/// <summary>
/// Executes a query on the store which does not expect a result.
/// </summary>
/// <param name="update">SPARQL Update to be executed.</param>
/// <param name="transaction">An optional transaction.</param>
public override void ExecuteNonQuery(SparqlUpdate update, ITransaction transaction = null)
{
if (!_connector.UpdateSupported)
{
throw new Exception("This store does not support SPARQL update.");
}
string q = update.ToString();
if (_stardogTransaction?.IsActive ?? false)
{
Log?.Invoke($"**{q}");
var converter = new StardogUpdateSparqlConverter(this);
converter.ParseQuery(q);
Log?.Invoke($"UpdateGraph,{converter.Additions.Count},{converter.Removals.Count},{JsonConvert.SerializeObject(converter.Additions)},{JsonConvert.SerializeObject(converter.Removals)}");
_stardogTransaction.AddTripleCount += converter.Additions.Count;
_stardogTransaction.RemoveTripleCount += converter.Removals.Count;
_connector.UpdateGraph(converter.GraphUri, converter.Additions, converter.Removals);
}
else
{
// No transaction so just call update with the query
Log?.Invoke(q);
_connector.Update(q);
}
}
public void PersistTriples(string graphIri, HashSet <model.rdf.Triple> triplesToPersist)
{
_logger.LogTrace("Persisting triples into graph with IRI '{0}'. Triples: {1}", graphIri, triplesToPersist);
IGraph model = _rdf4jMapper.TriplesToGraph(triplesToPersist);
var tryMore = true;
model.BaseUri = new Uri(graphIri);
for (var i = 0; i < NUMBER_OF_ATTEMPTS && tryMore; i++)
{
try
{
if (_repository.HasGraph(model.BaseUri))
{
_stardogGraphConnector.UpdateGraph(model.BaseUri, model.Triples, null);
}
else
{
_stardogGraphConnector.SaveGraph(model);
}
tryMore = false;
}
catch (Exception ex)
{
_logger.LogError("Exception was thrown while adding a model to the repository.", ex);
}
}
_logger.LogTrace("Persisted {0} triples into the <{1}> graph.", triplesToPersist.Count, graphIri);
}
