private string ToSparqlInput(ObjectVariants objectVariants)
{
switch (objectVariants.Variant)
{
case ObjectVariantEnum.Iri:
case ObjectVariantEnum.IriInt:
return("<" + ((IIriNode)objectVariants).UriString + ">");
case ObjectVariantEnum.Str:
return("\"" + objectVariants.Content + "\"");
case ObjectVariantEnum.LanguagedString:
return("\"" + objectVariants.Content + "\"@" + ((OV_langstring)objectVariants).Lang);
case ObjectVariantEnum.Decimal:
case ObjectVariantEnum.Float:
case ObjectVariantEnum.Int:
case ObjectVariantEnum.DateTimeZone:
case ObjectVariantEnum.DateTime:
case ObjectVariantEnum.Date:
case ObjectVariantEnum.Time:
case ObjectVariantEnum.Typed:
case ObjectVariantEnum.OtherIntType:
case ObjectVariantEnum.Double:
return("\"" + objectVariants.Content + "\"^^<" + ((ILiteralNode)objectVariants).DataType + ">");
case ObjectVariantEnum.Undef:
return(objectVariants.ToString());
case ObjectVariantEnum.Index:
default:
throw new ArgumentOutOfRangeException();
}
}
//public void DeleteFromAll(IEnumerable<TripleOV> triples)
//{
// throw new NotImplementedException();
//}
public void Add(ObjectVariants g, ObjectVariants s, ObjectVariants p, ObjectVariants o)
{
IGraph graph;
if (named.TryGetValue(g.ToString(), out graph))
{
graph.Add(s, p, o);
}
}
public IEnumerable <QuadOVStruct> GetTriplesWithSubjectFromGraph(ObjectVariants subjectNode, ObjectVariants graph)
{
IGraph g;
if (!named.TryGetValue(graph.ToString(), out g))
{
return(Enumerable.Empty <QuadOVStruct>());
}
return(g.GetTriplesWithSubject(subjectNode).Select(t => new QuadOVStruct(null, t.Predicate, t.Object, getGraphUriByName(g))));
}
public IEnumerable <ObjectVariants> GetObject(ObjectVariants subjectNode, ObjectVariants predicateNode, ObjectVariants graph)
{
IGraph g;
if (named.TryGetValue(graph.ToString(), out g))
{
return(Enumerable.Empty <ObjectVariants>());
}
return(g.GetTriplesWithSubjectPredicate(subjectNode, predicateNode));
}
public IEnumerable <ObjectVariants> GetSubject(ObjectVariants predicateNode, ObjectVariants objectNode, ObjectVariants graph)
{
IGraph g;
if (named.TryGetValue(graph.ToString(), out g))
{
return(Enumerable.Empty <ObjectVariants>());
}
return(g.GetSubjects(predicateNode, objectNode));
}
public IEnumerable <T> GetTriplesFromGraph <T>(ObjectVariants graph, Func <ObjectVariants, ObjectVariants, ObjectVariants, T> returns)
{
IGraph g;
if (!named.TryGetValue(graph.ToString(), out g))
{
return(Enumerable.Empty <T>());
}
return(g.GetTriples(returns));
}
public void Add(ObjectVariants graph, IEnumerable <TripleOV> enumerable)
{
IGraph g;
if (!named.TryGetValue(graph.ToString(), out g))
{
return;
}
g.Add(enumerable);
}
public IEnumerable <TripleOVStruct> GetTriplesWithTextObject(ObjectVariants obj)
{
var tableRow = Table.Element(0);
return(textObjectIndex.FindText(obj.ToString())
.Select(offset =>
{
tableRow.offset = offset;
return tableRow.Get();
})
.Cast <object[]>()
.Select(rec => new TripleOVStruct(NodeGenerator.GetUri(rec[0]), NodeGenerator.GetUri(rec[1]), null)));
}
public static string GetValue(VariableNode vari, ObjectVariants value)
{
return(value.ToString());
}
public override int GetHashCode()
{
return((int)(ov.ToString() + p).GetHashModifiedBernstein());
}