Github user karol-brejna-i commented on the issue:
https://github.com/apache/incubator-gearpump/pull/11
I think I see the idea behind RedisSink and RedisStorage.
Redis is advertised as "data structure store". It supports structures (like
strings, lists, sets, hashes, etc.) and operation on them (add element to a
set, remove element; add element at the beginning of a list, at the end; remove
element from head/tail of the list, etc.).
It also pub/sub server (http://redis.io/topics/pubsub)
RedisSource and RedisSink work on "classic" message stream utilizing Redis'
pub/sub mechanizm. The source subscribes to a channel. The sink publishes to a
channel.
RedisStorage reads a message and let you make a Redis command (add to list,
set, etc.). The subset of commands is defined in RedisMessage. (I would think
about changing the name, though. For example RedisCommandSink or similar).
@darionyaphet what do you think?
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