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// @generated by fhir-codegen from hl7.fhir.r4b.core 4.3.0. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
//! A reference from one resource to another
/// A reference from one resource to another.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct Reference {
/// Unique id for inter-element referencing
///
/// Unique id for the element within a resource (for internal references). This
/// may be any string value that does not contain spaces.
pub id: Option<std::string::String>,
/// Additional content defined by implementations
///
/// May be used to represent additional information that is not part of the
/// basic definition of the element. To make the use of extensions safe and
/// manageable, there is a strict set of governance applied to the definition
/// and use of extensions. Though any implementer can define an extension, there
/// is a set of requirements that SHALL be met as part of the definition of the
/// extension.
pub extension: Vec<super::extension::Extension>,
/// Literal reference, Relative, internal or absolute URL
///
/// A reference to a location at which the other resource is found. The
/// reference may be a relative reference, in which case it is relative to the
/// service base URL, or an absolute URL that resolves to the location where the
/// resource is found. The reference may be version specific or not. If the
/// reference is not to a FHIR RESTful server, then it should be assumed to be
/// version specific. Internal fragment references (start with '\#') refer to
/// contained resources.
pub reference: Option<super::primitives::String>,
/// Type the reference refers to (e.g. "Patient")
///
/// The expected type of the target of the reference. If both Reference.type and
/// Reference.reference are populated and Reference.reference is a FHIR URL,
/// both SHALL be consistent. The type is the Canonical URL of Resource
/// Definition that is the type this reference refers to. References are URLs
/// that are relative to <http://hl7.org/fhir/StructureDefinition/> e.g.
/// "Patient" is a reference to
/// <http://hl7.org/fhir/StructureDefinition/Patient>. Absolute URLs are only
/// allowed for logical models (and can only be used in references in logical
/// models, not resources).
pub r#type: Option<super::primitives::Uri>,
/// Logical reference, when literal reference is not known
///
/// An identifier for the target resource. This is used when there is no way to
/// reference the other resource directly, either because the entity it
/// represents is not available through a FHIR server, or because there is no
/// way for the author of the resource to convert a known identifier to an
/// actual location. There is no requirement that a Reference.identifier point
/// to something that is actually exposed as a FHIR instance, but it SHALL point
/// to a business concept that would be expected to be exposed as a FHIR
/// instance, and that instance would need to be of a FHIR resource type allowed
/// by the reference.
pub identifier: Option<Box<super::identifier::Identifier>>,
/// Text alternative for the resource
///
/// Plain text narrative that identifies the resource in addition to the
/// resource reference.
pub display: Option<super::primitives::String>,
}
impl super::super::codec::Json for Reference {
fn to_json(&self) -> Result<super::super::codec::Object, super::super::codec::EncodeError> {
let mut object = super::super::codec::Object::new();
if let Some(v) = &self.id {
object.insert(
std::string::String::from("id"),
serde_json::Value::String(v.clone()),
);
}
if !self.extension.is_empty() {
let mut items = Vec::with_capacity(self.extension.len());
for item in &self.extension {
items.push(serde_json::Value::Object(
super::super::codec::Json::to_json(item)?,
));
}
object.insert(
std::string::String::from("extension"),
serde_json::Value::Array(items),
);
}
if let Some(item) = &self.reference {
if let Some(v) = super::super::codec::Primitive::value_json(item)? {
object.insert(std::string::String::from("reference"), v);
}
if let Some(e) = super::super::codec::Primitive::element_json(item)? {
object.insert(std::string::String::from("_reference"), e);
