X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fstore%2Fimpl%2Ftree%2Fdata%2FStoreMetadataNode.java;h=0ee0d9b32c990685c8169eb0430d35d64dacc2e0;hb=0056335cf28bcb8cbab8be0fe7eae5913ce0c009;hp=abccf1db16211a1d6389756935aae97fcb9a1bab;hpb=8d160966fa8752235d01bb8dc57c11391b86f187;p=controller.git

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/StoreMetadataNode.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/StoreMetadataNode.java
index abccf1db16..0ee0d9b32c 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/StoreMetadataNode.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/tree/data/StoreMetadataNode.java
@@ -24,14 +24,12 @@ import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.primitives.UnsignedLong;
 
-public class StoreMetadataNode implements Immutable, Identifiable<PathArgument>, StoreTreeNode<StoreMetadataNode> {
-
+class StoreMetadataNode implements Immutable, Identifiable<PathArgument>, StoreTreeNode<StoreMetadataNode> {
+    private final Map<PathArgument, StoreMetadataNode> children;
     private final UnsignedLong nodeVersion;
     private final UnsignedLong subtreeVersion;
     private final NormalizedNode<?, ?> data;
 
-    private final Map<PathArgument, StoreMetadataNode> children;
-
     /**
      *
      * @param data
@@ -41,9 +39,9 @@ public class StoreMetadataNode implements Immutable, Identifiable<PathArgument>,
      */
     protected StoreMetadataNode(final NormalizedNode<?, ?> data, final UnsignedLong nodeVersion,
             final UnsignedLong subtreeVersion, final Map<PathArgument, StoreMetadataNode> children) {
-        this.nodeVersion = nodeVersion;
-        this.subtreeVersion = subtreeVersion;
-        this.data = data;
+        this.nodeVersion = Preconditions.checkNotNull(nodeVersion);
+        this.subtreeVersion = Preconditions.checkNotNull(subtreeVersion);
+        this.data = Preconditions.checkNotNull(data);
         this.children = Preconditions.checkNotNull(children);
     }