X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=yang%2Fyang-model-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fmodel%2Fapi%2FDerivableSchemaNode.java;h=2aaa58f1b2065669dff1e1c703f9764034322100;hb=3331469543a13b705d3fb97f23da3cab23416512;hp=2ffc3ad97368af238345fd6b553d98be11e85149;hpb=2a3bec0e38a892d6b00a39827d23d3bae69c5162;p=yangtools.git

diff --git a/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/DerivableSchemaNode.java b/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/DerivableSchemaNode.java
index 2ffc3ad973..2aaa58f1b2 100644
--- a/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/DerivableSchemaNode.java
+++ b/yang/yang-model-api/src/main/java/org/opendaylight/yangtools/yang/model/api/DerivableSchemaNode.java
@@ -1,6 +1,13 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
 package org.opendaylight.yangtools.yang.model.api;
 
-import com.google.common.base.Optional;
+import java.util.Optional;
 
 /**
  * Schema Node which may be derived from other schema node
@@ -14,7 +21,7 @@ public interface DerivableSchemaNode extends DataSchemaNode {
      * grouping where it was defined.
      *
      * @return original node definition from grouping if this node is added by
-     *         uses, null otherwise
+     *         uses, Optional.absent otherwise
      */
     Optional<? extends SchemaNode> getOriginal();