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Pure Elixir HL7 v2.x toolkit — schema-driven parsing, typed segments, message builder, MLLP transport
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lib/hl7v2/type/pt.ex
defmodule HL7v2.Type.PT do
@moduledoc """
Processing Type (PT) -- HL7v2 composite data type.
Used in MSH-11 to indicate processing mode.
2 components:
1. Processing ID (ID) -- Table 0103: D (Debugging), P (Production), T (Training)
2. Processing Mode (ID) -- Table 0207: A (Archive), R (Restore), I (Initial), T (Current)
"""
@behaviour HL7v2.Type
alias HL7v2.Type
defstruct [:processing_id, :processing_mode]
@type t :: %__MODULE__{
processing_id: binary() | nil,
processing_mode: binary() | nil
}
@doc """
Parses a PT from a list of components.
## Examples
iex> HL7v2.Type.PT.parse(["P"])
%HL7v2.Type.PT{processing_id: "P"}
iex> HL7v2.Type.PT.parse(["P", "T"])
%HL7v2.Type.PT{processing_id: "P", processing_mode: "T"}
iex> HL7v2.Type.PT.parse([])
%HL7v2.Type.PT{}
"""
@spec parse(list()) :: t()
def parse(components) when is_list(components) do
%__MODULE__{
processing_id: Type.get_component(components, 0),
processing_mode: Type.get_component(components, 1)
}
end
@doc """
Encodes a PT to a list of component strings.
## Examples
iex> HL7v2.Type.PT.encode(%HL7v2.Type.PT{processing_id: "P"})
["P"]
iex> HL7v2.Type.PT.encode(%HL7v2.Type.PT{processing_id: "P", processing_mode: "T"})
["P", "T"]
iex> HL7v2.Type.PT.encode(nil)
[]
"""
@spec encode(t() | nil) :: list()
def encode(nil), do: []
def encode(%__MODULE__{} = pt) do
[
pt.processing_id || "",
pt.processing_mode || ""
]
|> Type.trim_trailing()
end
end