Coverage for src/lumen/derivation/models.py: 100%

1""" 

2This file defines the data representation for a single derivation rule. 

3""" 

4 

5from __future__ import annotations 

6 

7from dataclasses import dataclass 

8 

9 

10@dataclass(frozen=True) 

11class DerivationRuleDef: 

12 resource_type: str 

13 target_path: str # top-level element to fill in, e.g. "category" 

14 source_path: str # FHIRPath evaluated for Coding values, e.g. "type.coding" 

15 concept_map_url: str # canonical URL of the ConceptMap to translate through 

16 description: str = "" 

17 # True when target_path is a FHIR collection (max cardinality > 1, e.g. 

18 # DocumentReference.category): the engine appends a CodeableConcept to the 

19 # list instead of assigning a single one. 

20 target_is_list: bool = False