Make ConstraintMetaDefition attributes Optional

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / effective / type / RangeConstraintEffectiveImpl.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/type/RangeConstraintEffectiveImpl.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/type/RangeConstraintEffectiveImpl.java
index 6c599531722ddca8adc056572a6d259114975b0f..89e277d3c49b552b400946e99245fb1db1712aa2 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/type/RangeConstraintEffectiveImpl.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/type/RangeConstraintEffectiveImpl.java
@@ -48,13 +48,13 @@ public class RangeConstraintEffectiveImpl implements RangeConstraint {
     }
 
     @Override
-    public String getErrorAppTag() {
-        return errorAppTag;
+    public Optional<String> getErrorAppTag() {
+        return Optional.ofNullable(errorAppTag);
     }
 
     @Override
-    public String getErrorMessage() {
-        return errorMessage;
+    public Optional<String> getErrorMessage() {
+        return Optional.ofNullable(errorMessage);
     }
 
     @Override