tree a7e3c2eb5680dfc6ef6d8639c95e9578cff8cd2a
parent 9eb9fcb79f17ad7c08c77c455ba3e8d89e3bdbf2
author tmdiep <tmdiep@google.com> 1603845528 +1100
committer GitHub <noreply@github.com> 1603845528 +1100
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feat(pubsublite): Message type and message routers (#3077)

pubsublite.Message is similar to pubsub.Message, with the following differences:
- Attributes can have multiple values for the same key.
- Pub/Sub Lite uses []byte for data, attribute values and ordering keys.

Message routers select a partition to route a published message to. SHA256 hash is used for routing messages with ordering keys. Round robin is used for routing messages without ordering keys.