Fix a nullness warning

We are guaranteeing a non-null return, so that takeSnapshot() API
contract is kept.

Change-Id: If8082b8a959afea615fc16d330b5174af83abb25
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>

diff --git a/data/yang-data-tree-ri/src/main/java/org/opendaylight/yangtools/yang/data/tree/impl/DataTreeState.java b/data/yang-data-tree-ri/src/main/java/org/opendaylight/yangtools/yang/data/tree/impl/DataTreeState.java
index 6600134751ca26b7db927d7732d2a104c5f5659d..1b7481a9ef267de8769050264c7bc1e9b4b693cb 100644 (file)
--- a/data/yang-data-tree-ri/src/main/java/org/opendaylight/yangtools/yang/data/tree/impl/DataTreeState.java
+++ b/data/yang-data-tree-ri/src/main/java/org/opendaylight/yangtools/yang/data/tree/impl/DataTreeState.java
@@ -47,7 +47,7 @@ final class DataTreeState {
         return root;
     }
 
-    InMemoryDataTreeSnapshot newSnapshot() {
+    @NonNull InMemoryDataTreeSnapshot newSnapshot() {
         return new InMemoryDataTreeSnapshot(schemaContext, root, holder.newSnapshot());
     }