Empty node filter is removed when no filter is added

Null and empty check is added before adding a node filter object

Signed-off-by: Imam hussain <imam.hussain@est.tech>
Issue-ID: SDC-4124
Change-Id: I1e1e992881cd51dff209bac0111a472793dd41d1

2 files changed, 11 insertions, 2 deletions

diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java
index a8aa6b33a9..9591e6b1a7 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.java
@@ -937,8 +937,10 @@ public class ToscaExportHandler {
             }
             nodeTemplate.setType(componentInstance.getToscaComponentName());
             nodeTemplate.setDirectives(componentInstance.getDirectives());
-            nodeTemplate.setNode_filter(convertToNodeTemplateNodeFilterComponent(componentInstance.getNodeFilter()));
-
+            NodeFilter nodeFilter = convertToNodeTemplateNodeFilterComponent(componentInstance.getNodeFilter());
+            if(nodeFilter != null && nodeFilter.hasData()){
+                nodeTemplate.setNode_filter(nodeFilter);
+            }
             final Either<Component, Boolean> originComponentRes = capabilityRequirementConverter
                 .getOriginComponent(componentCache, componentInstance);
             if (originComponentRes.isRight()) {
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/model/NodeFilter.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/model/NodeFilter.java
index 6cad788a1e..ba93e09c13 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/model/NodeFilter.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/model/NodeFilter.java
@@ -17,6 +17,9 @@ package org.openecomp.sdc.be.tosca.model;
 
 import java.util.List;
 import java.util.Map;
+
+import org.apache.commons.collections.CollectionUtils;
+
 import lombok.Getter;
 import lombok.Setter;
 
@@ -27,4 +30,8 @@ public class NodeFilter {
     private Object tosca_id;
     private List<Map<String, List<Object>>> properties;
     private List<Map<String, CapabilityFilter>> capabilities;
+    
+    public boolean hasData() {
+        return CollectionUtils.isNotEmpty(properties) || CollectionUtils.isNotEmpty(capabilities);
+    }
 }