private void setSubject(RDFTerm subject)
{
if ((subject) == null)
{
throw new ArgumentNullException("subject");
}
if (!(subject.getKind() == RDFTerm.IRI ||
subject.getKind() == RDFTerm.BLANK))
{
throw new ArgumentException("doesn't satisfy subject.kind==RDFTerm.IRI || subject.kind==RDFTerm.BLANK");
}
this.subject = subject;
}
private void setPredicate(RDFTerm predicate)
{
if ((predicate) == null)
{
throw new ArgumentNullException("predicate");
}
if (!(predicate.getKind() == RDFTerm.IRI))
{
throw new ArgumentException("doesn't satisfy predicate.kind==RDFTerm.IRI");
}
this.predicate = predicate;
}
/*
* Replaces certain blank nodes with blank nodes whose
* names meet the N-Triples requirements
* @param triples A set of RDF triples
* @param bnodeLabels A mapping of blank node names
* already allocated. This method will modify this
* _object as needed to allocate new blank nodes.
*/
//
internal static void replaceBlankNodes(ISet <RDFTriple> triples,
IDictionary <string, RDFTerm> bnodeLabels)
{
if (bnodeLabels.Count == 0)
{
return;
}
IDictionary <string, RDFTerm> newBlankNodes = new PeterO.Support.LenientDictionary <string, RDFTerm>();
IList <RDFTriple[]> changedTriples = new List <RDFTriple[]>();
int[] nodeindex = new int[] { 0 };
foreach (var triple in triples)
{
bool changed = false;
RDFTerm subj = triple.getSubject();
if (subj.getKind() == RDFTerm.BLANK)
{
string oldname = subj.getValue();
string newname = suggestBlankNodeName(oldname, nodeindex, bnodeLabels);
if (!newname.Equals(oldname))
{
RDFTerm newNode = newBlankNodes[oldname];
if (newNode == null)
{
newNode = RDFTerm.fromBlankNode(newname);
bnodeLabels.Add(newname, newNode);
newBlankNodes.Add(oldname, newNode);
}
subj = newNode;
changed = true;
}
}
RDFTerm obj = triple.getObject();
if (obj.getKind() == RDFTerm.BLANK)
{
string oldname = obj.getValue();
string newname = suggestBlankNodeName(oldname, nodeindex, bnodeLabels);
if (!newname.Equals(oldname))
{
RDFTerm newNode = newBlankNodes[oldname];
if (newNode == null)
{
newNode = RDFTerm.fromBlankNode(newname);
bnodeLabels.Add(newname, newNode);
newBlankNodes.Add(oldname, newNode);
}
obj = newNode;
changed = true;
}
}
if (changed)
{
RDFTriple[] newTriple = new RDFTriple[] { triple,
new RDFTriple(subj, triple.getPredicate(), obj) };
changedTriples.Add(newTriple);
}
}
foreach (var triple in changedTriples)
{
triples.Remove(triple[0]);
triples.Add(triple[1]);
}
}
private void setSubject(RDFTerm subject)
{
if((subject)==null)throw new ArgumentNullException("subject");
if(!(subject.getKind()==RDFTerm.IRI ||
subject.getKind()==RDFTerm.BLANK))throw new ArgumentException("doesn't satisfy subject.kind==RDFTerm.IRI || subject.kind==RDFTerm.BLANK");
this.subject = subject;
}
private void setPredicate(RDFTerm predicate)
{
if((predicate)==null)throw new ArgumentNullException("predicate");
if(!(predicate.getKind()==RDFTerm.IRI))throw new ArgumentException("doesn't satisfy predicate.kind==RDFTerm.IRI");
this.predicate = predicate;
}
