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Rill/Wheel - Event generation using aggregates and commands

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It may be hard for an egg to turn into a bird: it would be a jolly sight harder for it to learn to fly while remaining an egg.

-- C.S. Lewis

Build Status

Usage

See the manual

Changelog

v0.1.24

  • provide more useful arglists metadata on map->{name} constructors.

v0.1.23

  • remove work-in-progress broken files from release

v0.1.22

  • events don't include their aggregate type any more
  • introduce map->{name} constructors

v0.1.21

  • upgrade to clojure-1.9.0-alpha16 with clojure.spec.alpha namespaces

v0.1.20

  • ensure repositories print as short names instead of potentially giant map

V0.1.19

  • deserialize :rill.message/stream-id in messages when using rill.wheel/wrap-stream-properties.
  • remove debug output from rill.wheel.wrap-upcasts
  • added tests for integration with rill.event-store.mysql

V0.1.18

  • include :rill.message/stream-id and :rill.message/number in ok result.

v0.1.17

  • added upcasts wrapper. added presentation to docs

v0.1.16

  • serialize props for storing aggregate ids in durable stores

v0.1.15

  • small documentation improvements
  • use clojure.spec for parsing defevent and defcommand macro arguments
  • use provided prepost maps in ->event-name constructors

v0.1.14

  • clojure.spec specs for macros and functions
  • clojure.spec enabled for tests

v0.1.13

  • allow access to backing event-store from repository
  • added triggers. See rill.wheel.trigger
  • added rill.wheel.wrap-new-events-callback event store wrapper
  • small documentation typos fixed
  • added ->{event-name} constructor function
  • added ->{command-name} constructor function
  • deprecated {command-name}-command function

v0.1.12

  • added :rill.wheel/properties metadata to events and commands
  • added markdown reporting

v0.1.11

  • (breaking) Renamed rill.wheel.aggregate to rill.wheel
  • (breaking) defevent now takes aggregate type as a required argument
  • defevent checks for collisions of event properties with aggregate identifier
  • Added more documentation
  • Added reason function to get reason for a rejection

v0.1.10

Modified command setup, allowing commands to be supplied as messages.

  • (breaking) merged rill.wheel.command into rill.wheel.aggregate namespace
  • (breaking) rill.wheel.command takes aggregate type as additional argument.
  • (breaking) first argument to commands now must be an aggregate.
  • (breaking) ok result's aggregate now reflects the comitted (updated) aggregate.

v0.1.9

  • Improve & expand documentation

v0.1.8

  • Allow inlining of event and command definitions in defaggregate
  • Make :rill.wheel.command/events metadata optional.
  • (breaking) defcommand does not automatically commit results, use rill.wheel.command/commit!

v0.1.7

  • Documentation improvements
  • (breaking/fix) preconditions on defevent go on the event constructor.
  • (breaking) split off aggregate retrieval code generated by defaggregate into new get-$name function.

v0.1.6

  • (breaking) aggregate ids now include the aggregate type
  • body of defevent is now optional
  • (breaking) defevent creates additional {name}-event function

v0.1.5

Some breaking API updates.

  • defaggregate builds the aggregate constructor automatically
  • aggregate id is a map of identifying properties
  • repository protocol does update instead of fetch.

v0.1.4

  • Finished rill.wheel.wrap-stream-properties.

v0.1.3

  • Fixed rill.wheel.testing/sub? checking seqs with lists.

v0.1.2

  • Added rill.wheel.check namespace for checking model consistency.
  • Enforcing use of :rill.wheel.command/events key on command definitions.

v0.1.1

Initial release

License

Copyright © 2016 Joost Diepenmaat, Zeekat Software Ontwikkeling

Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.

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Event generation using aggregates and commands

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