Make optionalData() static

This private utility method does not touch the object, hence make it
static.

Change-Id: Ifc50b713792cd3e8096173dbdaf3cdb41b9f42e2
Signed-off-by: Robert Varga <rovarga@cisco.com>
(cherry picked from commit 41bbe5b3632734e4a0486c7edd71901879cc9f88)

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractModifiedNodeBasedCandidateNode.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractModifiedNodeBasedCandidateNode.java
index 6c947843ccd57f989891a1442f0a81767934651d..a69fe4aa6ece6cd86d96959198a6ed66a379a64e 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractModifiedNodeBasedCandidateNode.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/AbstractModifiedNodeBasedCandidateNode.java
@@ -53,7 +53,7 @@ abstract class AbstractModifiedNodeBasedCandidateNode implements DataTreeCandida
         return oldMeta;
     }
 
-    private static final TreeNode childMeta(final TreeNode parent, final PathArgument id) {
+    private static TreeNode childMeta(final TreeNode parent, final PathArgument id) {
         if (parent != null) {
             return parent.getChild(id).orNull();
         } else {