chaitalicod commented on code in PR #489:
URL: https://github.com/apache/atlas/pull/489#discussion_r2719694896


##########
repository/src/main/java/org/apache/atlas/repository/impexp/StartEntityFetchByExportRequest.java:
##########
@@ -177,15 +189,61 @@ private List<String> 
getEntitiesForMatchTypeUsingUniqueAttributes(AtlasObjectId
         return new ArrayList<>(ret);
     }
 
-    private List<String> getEntitiesForMatchTypeType(AtlasObjectId item, 
String matchType) {
-        return executeGremlinQuery(getQueryTemplateForMatchType(matchType), 
getBindingsForTypeName(item.getTypeName()));
+    private List<String> getEntitiesForMatchTypeType(AtlasObjectId item, 
String matchType) throws AtlasBaseException {
+        String typeName = item.getTypeName();
+
+        AtlasEntityType entityType = 
typeRegistry.getEntityTypeByName(typeName);
+
+        if (StringUtils.isNotEmpty(typeName) && entityType == null) {
+            throw new AtlasBaseException(AtlasErrorCode.UNKNOWN_TYPENAME, 
typeName);
+        }
+
+        boolean isRootOrGenericSearch = StringUtils.isEmpty(typeName) || 
(CollectionUtils.isNotEmpty(entityType.getAllSubTypes()) && 
entityType.getSuperTypes().isEmpty());

Review Comment:
   we are already checking not empty here 
   
   if (StringUtils.isNotEmpty(typeName) && entityType == null) {
               throw new AtlasBaseException(AtlasErrorCode.UNKNOWN_TYPENAME, 
typeName);
           }
   
   then is it required to check empty or not here 
   
           boolean isRootOrGenericSearch = StringUtils.isEmpty(typeName) || 
(CollectionUtils.isNotEmpty(entityType.getAllSubTypes()) && 
entityType.getSuperTypes().isEmpty());
   



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