}
}
if let Some(item) = &self.r#type {
if let Some(v) = super::super::codec::Primitive::value_json(item)? {
object.insert(std::string::String::from("type"), v);
}
if let Some(e) = super::super::codec::Primitive::element_json(item)? {
object.insert(std::string::String::from("_type"), e);
}
}
if let Some(item) = &self.identifier {
object.insert(
std::string::String::from("identifier"),
serde_json::Value::Object(super::super::codec::Json::to_json(item.as_ref())?),
);
}
if let Some(item) = &self.display {
if let Some(v) = super::super::codec::Primitive::value_json(item)? {
object.insert(std::string::String::from("display"), v);
}
if let Some(e) = super::super::codec::Primitive::element_json(item)? {
object.insert(std::string::String::from("_display"), e);
}
}
Ok(object)
}
fn from_json(
object: &super::super::codec::Object,
path: &mut super::super::codec::Path,
) -> Result<Self, super::super::codec::DecodeError> {
let mut raw_id: Option<&serde_json::Value> = None;
let mut raw_extension: Option<&serde_json::Value> = None;
let mut raw_reference: Option<&serde_json::Value> = None;
let mut raw_reference_element: Option<&serde_json::Value> = None;
let mut raw_type: Option<&serde_json::Value> = None;
let mut raw_type_element: Option<&serde_json::Value> = None;
let mut raw_identifier: Option<&serde_json::Value> = None;
let mut raw_display: Option<&serde_json::Value> = None;
let mut raw_display_element: Option<&serde_json::Value> = None;
for (key, value) in object {
match key.as_str() {
"id" => raw_id = Some(value),
"extension" => raw_extension = Some(value),
"reference" => raw_reference = Some(value),
"_reference" => raw_reference_element = Some(value),
"type" => raw_type = Some(value),
"_type" => raw_type_element = Some(value),
"identifier" => raw_identifier = Some(value),
"display" => raw_display = Some(value),
"_display" => raw_display_element = Some(value),
other => {
return path.with(other, |path| {
Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty))
});
}
}
}
let field_id = raw_id
.map(|value| {
path.with("id", |path| {
let value = super::super::codec::expect_single(value, path)?;
super::super::codec::expect_string(value, path)
})
})
.transpose()?;
let mut field_extension = Vec::new();
if let Some(raw) = raw_extension {
for (index, value) in super::super::codec::expect_array(raw, path)?
.iter()
.enumerate()
{
field_extension.push(path.with_index("extension", index, |path| {
super::super::codec::Json::from_json(
super::super::codec::expect_object(value, path)?,
path,
)
})?);
}
}
let field_reference = match (raw_reference, raw_reference_element) {
(None, None) => None,
(value, element) => Some(path.with("reference", |path| {
super::super::codec::Primitive::from_json_parts(value, element, path)
})?),
};
let field_type = match (raw_type, raw_type_element) {
(None, None) => None,
(value, element) => Some(path.with("type", |path| {
super::super::codec::Primitive::from_json_parts(value, element, path)
})?),
};
let field_identifier = raw_identifier
.map(|value| {
path.with("identifier", |path| {
super::super::codec::Json::from_json(
super::super::codec::expect_object(
super::super::codec::expect_single(value, path)?,
path,
)?,
path,
)
.map(Box::new)
})
})
.transpose()?;
let field_display = match (raw_display, raw_display_element) {
(None, None) => None,
(value, element) => Some(path.with("display", |path| {
super::super::codec::Primitive::from_json_parts(value, element, path)
})?),
};
Ok(Self {
id: field_id,
extension: field_extension,
reference: field_reference,
r#type: field_type,
identifier: field_identifier,
display: field_display,
})
}
}
impl serde::Serialize for Reference {
fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
super::super::codec::Json::to_json(self)
.map_err(serde::ser::Error::custom)?
.serialize(serializer)
}
}
impl<'de> serde::Deserialize<'de> for Reference {
fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
let value = serde_json::Value::deserialize(deserializer)?;
let mut path = super::super::codec::Path::root("Reference");
let object =
super::super::codec::expect_object(&value, &path).map_err(serde::de::Error::custom)?;
super::super::codec::Json::from_json(object, &mut path).map_err(serde::de::Error::custom)
}
}