Struct CodeListProvider 

pub struct CodeListProvider { /* private fields */ }

Provider that checks whether a value belongs to a known code list.

Condition name format: "code_in_<data_element_id>:<value>" Returns True if the value is in the list, False if not, Unknown if the list is unknown.

Implementations

impl CodeListProvider

pub fn new(lists: HashMap<String, Vec<String>>) -> Self

pub fn from_json(json: &str) -> Result<Self, Error>

Load from the JSON format produced by extract-code-lists CLI.

pub fn from_json_file(path: &Path) -> Result<Self, Box<dyn Error + Send + Sync>>

Load from a JSON file path.

Trait Implementations

impl ExternalConditionProvider for CodeListProvider

fn evaluate(&self, condition_name: &str) -> ConditionResult

Evaluate an external condition by name.

fn now(&self) -> DateTime<Utc>

The present moment, for conditions that compare against it: UTILMD [494] “das hier genannte Datum muss der Zeitpunkt sein, zu dem das Dokument erstellt wurde, oder ein Zeitpunkt, der davor liegt”. The wall clock by default; a caller on a simulated clock overrides it.