Make ConstraintMetaDefition attributes Optional

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

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/ResolvedLengthConstraint.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/ResolvedLengthConstraint.java
index 53ae1ada96a733cafa74891dbf625f91739ca2b3..95e5c3e352a9102f779d8e60ddf27021ee75596e 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/ResolvedLengthConstraint.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/ResolvedLengthConstraint.java
@@ -11,6 +11,7 @@ import static java.util.Objects.requireNonNull;
 
 import com.google.common.collect.ImmutableRangeSet;
 import com.google.common.collect.RangeSet;
+import java.util.Optional;
 import org.opendaylight.yangtools.yang.model.api.ConstraintMetaDefinition;
 import org.opendaylight.yangtools.yang.model.api.type.LengthConstraint;
 
@@ -29,12 +30,12 @@ final class ResolvedLengthConstraint implements LengthConstraint {
     }
 
     @Override
-    public String getErrorAppTag() {
+    public Optional<String> getErrorAppTag() {
         return meta.getErrorAppTag();
     }
 
     @Override
-    public String getErrorMessage() {
+    public Optional<String> getErrorMessage() {
         return meta.getErrorMessage();
     }