/// <summary>
/// Removes the "ontologyFact -> datatypeProperty -> ontologyLiteral" relation from the data
/// </summary>
public RDFOntologyData RemoveAssertionRelation(RDFOntologyFact ontologyFact,
RDFOntologyDatatypeProperty datatypeProperty,
RDFOntologyLiteral ontologyLiteral)
{
if (ontologyFact != null && datatypeProperty != null && ontologyLiteral != null)
{
this.Relations.Assertions.RemoveEntry(new RDFOntologyTaxonomyEntry(ontologyFact, datatypeProperty, ontologyLiteral));
}
return(this);
}
/// <summary>
/// Removes the given literal from the data
/// </summary>
public RDFOntologyData RemoveLiteral(RDFOntologyLiteral ontologyLiteral)
{
if (ontologyLiteral != null)
{
if (this.Literals.ContainsKey(ontologyLiteral.PatternMemberID))
{
this.Literals.Remove(ontologyLiteral.PatternMemberID);
}
}
return(this);
}
/// <summary>
/// Adds the given literal to the data
/// </summary>
public RDFOntologyData AddLiteral(RDFOntologyLiteral ontologyLiteral)
{
if (ontologyLiteral != null)
{
if (!this.Literals.ContainsKey(ontologyLiteral.PatternMemberID))
{
this.Literals.Add(ontologyLiteral.PatternMemberID, ontologyLiteral);
}
}
return(this);
}
/// <summary>
/// Adds the "ontologyFact -> datatypeProperty -> ontologyLiteral" relation to the data
/// </summary>
public RDFOntologyData AddAssertionRelation(RDFOntologyFact ontologyFact,
RDFOntologyDatatypeProperty datatypeProperty,
RDFOntologyLiteral ontologyLiteral)
{
if (ontologyFact != null && datatypeProperty != null && ontologyLiteral != null)
{
//Enforce preliminary check on usage of BASE properties
if (!RDFOntologyChecker.CheckReservedProperty(datatypeProperty))
{
this.Relations.Assertions.AddEntry(new RDFOntologyTaxonomyEntry(ontologyFact, datatypeProperty, ontologyLiteral));
this.AddLiteral(ontologyLiteral);
}
else
{
//Raise warning event to inform the user: Assertion relation cannot be added to the data because usage of BASE reserved properties compromises the taxonomy consistency
RDFSemanticsEvents.RaiseSemanticsWarning(String.Format("Assertion relation between fact '{0}' and literal '{1}' cannot be added to the data because usage of BASE reserved properties compromises the taxonomy consistency.", ontologyFact, ontologyLiteral));
}
}
return(this);
}
/// <summary>
/// Default-ctor to build an "owl:HasValue" ontology restriction with the given name on the given property and the given required value
/// </summary>
public RDFOntologyHasValueRestriction(RDFResource restrictionName, RDFOntologyProperty onProperty, RDFOntologyLiteral requiredValue) : base(restrictionName, onProperty)
{
if (requiredValue != null)
{
this.RequiredValue = requiredValue;
}
else
{
throw new RDFSemanticsException("Cannot create RDFOntologyHasValueRestriction because given \"requiredValue\" parameter is null.");
}
}