to assign to the listener
* @since 1.2.0
* @see #registerListener(Class, Consumer, boolean, int)
*/
public <E> void registerListener(Class<E> eventType, Consumer<E> callback, int priority) {
registerListener(eventType, callback, false, priority);
public <E> void registerListener(Class<E> eventType, Consumer<E> eventListener, int priority) {
registerListener(eventType, eventListener, false, priority);
}
/**
* Registers a callback listener, which is a consumer that is invoked when an event occurs.
*
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param callback the callback that is invoked when an event occurs
* @param polymorphic whether the listener is also invoked for subtypes of the event type
* @param priority the priority to assign to the listener
* @param <E> the event type the listener listens for
* @param eventType the event type the listener listens for
* @param eventListener the callback that is invoked when an event occurs
* @param polymorphic whether the listener is also invoked for subtypes of the event type
* @param priority the priority to assign to the listener
* @since 1.2.0
*/
public <E> void registerListener(Class<E> eventType, Consumer<E> callback, boolean polymorphic,
public <E> void registerListener(Class<E> eventType, Consumer<E> eventListener,
boolean polymorphic,
int priority) {
Objects.requireNonNull(callback);
if (registeredListeners.contains(callback))
throw new EventBusException(callback + " already registered!");
Objects.requireNonNull(eventListener);
if (registeredListeners.contains(eventListener))
throw new EventBusException(eventListener + " already registered!");
logger.log(Level.INFO, "Registering callback event listener {0}",
callback.getClass().getName());
eventListener.getClass().getName());
registeredListeners.add(callback);
bindHandler(new CallbackEventHandler(eventType, callback, polymorphic, priority));
registeredListeners.add(eventListener);
bindHandler(new CallbackEventHandler(eventType, eventListener, polymorphic, priority));
}
/**

2
event-bus-core/src/main/java/dev/kske/eventbus/core/handler/EventHandler.java
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@ -45,7 +45,7 @@ public interface EventHandler {
int getPriority();
/**
* @return whether this handler is polymorphic
* @return whether this handler also accepts subtypes of the event type
* @since 1.2.0
* @see Polymorphic
*/