add methods to check if a fact exists.

Issue-ID: POLICY-2762
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: Ic00d2a548dbc904e044d2310c7d5439a1cb708a5
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/policy-management/src/main/java/org/onap/policy/drools/controller/internal/NullDroolsController.java b/policy-management/src/main/java/org/onap/policy/drools/controller/internal/NullDroolsController.java
index 4373b35e..e20d1777 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/controller/internal/NullDroolsController.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/controller/internal/NullDroolsController.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2021 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.
@@ -214,6 +214,16 @@ public class NullDroolsController implements DroolsController {
         return false;
     }
 
+    @Override
+    public <T> boolean exists(@NonNull String sessionName, @NonNull T fact) {
+        return false;
+    }
+
+    @Override
+    public <T> boolean exists(@NonNull T fact) {
+        return false;
+    }
+
     private String makeInvokeMsg() {
         return this.getClass().getName() + " invoked";
     }