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rill.wheel.trigger
Triggers are called when events are committed.
Triggers are called when events are committed.
install-triggerclj
(install-trigger event-type key f)Globally register a callback f for event-type with key
key. Replaces previously installed trigger with event-type and
key.
When a matching event is succesfully committed to repository,
callback will be called as (f repository target-aggregate event),
where target-aggregate is the target of event in the state prior
to commit.
Globally register a callback `f` for `event-type` with key `key`. Replaces previously installed trigger with `event-type` and `key`. When a matching `event` is succesfully committed to `repository`, callback will be called as `(f repository target-aggregate event)`, where `target-aggregate` is the target of `event` in the state prior to commit.
triggersclj
Global registry of triggers. Atom containing map of event-type -> key -> callback.
Global registry of triggers. Atom containing map of event-type -> key -> callback.
with-triggersclj
(with-triggers repo)Wrap a repository with triggers. The standard rill.wheel
repository constructors call this wrapper so library users should
not have to call this function.
Wrap a repository with triggers. The standard `rill.wheel` repository constructors call this wrapper so library users should not have to call this function.
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