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Event Store

It only support Insert and Query

Query’s results are always ordered time ascending

How to use

Please reference for argument’s specs for functions

Configure Environment

  • first DynamoDB options and table name need to be defined.

    If there isn’t table with the name, one will be created.

(def dynamo-db-option {:access-key "fakeMyKeyId"
                       :secret-key "fakeSecretAccessKey"
                       :endpoint   "http://localhost:8000"})
(def dynamo-db-table-name "event-table")
(set-env dynamo-db-option dynamo-db-table-name)

Insert

  • save event consisting of keywords :entity-id :event-type :value
(save-event {:entity-id  "uuid-string"
             :event-type "test-create-club",
             :value {}}

Query

  • query by entity identity id
  • query by event type name
  • if time is passed events after the time will be queried
(by-entity-ids uuid)
(by-entity-ids [uuid])
(by-entity-ids [uuid1 uuid2])
(by-entity-ids [uuid1 uuid2] event-type time)

(by-event-types event-type)
(by-event-types [event-type])
(by-event-types [type1 type1] time)