* can not be used for formats other than {@link Lang#NTRIPLES} because it
* hard codes this format for loading data form the parsed InputStream.
* @return the destination!
*/
private Destination<Triple> createDestination() {
LoadMonitor monitor = new LoadMonitor(indexingDataset,
log, "triples",50000,100000);
final LoaderNodeTupleTable loaderTriples = new LoaderNodeTupleTable(
indexingDataset.getTripleTable().getNodeTupleTable(), "triples", monitor) ;
Destination<Triple> sink = new Destination<Triple>() {