WebsocketManager refactoring

1 files changed, 2 insertions, 1 deletions

diff --git a/juick-common/src/main/java/com/juick/service/UserService.java b/juick-common/src/main/java/com/juick/service/UserService.java
index df62f0ef..08a7a6ed 100644
--- a/juick-common/src/main/java/com/juick/service/UserService.java
+++ b/juick-common/src/main/java/com/juick/service/UserService.java
@@ -22,6 +22,7 @@ import com.juick.User;
 import com.juick.server.helpers.Auth;
 import com.juick.server.helpers.UserInfo;
 
+import javax.annotation.Nonnull;
 import java.util.Collection;
 import java.util.List;
 import java.util.Optional;
@@ -65,7 +66,7 @@ public interface UserService {
 
     int getUIDbyHash(String hash);
 
-    com.juick.User getUserByHash(String hash);
+    @Nonnull com.juick.User getUserByHash(String hash);
 
     String getHashByUID(int uid);