Cleanup DocumentedNode

[yangtools.git] / yang / yang-model-util / src / main / java / org / opendaylight / yangtools / yang / model / util / type / AbstractBaseType.java

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/AbstractBaseType.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/AbstractBaseType.java
index ef9f97d0d1abf879791f23bc474b6a2819a209d2..3d05a9b4bac4e073375b655bda921671f2cd12ee 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/AbstractBaseType.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/AbstractBaseType.java
@@ -9,6 +9,7 @@ package org.opendaylight.yangtools.yang.model.util.type;
 
 import com.google.common.collect.ImmutableList;
 import java.util.List;
+import java.util.Optional;
 import javax.annotation.Nonnull;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
@@ -41,13 +42,13 @@ abstract class AbstractBaseType<T extends TypeDefinition<T>> extends AbstractTyp
     }
 
     @Override
-    public final String getDescription() {
-        return null;
+    public final Optional<String> getDescription() {
+        return Optional.empty();
     }
 
     @Override
-    public final String getReference() {
-        return null;
+    public final Optional<String> getReference() {
+        return Optional.empty();
     }
 
     @Nonnull