How to use

wrap

method

in

eu.fbk.rdfpro.RDFProcessor

@Override
public RDFHandler wrap(final RDFHandler handler) {
  return RDFProcessors.mapReduce(this.checkedMapper, this.factReducer, true).wrap(
      RDFProcessors.mapReduce(this.uncheckedMapper, this.metaReducer, true)
          .wrap(handler));
}

final Set<String> hashes = new TreeSet<>();
final RDFHandler handler = RDFProcessors.read(true, false, null, null,
    file.getAbsolutePath()).wrap(new RDFHandler() {

@Override
public void map(final QuadModel model) throws Exception {
  final List<Statement> statements = new ArrayList<>();
  final RDFSource source = RDFSources.wrap(model);
  final RDFHandler handler = RDFHandlers.wrap(statements);
  processor.wrap(source).emit(handler, 1);
  model.addAll(statements);
}

result = RDFProcessors.inject(this.staticClosure).wrap(result);
}, true).wrap(result);

RDFProcessors.smush("http://dbpedia.org/resource/").wrap(RDFSources.wrap(stmts))
    .emit(RDFHandlers.wrap(smushedStmts), 1);

final RDFSource staticData = staticSpecs.length == 0 ? null : RDFProcessors.track(
    new Tracker(LOGGER, null, "%d static triples read (%d tr/s avg)", //
        "%d static triples read (%d tr/s, %d tr/s avg)")).wrap(
    RDFSources.read(true, preserveBNodes, base, null, staticSpecs));