Linkage.shex

ShEx statement for linkage

PREFIX fhir: <http://hl7.org/fhir/> 
PREFIX fhirvs: <http://hl7.org/fhir/ValueSet/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> 
BASE <http://hl7.org/fhir/shape/>

start=<Linkage> AND {fhir:nodeRole [fhir:treeRoot]}


# Links records for 'same' item
<Linkage> CLOSED {
    a [fhir:Linkage];
    fhir:nodeRole [fhir:treeRoot]?;
    fhir:Resource.id @<id>?;                # Logical id of this artifact
    fhir:Resource.meta @<Meta>?;            # Metadata about the resource
    fhir:Resource.implicitRules @<uri>?;    # A set of rules under which this 
                                            # content was created 
    fhir:Resource.language @<code>?;        # Language of the resource content
    fhir:DomainResource.text @<Narrative>?;  # Text summary of the resource, for 
                                            # human interpretation 
    fhir:DomainResource.contained @<Resource>*;  # Contained, inline Resources
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:modifierExtension @<Extension>*;   # Extensions that cannot be ignored
    fhir:Linkage.author                     # Who is responsible for linkages
    (   @<PractitionerReference> OR
        @<OrganizationReference>
    )?;
    fhir:Linkage.item @<Linkage.item>+;     # Item to be linked
    fhir:index xsd:integer?                 # Relative position in a list
}

# Item to be linked
<Linkage.item> CLOSED {
    fhir:Element.id @<string>?;             # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:modifierExtension @<Extension>*;   # Extensions that cannot be ignored
    fhir:Linkage.item.type @<code> AND
    	{fhir:value @fhirvs:linkage-type};  # source | alternate | historical
    fhir:Linkage.item.resource @<Reference>;  # Resource being linked
    fhir:index xsd:integer?                 # Relative position in a list
}

#---------------------- Data Types -------------------

<Extension> {fhir:extension @<Extension>*;
    fhir:index xsd:integer?
}

# Metadata about a resource
<Meta> CLOSED {
    fhir:Element.id @<string>?;             # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:Meta.versionId @<id>?;             # Version specific identifier
    fhir:Meta.lastUpdated @<instant>?;      # When the resource version last 
                                            # changed 
    fhir:Meta.profile @<uri>*;              # Profiles this resource claims to 
                                            # conform to 
    fhir:Meta.security @<Coding>*;          # Security Labels applied to this 
                                            # resource 
    fhir:Meta.tag @<Coding>*;               # Tags applied to this resource
    fhir:index xsd:integer?                 # Relative position in a list
}

# Primitive Type code
<code> CLOSED {
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:value xsd:string?;                 # Primitive value for code
    fhir:index xsd:integer?                 # Relative position in a list
}

# Primitive Type string
<string> CLOSED {
    fhir:id @<id>?;                         # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:value xsd:string MAXLENGTH 1048576?;  # Primitive value for string
    fhir:index xsd:integer?                 # Relative position in a list
}

# A human-readable formatted text, including images
<Narrative> CLOSED {
    fhir:Element.id @<string>?;             # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:Narrative.status @<code> AND
    	{fhir:value @fhirvs:narrative-status};  # generated | extensions | 
                                            # additional | empty 
    fhir:Narrative.div xsd:string;          # Limited xhtml content
    fhir:index xsd:integer?                 # Relative position in a list
}

# A reference from one resource to another
<Reference> CLOSED {
    fhir:link IRI?;
    fhir:Element.id @<string>?;             # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:Reference.reference @<string>?;    # Relative, internal or absolute URL 
                                            # reference 
    fhir:Reference.display @<string>?;      # Text alternative for the resource
    fhir:index xsd:integer?                 # Relative position in a list
}

# Base Resource
<Resource> {a .+;
    fhir:Resource.id @<id>?;                # Logical id of this artifact
    fhir:Resource.meta @<Meta>?;            # Metadata about the resource
    fhir:Resource.implicitRules @<uri>?;    # A set of rules under which this 
                                            # content was created 
    fhir:Resource.language @<code>?;        # Language of the resource content
    fhir:index xsd:integer?
}

# Primitive Type id
<id> CLOSED {
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:value xsd:string?;                 # Primitive value for id
    fhir:index xsd:integer?                 # Relative position in a list
}

# Primitive Type uri
<uri> CLOSED {
    fhir:id @<id>?;                         # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:value xsd:string?;                 # Primitive value for uri
    fhir:index xsd:integer?                 # Relative position in a list
}

# A reference to a code defined by a terminology system
<Coding> CLOSED {
    fhir:concept IRI?;
    fhir:Element.id @<string>?;             # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:Coding.system @<uri>?;             # Identity of the terminology system
    fhir:Coding.version @<string>?;         # Version of the system - if relevant
    fhir:Coding.code @<code>?;              # Symbol in syntax defined by the 
                                            # system 
    fhir:Coding.display @<string>?;         # Representation defined by the 
                                            # system 
    fhir:Coding.userSelected @<boolean>?;   # If this coding was chosen directly 
                                            # by the user 
    fhir:index xsd:integer?                 # Relative position in a list
}

# Primitive Type instant
<instant> CLOSED {
    fhir:id @<id>?;                         # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:value xsd:dateTime?;               # Primitive value for instant
    fhir:index xsd:integer?                 # Relative position in a list
}

# Primitive Type boolean
<boolean> CLOSED {
    fhir:id @<id>?;                         # xml:id (or equivalent in JSON)
    fhir:extension @<Extension>*;           # Additional Content defined by 
                                            # implementations 
    fhir:value xsd:boolean?;                # Primitive value for boolean
    fhir:index xsd:integer?                 # Relative position in a list
}

#---------------------- Reference Types -------------------

<PractitionerReference> CLOSED {
    fhir:Element.id @<id>?;
    fhir:extension @<Extension>*;
    fhir:link @<Practitioner> OR CLOSED {a fhir:Practitioner}?;
    fhir:Reference.reference @<string>?;
    fhir:Reference.display @<string>?;
    fhir:index xsd:integer?
}

<OrganizationReference> CLOSED {
    fhir:Element.id @<id>?;
    fhir:extension @<Extension>*;
    fhir:link @<Organization> OR CLOSED {a fhir:Organization}?;
    fhir:Reference.reference @<string>?;
    fhir:Reference.display @<string>?;
    fhir:index xsd:integer?
}

#---------------------- Value Sets ------------------------

# Used to distinguish different roles a resource can play within a set of linked resources
@fhirvs:linkage-type = ["source" "alternate" "historical"]

# The status of a resource narrative
@fhirvs:narrative-status = ["generated" "extensions" "additional" "empty"]