Private OptionaldescriptionExpression.description Element
Private OptionalnameExpression.name Element
Private OptionallanguageExpression.language Element
FHIR Specification
codePrivate OptionalexpressionExpression.expression Element
FHIR Specification
stringPrivate OptionalreferenceExpression.reference Element
StaticparseParse the provided Expression JSON to instantiate the Expression data model.
JSON representing FHIR Expression
OptionaloptSourceField: stringOptional data source field (e.g. <complexTypeName>.<complexTypeFieldName>); defaults to Expression
Expression data model or undefined for Expression
JsonError if the provided JSON is not a valid JSON object
the description property value as a StringType object if defined; else an empty StringType object
Assigns the provided PrimitiveType value to the description property.
the description value
this
InvalidTypeError for invalid data types
PrimitiveTypeError for invalid primitive types
true if the description property exists and has a value; false otherwise
the description property value as a fhirString if defined; else undefined
Assigns the provided primitive value to the description property.
the description value
this
PrimitiveTypeError for invalid primitive types
true if the description property exists and has a value; false otherwise
the name property value as a CodeType object if defined; else an empty CodeType object
Assigns the provided PrimitiveType value to the name property.
the name value
this
InvalidTypeError for invalid data types
PrimitiveTypeError for invalid primitive types
true if the name property exists and has a value; false otherwise
the name property value as a fhirCode if defined; else undefined
Assigns the provided primitive value to the name property.
the name value
this
PrimitiveTypeError for invalid primitive types
true if the name property exists and has a value; false otherwise
the language property value as a CodeType object if defined; else an empty CodeType object
Assigns the provided PrimitiveType value to the language property.
the language value
this
InvalidTypeError for invalid data types
PrimitiveTypeError for invalid primitive types
true if the language property exists and has a value; false otherwise
the language property value as a fhirCode if defined; else undefined
Assigns the provided primitive value to the language property.
the language value
this
PrimitiveTypeError for invalid primitive types
true if the language property exists and has a value; false otherwise
the expression property value as a StringType object if defined; else an empty StringType object
Assigns the provided PrimitiveType value to the expression property.
the expression value
this
InvalidTypeError for invalid data types
PrimitiveTypeError for invalid primitive types
true if the expression property exists and has a value; false otherwise
the expression property value as a fhirString if defined; else undefined
Assigns the provided primitive value to the expression property.
the expression value
this
PrimitiveTypeError for invalid primitive types
true if the expression property exists and has a value; false otherwise
the reference property value as a UriType object if defined; else an empty UriType object
Assigns the provided PrimitiveType value to the reference property.
the reference value
this
InvalidTypeError for invalid data types
PrimitiveTypeError for invalid primitive types
true if the reference property exists and has a value; false otherwise
the reference property value as a fhirUri if defined; else undefined
Assigns the provided primitive value to the reference property.
the reference value
this
PrimitiveTypeError for invalid primitive types
true if the reference property exists and has a value; false otherwise
the FHIR type defined in the FHIR standard
true if the instance is empty; false otherwise
Creates a copy of the current instance.
the a new instance copied from the current instance
true if the instance is a FHIR complex datatype; false otherwise
the complex or primitive data model type name (e.g., 'Period", 'StringType', `UriType', etc.)
the JSON value or undefined if the instance is empty
true if the instance is a FHIR complex or primitive datatype; false otherwise
the id property value
Assigns the provided value to the id property.
the id value
this
PrimitiveTypeError for invalid value
true if id exists and has a value; false otherwise
the array of extension values
Assigns the provided array of Extension values to the extension property.
array of Extensions
this
Determines if the extension property exists.
Optionalurl: stringthe url that identifies a specific Extension
true if an Extension has the provided url; false otherwise
If the url is provided, determines if an Extension having
the provided url exists. If the url is not provided, determines
if the extension property exists and has any values.
AssertionError for invalid url
Determines if the extension property exists.
the url that identifies a specific Extension
an Extension having the provided url
If the url is provided, determines if an Extension having
the provided url exists. If the url is not provided, determines
if the extension property exists and has any values.
AssertionError for invalid url
Adds the provided Extension to the extension property array.
the Extension value to add to the extension property array
this
Removes the Extension having the provided url from the extension property array.
the url that identifies a specific Extension to remove
AssertionError for invalid url
true if and only if the data model has required fields (min cardinality > 0)
and at least one of those required fields in the instance is empty; false otherwise
true if the instance is a FHIR resource; false otherwise
true if the instance is a FHIR primitive datatype; false otherwise
true if the instance is a FHIR primitive boolean datatype; false otherwise
true if the instance is a FHIR primitive string-based datatype; false otherwise
true if the instance is a FHIR primitive number-based datatype; false otherwise
true if the instance is a FHIR primitive bigint-based datatype; false otherwise
true if the instance is a FHIR primitive datetime-based datatype; false otherwise
ProtectedcopyProtectedCopies the current instance's elements into the provided object.
the copied instance
Expression Class
Remarks
Expression Type: A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used.
FHIR Specification
See
FHIR Expression