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lib/tablex/hit_policy.ex
defmodule Tablex.HitPolicy do
@moduledoc """
This module defines hit policies.
"""
@type hit_policy :: :first_hit | :collect | :merge | :reverse_merge
@hit_policies [
first_hit: "F",
collect: "C",
merge: "M",
reverse_merge: "R"
]
@doc """
Get all supported hit policies.
"""
@spec hit_policies() :: [{hit_policy(), mark :: String.t()}]
def hit_policies do
@hit_policies
end
@doc """
"""
@spec to_policy(String.t()) :: hit_policy() | nil
for {policy, text} <- @hit_policies do
def to_policy(unquote(text)), do: unquote(policy)
end
end