Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1410#discussion_r144032204
--- Diff:
core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMap.java ---
@@ -26,7 +26,7 @@
/**
* Datamap is an entity which can store and retrieve index data.
*/
-public interface DataMap {
+public interface DataMap<T extends Blocklet> {
--- End diff --
If there are only FG and CG datamap, I prefer to make another interface for
FG datamap instead of adding generic. So there will be CoarseGrainDataMap and
FineGrainDataMap interface
---
