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rdf.go
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rdf.go
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package rdf
import "fmt"
// Namespaces
const (
RdfsNS = "rdfs"
RdfNS = "rdf"
CloudNS = "cloud"
CloudRelNS = "cloud-rel"
CloudOwlNS = "cloud-owl"
XsdNS = "xsd"
NetNS = "net"
NetowlNS = "net-owl"
)
// Existing terms
var (
RdfsLabel = fmt.Sprintf("%s:label", RdfsNS)
RdfsList = fmt.Sprintf("%s:list", RdfsNS)
RdfsDefinedBy = fmt.Sprintf("%s:isDefinedBy", RdfsNS)
RdfsDataType = fmt.Sprintf("%s:Datatype", RdfsNS)
RdfsSeeAlso = fmt.Sprintf("%s:seeAlso", RdfsNS)
RdfsLiteral = fmt.Sprintf("%s:Literal", RdfsNS)
RdfsClass = fmt.Sprintf("%s:Class", RdfsNS)
RdfsSubProperty = fmt.Sprintf("%s:subPropertyOf", RdfsNS)
RdfsComment = fmt.Sprintf("%s:comment", RdfsNS)
RdfType = fmt.Sprintf("%s:type", RdfNS)
RdfProperty = fmt.Sprintf("%s:Property", RdfNS)
XsdString = fmt.Sprintf("%s:string", XsdNS)
XsdBoolean = fmt.Sprintf("%s:boolean", XsdNS)
XsdInt = fmt.Sprintf("%s:int", XsdNS)
XsdDateTime = fmt.Sprintf("%s:dateTime", XsdNS)
)
// Classes
var (
Grant = fmt.Sprintf("%s:Grant", CloudOwlNS)
NetFirewallRule = fmt.Sprintf("%s:FirewallRule", NetowlNS)
NetRoute = fmt.Sprintf("%s:Route", NetowlNS)
CloudGrantee = fmt.Sprintf("%s:Grantee", CloudOwlNS)
KeyValue = fmt.Sprintf("%s:KeyValue", CloudOwlNS)
DistributionOrigin = fmt.Sprintf("%s:DistributionOrigin", CloudOwlNS)
Permission = fmt.Sprintf("%s:permission", CloudNS)
Grantee = fmt.Sprintf("%s:grantee", CloudNS)
NetRouteTargets = fmt.Sprintf("%s:routeTargets", NetNS)
NetDestinationPrefixList = fmt.Sprintf("%s:routeDestinationPrefixList", NetNS)
)
// Relations
var (
ParentOf = fmt.Sprintf("%s:parentOf", CloudRelNS)
ChildrenOfRel = "childrenOf"
ApplyOn = fmt.Sprintf("%s:applyOn", CloudRelNS)
DependingOnRel = "dependingOn"
)
type rdfProp struct {
ID, RdfType, RdfsLabel, RdfsDefinedBy, RdfsDataType string
}
type RDFProperties map[string]rdfProp
func (r RDFProperties) Get(prop string) (rdfProp, error) {
p, ok := r[prop]
if !ok {
return rdfProp{}, fmt.Errorf("property '%s' not found", p)
}
return p, nil
}
func (r RDFProperties) IsRDFProperty(id string) bool {
prop, ok := r[id]
if !ok {
return false
}
return prop.RdfType == RdfProperty
}
func (r RDFProperties) IsRDFSubProperty(id string) bool {
prop, ok := r[id]
if !ok {
return false
}
return prop.RdfType == RdfsSubProperty
}
func (r RDFProperties) IsRDFList(prop string) bool {
p, ok := r[prop]
if !ok {
return false
}
return p.RdfsDefinedBy == RdfsList
}
func (r RDFProperties) GetRDFId(label string) (string, error) {
propId, ok := Labels[label]
if !ok {
return "", fmt.Errorf("get property id: label '%s' not found", label)
}
return propId, nil
}
func (r RDFProperties) GetDataType(prop string) (string, error) {
p, ok := r[prop]
if !ok {
return "", fmt.Errorf("property '%s' not found", p)
}
return p.RdfsDataType, nil
}
func (r RDFProperties) GetLabel(prop string) (string, error) {
p, ok := r[prop]
if !ok {
return "", fmt.Errorf("property '%s' not found", p)
}
return p.RdfsLabel, nil
}
func (r RDFProperties) GetDefinedBy(prop string) (string, error) {
p, ok := r[prop]
if !ok {
return "", fmt.Errorf("property '%s' not found", p)
}
return p.RdfsDefinedBy, nil
}