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Use computeIfAbsent in EventBus (#2138)

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Glavo 2023-02-19 13:25:20 +08:00 committed by GitHub
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commit 6f70da51f9
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1 changed files with 1 additions and 2 deletions
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HMCLCore/src/main/java/org/jackhuang/hmcl/event/EventBus.java
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@ -31,8 +31,7 @@ public final class EventBus {
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
public <T extends Event> EventManager<T> channel(Class<T> clazz) { public <T extends Event> EventManager<T> channel(Class<T> clazz) {
events.putIfAbsent(clazz, new EventManager<>()); return (EventManager<T>) events.computeIfAbsent(clazz, ignored -> new EventManager<>());
return (EventManager<T>) events.get(clazz);
} }
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")