Upgrade drools libs from 7.x to 8.x

Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Issue-ID: POLICY-4498
Change-Id: Ifb0e19107522ac0248f308a1fb804c0c98764e1b

2 files changed, 14 insertions, 4 deletions

diff --git a/policy-core/pom.xml b/policy-core/pom.xml
index 9462cd66..3e76199a 100644
--- a/policy-core/pom.xml
+++ b/policy-core/pom.xml
@@ -3,7 +3,7 @@
   ============LICENSE_START=======================================================
   ONAP
   ================================================================================
-  Copyright (C) 2017-2021 AT&T Intellectual Property. All rights reserved.
+  Copyright (C) 2017-2021, 2023 AT&T Intellectual Property. All rights reserved.
   Modifications Copyright (C) 2019 Bell Canada.
   Modifications Copyright (C) 2020,2022 Nordix Foundation.
   ================================================================================
@@ -72,11 +72,21 @@
 
         <dependency>
             <groupId>org.drools</groupId>
+            <artifactId>drools-engine</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.drools</groupId>
             <artifactId>drools-core</artifactId>
         </dependency>
 
         <dependency>
             <groupId>org.drools</groupId>
+            <artifactId>drools-xml-support</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.drools</groupId>
             <artifactId>drools-persistence-jpa</artifactId>
             <!--
             Exclude this because it's incompatible with eclipselink, which already
diff --git a/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java b/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java
index 043e2b10..099ce3aa 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/util/KieUtils.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2018-2021 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2018-2021, 2023 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@ import lombok.NonNull;
 import org.apache.commons.io.IOUtils;
 import org.drools.compiler.kie.builder.impl.InternalKieModule;
 import org.drools.compiler.kproject.models.KieModuleModelImpl;
-import org.drools.core.impl.KnowledgeBaseImpl;
+import org.drools.kiesession.rulebase.SessionsAwareKnowledgeBase;
 import org.kie.api.KieBase;
 import org.kie.api.KieServices;
 import org.kie.api.builder.KieBuilder;
@@ -242,7 +242,7 @@ public final class KieUtils {
         if (!stillNeeded.isEmpty()) {
             // there are still packages we need to add --
             // this code makes use of an internal class and method
-            ((KnowledgeBaseImpl) kieBase).addPackages(stillNeeded);
+            ((SessionsAwareKnowledgeBase) kieBase).addPackages(stillNeeded);
         }
     }
 }