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eventstore
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Event store using PostgreSQL for persistence.
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lib/event_store/supervisor.ex
defmodule EventStore.Supervisor do
@moduledoc false
use Supervisor
alias EventStore.Registration
def start_link(config) do
serializer = EventStore.configured_serializer()
Supervisor.start_link(__MODULE__, [config, serializer])
end
def init([config, serializer]) do
children = [
{Postgrex, postgrex_opts(config)},
Supervisor.child_spec({Registry, keys: :unique, name: EventStore.Subscriptions.Subscription}, id: EventStore.Subscriptions.Subscription),
Supervisor.child_spec({Registry, keys: :duplicate, name: EventStore.Subscriptions.PubSub, partitions: System.schedulers_online}, id: EventStore.Subscriptions.PubSub),
{EventStore.Subscriptions.Supervisor, []},
{EventStore.Streams.Supervisor, serializer},
{EventStore.Publisher, serializer},
] ++ Registration.child_spec()
Supervisor.init(children, strategy: :one_for_one)
end
defp postgrex_opts(config) do
[
pool_size: 10,
pool_overflow: 0,
]
|> Keyword.merge(config)
|> Keyword.take([
:username,
:password,
:database,
:hostname,
:port,
:pool,
:pool_size,
:pool_overflow
])
|> Keyword.merge(name: :event_store)
end
end