hdygxsj commented on PR #8703:
URL: https://github.com/apache/gravitino/pull/8703#issuecomment-3383975653
Hi @bittu9975, I think using compareAndExchange is enough
such as,
```java
public void loadRole(Runnable runnable) {
if (hasLoadRole.compareAndSet(false, true)) {
runnable.run();
}
}
```
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