/// <summary>
/// Interprets Domain and Range triples.
/// </summary>
/// <param name="dataModelModule">Instance of DataModelModule class to be updated.</param>
internal override void Interpret(DataModelModule dataModelModule)
{
// Validate domain and range triple rules.
Validate();
foreach (Triple triple in PropertyTriples)
{
//Get range and domain triples.
Triple rangeTriple = RangeTriples.
Where(tuple => tuple.TripleSubject == triple.TripleSubject).First();
Triple domainTriple = DomainTriples.
Where(tuple => tuple.TripleSubject == triple.TripleSubject).First();
//Add property.
if (IsScalarProperty(rangeTriple.TripleObject as RDFUriReference))
{
AddScalarProperty(domainTriple, rangeTriple, dataModelModule);
}
else
{
AddNavigationProperty(domainTriple, rangeTriple, dataModelModule);
}
}
}
/// <summary>
/// Validates the property triples.
/// </summary>
private void ValidatePropertyTriples()
{
//Validation 3. In ‘Strict’ mode, the importer MUST raise errors if there is a property
//defined in the graph, but the count of rdf:domain and rdf:range triples for
//this property present in the graph is not exactly one.
foreach (Triple triple in PropertyTriples.ToList())
{
List <Triple> propDomains = DomainTriples.Where(tuple =>
tuple.TripleSubject == triple.TripleSubject).ToList();
List <Triple> propRanges = RangeTriples.Where(tuple =>
tuple.TripleSubject == triple.TripleSubject).ToList();
if (Context.ExecutionMode == ExecutionMode.Strict)
{
if (propDomains.Count() > 1)
{
throw new RdfsException(string.Format(CultureInfo.InvariantCulture,
DataModellingResources.MsgTypeInterpreterMoreDomains,
triple.ToString()));
}
if (propRanges.Count() > 1)
{
throw new RdfsException(string.Format(CultureInfo.InvariantCulture,
DataModellingResources.MsgTypeInterpreterMoreRanges,
triple.ToString()));
}
if (propDomains.Count() == 0)
{
throw new RdfsException(string.Format(CultureInfo.InvariantCulture,
DataModellingResources.MsgTypeInterpreterNoDomains,
triple.ToString()));
}
if (propRanges.Count() == 0)
{
throw new RdfsException(string.Format(CultureInfo.InvariantCulture,
DataModellingResources.MsgTypeInterpreterNoRanges,
triple.ToString()));
}
}
else
{
//In ‘Loose’ mode, if the rdf:domain triple for the property is not present,
//the importer removes the rdf:type triple along with all the rdf:range
//triples in the graph.
if (propDomains.Count() != 1 || propRanges.Count() != 1)
{
Context.Graph.Remove(triple);
foreach (Triple domainTriple in propDomains)
{
Context.Graph.Remove(domainTriple);
}
foreach (Triple rangeTriple in propRanges)
{
Context.Graph.Remove(rangeTriple);
}
}
}
}
}