X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=yang%2Fyang-data-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fdata%2Fimpl%2Fschema%2Ftree%2FOperationWithModification.java;h=363f2499e2d35f85001b1715fb1d2b5bcc6e28d3;hb=9041b2200d7c48962615f414ed884cb54a7573df;hp=0da9396581ac17d808f48c8910f8b095a1310642;hpb=20df7021c844ccf06d1378f615c2988fff60edee;p=yangtools.git

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OperationWithModification.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OperationWithModification.java
index 0da9396581..363f2499e2 100644
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OperationWithModification.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/OperationWithModification.java
@@ -60,7 +60,7 @@ final class OperationWithModification {
         if (maybeChild.isPresent()) {
             final ModifiedNode childNode = maybeChild.get();
 
-            Optional<TreeNode> snapshot = childNode.getSnapshot();
+            Optional<? extends TreeNode> snapshot = childNode.getSnapshot();
             if (snapshot == null) {
                 // Snapshot is not present, force instantiation
                 snapshot = applyOperation.getChild(child).get().apply(childNode, childNode.getOriginal(), version);
@@ -69,7 +69,7 @@ final class OperationWithModification {
             return snapshot.map(TreeNode::getData);
         }
 
-        Optional<TreeNode> snapshot = modification.getSnapshot();
+        Optional<? extends TreeNode> snapshot = modification.getSnapshot();
         if (snapshot == null) {
             snapshot = apply(modification.getOriginal(), version);
         }
@@ -89,7 +89,7 @@ final class OperationWithModification {
         return applyOperation;
     }
 
-    public Optional<TreeNode> apply(final Optional<TreeNode> data, final Version version) {
+    public Optional<? extends TreeNode> apply(final Optional<? extends TreeNode> data, final Version version) {
         return applyOperation.apply(modification, data, version);
     }