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eventstore
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Event store using PostgreSQL for persistence.
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Files
lib/event_store/event_data.ex
defmodule EventStore.EventData do
@moduledoc """
EventData contains the data for a single event before being persisted to storage
"""
defstruct [
:correlation_id,
:causation_id,
:event_type,
:data,
:metadata,
]
@type uuid :: String.t
@type t :: %EventStore.EventData{
correlation_id: uuid() | nil,
causation_id: uuid() | nil,
event_type: String.t,
data: term,
metadata: term | nil
}
def fetch(map, key) when is_map(map) do
Map.fetch(map, key)
end
def get_and_update(map, key, fun) when is_map(map) do
Map.get_and_update(map, key, fun)
end
end