import akka.actor.ActorSelection;
import akka.actor.Cancellable;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
import com.google.common.base.Stopwatch;
import java.util.ArrayList;
import java.util.List;
+import java.util.Optional;
import java.util.concurrent.TimeUnit;
import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.controller.cluster.raft.base.messages.LeaderTransitioning;
}
public Optional<String> getRequestedFollowerId() {
- return Optional.fromNullable(requestedFollowerId);
+ return Optional.ofNullable(requestedFollowerId);
}
interface OnComplete {