public TripleStore ExecuteTripleStore(TripleStore defaultStore)
{
MemoryTripleStore results = new MemoryTripleStore();
if (HasPatterns)
{
IEnumerator solutions = defaultStore.Solve(this);
while (solutions.MoveNext())
{
QuerySolution solution = (QuerySolution)solutions.Current;
foreach (PatternTerm term in DescribeTerms)
{
if (term is Variable)
{
ResourceDescription description = defaultStore.GetDescriptionOf(solution[((Variable)term).Name], this.BoundingStrategy);
results.Add(description);
}
}
}
}
foreach (PatternTerm term in DescribeTerms)
{
if (term is UriRef)
{
ResourceDescription description = defaultStore.GetDescriptionOf((UriRef)term, this.BoundingStrategy);
results.Add(description);
}
else
{
if (!HasPatterns)
{
throw new SparqlException("DESCRIBE query has no patterns but requests description of a variable");
}
}
}
return(results);
}
