package netflix.ocelli.functions;
import java.util.concurrent.atomic.AtomicBoolean;
import rx.functions.Action0;
public abstract class Actions {
public static Action0 once(final Action0 delegate) {
return new Action0() {
private AtomicBoolean called = new AtomicBoolean(false);
@Override
public void call() {
if (called.compareAndSet(false, true)) {
delegate.call();
}
}
};
}
}