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-rw-r--r--models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpGroup.java5
1 files changed, 5 insertions, 0 deletions
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpGroup.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpGroup.java
index 49dfd6fbb..4cb0ac54e 100644
--- a/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpGroup.java
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/concepts/PdpGroup.java
@@ -89,6 +89,11 @@ public class PdpGroup implements PfNameVersion, Comparable<PdpGroup> {
result.validateNotNull("name", name);
result.validateNotNullList("pdpSubgroups", pdpSubgroups, PdpSubGroup::validatePapRest);
+ if (pdpSubgroups != null && pdpSubgroups.isEmpty()) {
+ result.addResult(new ObjectValidationResult("pdpSubgroups", pdpSubgroups, ValidationStatus.INVALID,
+ "is empty"));
+ }
+
checkDuplicateSubgroups(result);
return result;