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//! Reference
//!
//! URL: http://hl7.org/fhir/StructureDefinition/Reference
//!
//! Version: 5.0.0
//!
//! Reference Type: A reference from one resource to another.
//!
//! FHIR: <https://build.fhir.org/>
//!
//! UML: <https://build.fhir.org/uml.html>
//!
//! A `Reference` is a lightweight link from one resource to another resource, either by URL/id or by logical identifier.
// Allow unused crate::r5::types as types;
#![allow(unused_imports)]
use crate::r5::types;
use ::serde::{Deserialize, Serialize};
use fhir_derive_macros::Validate;
/// A reference from one resource to another, used wherever one resource needs to point to
/// another (e.g. a `Patient` referenced from an `Observation`). The reference may be a literal
/// relative or absolute URL, or it may carry only a business `identifier` and/or a human-readable
/// `display` string when no resolvable URL is available.
///
/// # Examples
///
/// ```
/// use fhir::r5::types::reference::Reference;
///
/// let value = Reference::default();
/// let json = ::serde_json::to_value(&value).unwrap();
/// let back: Reference = ::serde_json::from_value(json).unwrap();
/// assert_eq!(value, back);
/// ```
#[serde_with::skip_serializing_none]
#[derive(Debug, Default, Clone, Serialize, Deserialize, PartialEq, Eq, Validate)]
#[serde(rename_all = "camelCase")]
pub struct Reference {
/// Literal reference, relative, internal or absolute URL. // « C »
pub reference: Option<types::String>, // « C »
#[serde(rename = "type")]
/// Type the reference refers to, e.g. "Patient" (a resource type or absolute URL). // « ResourceType+ »
pub r#type: Option<types::Uri>, // « ResourceType+ »
/// Logical reference, when literal reference is not known. // « C »
pub identifier: Option<Box<types::Identifier>>, // « C » //TODO fix this infinite recursion and also eliminate the Box wrapper.
/// Text alternative for the resource, for display when the resource cannot be resolved. // « C »
pub display: Option<types::String>, // « C »
}
#[cfg(test)]
mod tests {
use super::*;
type T = Reference;
#[test]
fn test_default() {
let actual = T::default();
let expect = T {
reference: None,
r#type: None,
identifier: None,
display: None,
};
assert_eq!(actual, expect);
}
mod serde_json {
use super::*;
use ::serde_json::json;
#[test]
fn test_serde_json_from_value() {
let json = json!({});
let actual: T = ::serde_json::from_value(json).expect("from_value");
let expect: T = T::default();
assert_eq!(actual, expect);
}
#[test]
fn test_serde_json_to_value() {
let actual: ::serde_json::Value =
::serde_json::to_value(T::default()).expect("to_value");
let expect: ::serde_json::Value = json!({});
assert_eq!(actual, expect);
}
}
}