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db_connection
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Database connection behaviour for database transactions and connection pooling
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lib/db_connection/connection_pool/pool.ex
defmodule DBConnection.ConnectionPool.Pool do
@moduledoc false
def start_link(owner, tag, mod, opts) do
size = Keyword.get(opts, :pool_size, 1)
children = for id <- 1..size, do: conn(owner, tag, id, mod, opts)
sup_opts = [strategy: :one_for_one] ++ Keyword.take(opts, [:max_restarts, :max_seconds])
Supervisor.start_link(children, sup_opts)
end
## Helpers
defp conn(owner, tag, id, mod, opts) do
child_opts = [id: {mod, owner, id}] ++ Keyword.take(opts, [:shutdown])
DBConnection.Connection.child_spec(mod, opts, owner, tag, child_opts)
end
end