Improve the design of KeyValuePersistence

cebes / cebes-server

Cebes servers

https://cebes.github.io

Apache License 2.0

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Closed phvu closed 7 years ago

phvu commented 7 years ago

The current implementation has some issue:

KeyValuePersistence belongs to cebes-dataframe, which might be refactored into something else
SchemaJsonProtocol makes cebes-dataframe depends on spray.json, which might not really be a good idea
The overall design and organization of SparkDataframeStore and JdbcResultStorage is a bit confusing

phvu commented 7 years ago

Refactored in various PRs, with separated project for cebes-dataframe-json and cebes-persistence-jdbc