Undeploy support for native rules PDP-D policies.

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

2 files changed, 45 insertions, 3 deletions

diff --git a/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeNativeController.java b/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeNativeController.java
index ebc44e9b..2d9ca514 100644
--- a/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeNativeController.java
+++ b/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeNativeController.java
@@ -26,9 +26,9 @@ import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
 
-@Getter
 public class PolicyTypeNativeController implements PolicyTypeController {
 
+    @Getter
     protected final ToscaPolicyTypeIdentifier policyType;
 
     @GsonJsonIgnore
diff --git a/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeRulesController.java b/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeRulesController.java
index 8e928aa8..878907b0 100644
--- a/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeRulesController.java
+++ b/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/PolicyTypeRulesController.java
@@ -23,12 +23,22 @@ package org.onap.policy.drools.lifecycle;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Getter;
 import org.onap.policy.common.gson.annotation.GsonJsonIgnore;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.drools.controller.DroolsControllerConstants;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsPolicy;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsRulesArtifact;
+import org.onap.policy.drools.protocol.configuration.DroolsConfiguration;
+import org.onap.policy.drools.system.PolicyController;
+import org.onap.policy.drools.system.PolicyControllerConstants;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-@Getter
 public class PolicyTypeRulesController implements PolicyTypeController {
+    private static final Logger logger = LoggerFactory.getLogger(PolicyTypeRulesController.class);
 
+    @Getter
     protected final ToscaPolicyTypeIdentifier policyType;
 
     @GsonJsonIgnore
@@ -48,7 +58,39 @@ public class PolicyTypeRulesController implements PolicyTypeController {
 
     @Override
     public boolean undeploy(ToscaPolicy policy) {
-        // TODO
+        PolicyController controller;
+        try {
+            controller = getPolicyController(
+                    fsm.getDomainMaker().convertTo(policy, NativeDroolsPolicy.class));
+        } catch (RuntimeException | CoderException e) {
+            logger.warn("Invalid Policy: {}", policy);
+            return false;
+        }
+
+        DroolsConfiguration noConfig =
+                new DroolsConfiguration(
+                        DroolsControllerConstants.NO_ARTIFACT_ID,
+                        DroolsControllerConstants.NO_GROUP_ID,
+                        DroolsControllerConstants.NO_VERSION);
+
+        PolicyControllerConstants.getFactory().patch(controller, noConfig);
         return true;
     }
+
+    private PolicyController getPolicyController(NativeDroolsPolicy domainPolicy) {
+        /*
+         * If the controller is present, it must have a name (schema validated) and as such, the
+         * controller must exist (via previously deployed controller policy).
+         */
+        if (domainPolicy.getProperties().getController() != null) {
+            return PolicyControllerConstants.getFactory().get(domainPolicy.getProperties().getController().getName());
+        }
+
+        /*
+         * Attempt to get the controller from the rules coordinates (excluding the version).
+         * The rules coordinates are mandatory (per schema validation).
+         */
+        NativeDroolsRulesArtifact rules = domainPolicy.getProperties().getRulesArtifact();
+        return PolicyControllerConstants.getFactory().get(rules.getGroupId(), rules.getArtifactId());
+    }
 }