Rill/Wheel - Event generation using aggregates and commands

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

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

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

skuro / wheel