Undeploy support for native rules PDP-D policies.

Issue-ID: POLICY-2388
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: Iaaf5e13a5db286928952bcb3e4cc0f526b0b133c

3 files changed, 16 insertions, 9 deletions

diff --git a/policy-management/src/main/java/org/onap/policy/drools/controller/IndexedDroolsControllerFactory.java b/policy-management/src/main/java/org/onap/policy/drools/controller/IndexedDroolsControllerFactory.java
index a4c546f8..e5128bb5 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/controller/IndexedDroolsControllerFactory.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/controller/IndexedDroolsControllerFactory.java
@@ -95,7 +95,6 @@ class IndexedDroolsControllerFactory implements DroolsControllerFactory {
         }
 
         List<TopicCoderFilterConfiguration> topics2DecodedClasses2Filters = codersAndFilters(properties, eventSources);
-
         List<TopicCoderFilterConfiguration> topics2EncodedClasses2Filters = codersAndFilters(properties, eventSinks);
 
         return this.build(groupId, artifactId, version, topics2DecodedClasses2Filters, topics2EncodedClasses2Filters);
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/IndexedPolicyControllerFactory.java b/policy-management/src/main/java/org/onap/policy/drools/system/IndexedPolicyControllerFactory.java
index 0d7806c6..528f1e0d 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/IndexedPolicyControllerFactory.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/IndexedPolicyControllerFactory.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 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.
@@ -122,7 +122,7 @@ class IndexedPolicyControllerFactory implements PolicyControllerFactory {
      * {@inheritDoc}.
      */
     @Override
-    public void patch(PolicyController controller, DroolsConfiguration droolsConfig) {
+    public synchronized void patch(PolicyController controller, DroolsConfiguration droolsConfig) {
 
         if (controller == null) {
             throw new IllegalArgumentException("Not a valid controller:  null");
@@ -132,20 +132,22 @@ class IndexedPolicyControllerFactory implements PolicyControllerFactory {
             throw new IllegalArgumentException("Invalid Drools Configuration");
         }
 
+        if (controller.getDrools().isBrained()) {
+            this.coordinates2Controller.remove(
+                    toKey(controller.getDrools().getGroupId(), controller.getDrools().getArtifactId()));
+        }
+
         if (!controller.updateDrools(droolsConfig)) {
             logger.warn("Cannot update drools configuration: {} on {}", droolsConfig, this);
             throw new IllegalArgumentException("Cannot update drools configuration Drools Configuration");
         }
 
         logger.info("UPDATED drools configuration: {} on {}", droolsConfig, this);
-
-        String coordinates = toKey(controller.getDrools().getGroupId(),
-                                   controller.getDrools().getArtifactId());
+        String coordinates = toKey(controller.getDrools().getGroupId(), controller.getDrools().getArtifactId());
 
         if (controller.getDrools().isBrained()) {
             this.coordinates2Controller.put(coordinates, controller);
         }
-
     }
 
     /**
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java b/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java
index aa57abaf..1fd42546 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/internal/AggregatedPolicyController.java
@@ -1,8 +1,8 @@
 /*
  * ============LICENSE_START=======================================================
- * policy-management
+ * ONAP
  * ================================================================================
- * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2020 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.
@@ -226,6 +226,12 @@ public class AggregatedPolicyController implements PolicyController, TopicListen
             return true;
         }
 
+        if (droolsController.isBrained()
+            && (newDroolsConfiguration.getArtifactId() == null
+                || DroolsControllerConstants.NO_ARTIFACT_ID.equals(newDroolsConfiguration.getArtifactId()))) {
+            DroolsControllerConstants.getFactory().destroy(this.droolsController);
+        }
+
         try {
             /* Drools Controller created, update initialization properties for restarts */