message_store v3.2.0

View Source MessageStore.ProjectionBehaviour behaviour (message_store v3.2.0)

Projection behaviour.

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Callbacks

handle_message(t, state)

A message handler

init()

The projection initial state.

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handle_message(t, state)

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@callback handle_message(EventStore.RecordedEvent.t(), state) :: state when state: any()

A message handler

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init()

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@callback init() :: any()

The projection initial state.