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feat: isRegistered method on IBus
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2 changed files with 14 additions and 1 deletions
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@ -63,6 +63,12 @@ public class GEB implements IBus {
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);
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}
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@Override
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public boolean isRegistered(IListener listener) {
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Set<IListener> listeners = this.listenerMap.get(listener.getClass());
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return listeners != null && listeners.contains(listener);
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}
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/**
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* Dispatches an event, calling all of its listeners that are subscribed to this bus.
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* @param event the event to fire
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@ -13,11 +13,18 @@ public interface IBus {
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void registerListener(IListener listener);
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/**
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* Unregister a listener from the bus.
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* Unregisters a listener from the bus.
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* @param listener the listener
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*/
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void unregisterListener(IListener listener);
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/**
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* Tells you whether a listener is currently registered.
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* Ideally this should be efficient.
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* @return true if the listener is registered
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*/
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boolean isRegistered(IListener listener);
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/**
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* Dispatches an event, calling all of its listeners that are subscribed to this bus.
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* @param event the event to fire
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