public override org.openrdf.query.TupleQuery prepareTupleQuery(org.openrdf.query.QueryLanguage ql, string str)
{
if (!this.SupportsQueryLanguage(ql))
{
throw UnsupportedQueryLanguage(ql);
}
return(new InMemoryTupleQuery(str, this._store));
}
public override org.openrdf.query.TupleQuery prepareTupleQuery(org.openrdf.query.QueryLanguage ql, string str)
{
if (!this.SupportsQueryLanguage(ql))
{
throw UnsupportedQueryLanguage(ql);
}
if (this._manager is IQueryableGenericIOManager)
{
return(new GenericTupleQuery(str, (IQueryableGenericIOManager)this._manager));
}
else
{
throw new dotSesameRepo.RepositoryException("This dotNetRDF Generic Repository does not support SPARQL Queries");
}
}
public override org.openrdf.query.Query prepareQuery(org.openrdf.query.QueryLanguage ql, string str)
{
if (!this.SupportsQueryLanguage(ql))
{
throw UnsupportedQueryLanguage(ql);
}
if (!(this._manager is IQueryableGenericIOManager))
{
throw new dotSesameRepo.RepositoryException("This dotNetRDF Generic Repository does not support SPARQL Queries");
}
try
{
SparqlQueryParser parser = new SparqlQueryParser();
SparqlQuery q = parser.ParseFromString(str);
switch (q.QueryType)
{
case SparqlQueryType.Ask:
return(new GenericBooleanQuery(str, (IQueryableGenericIOManager)this._manager));
case SparqlQueryType.Construct:
case SparqlQueryType.Describe:
case SparqlQueryType.DescribeAll:
return(new GenericGraphQuery(str, (IQueryableGenericIOManager)this._manager));
case SparqlQueryType.Select:
case SparqlQueryType.SelectAll:
case SparqlQueryType.SelectAllDistinct:
case SparqlQueryType.SelectAllReduced:
case SparqlQueryType.SelectDistinct:
case SparqlQueryType.SelectReduced:
return(new GenericTupleQuery(str, (IQueryableGenericIOManager)this._manager));
case SparqlQueryType.Unknown:
default:
throw new dotSesameQuery.MalformedQueryException("Unable to parse the given Query into a valid SPARQL Query as the Query Type is unknown");
}
}
catch (RdfParseException parseEx)
{
throw new dotSesameQuery.MalformedQueryException("Unable to parse the given Query into a valid SPARQL Query due to the following error: " + parseEx.Message);
}
}