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chore(code): 简化判断代码
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@ -136,7 +136,9 @@ public class EasyListener implements Listener {
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@Nullable EventPriority priority,
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@Nullable Predicate<? super T> eventPredicate,
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@Nullable Consumer<? super T> afterCancelled) {
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requireType(Cancellable.class, eventClass, "Event class " + eventClass.getName() + " is not cancellable");
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if (!Cancellable.class.isAssignableFrom(eventClass)) {
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throw new IllegalArgumentException("Event class " + eventClass.getName() + " is not cancellable");
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}
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final Predicate<? super T> predicate = Optional.ofNullable(eventPredicate).orElse(t -> true);
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return handle(eventClass, priority, true, (event) -> {
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@ -274,13 +276,6 @@ public class EasyListener implements Listener {
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};
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}
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protected void requireType(@NotNull Class<?> target, @NotNull Class<?> value,
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@Nullable String message) throws IllegalArgumentException {
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if (target.isAssignableFrom(value)) return;
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if (message == null) throw new IllegalArgumentException();
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else throw new IllegalArgumentException(message);
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}
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protected void register(@NotNull Class<? extends Event> eventClass, @NotNull RegisteredListener listener) {
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getEventListeners(eventClass).register(listener);
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}
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