Add Legacy Op Policy Persistence

[policy/models.git] / models-base / src / main / java / org / onap / policy / models / base / PfUtils.java

diff --git a/models-base/src/main/java/org/onap/policy/models/base/PfUtils.java b/models-base/src/main/java/org/onap/policy/models/base/PfUtils.java
index 8e77d3f..7bdd9a5 100644 (file)
--- a/models-base/src/main/java/org/onap/policy/models/base/PfUtils.java
+++ b/models-base/src/main/java/org/onap/policy/models/base/PfUtils.java
@@ -21,6 +21,7 @@
 
 package org.onap.policy.models.base;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Function;
 import java.util.stream.Collectors;
@@ -72,7 +73,7 @@ public final class PfUtils {
      */
     public static <T> List<T> mapList(List<T> source, Function<T, T> mapFunc) {
         if (source == null) {
-            return null;
+            return new ArrayList<>();
         }
 
         return source.stream().map(mapFunc).collect(Collectors.toList());