How to use

getSignature

method

in

it.unibz.inf.ontop.answering.resultset.TupleResultSet

@Override
public List<String> getSignature() throws OWLException {
  try {
    return res.getSignature();
  } catch (Exception e) {
    throw new OntopOWLException(e);
  }
}

@Override
public TupleQueryResult evaluate() throws QueryEvaluationException {
  TupleResultSet res;
  OntopStatement stm;
  long start = System.currentTimeMillis();
  try {
    stm = conn.createStatement();
    if(this.queryTimeout > 0)
      stm.setQueryTimeout(this.queryTimeout);
    try {
      SelectQuery inputQuery = factory.createSelectQuery(getQueryString(), getParsedQuery());
      res = stm.execute(inputQuery);
    } catch (OntopQueryAnsweringException e) {
      long end = System.currentTimeMillis();
      if (this.queryTimeout > 0 && (end - start) >= this.queryTimeout * 1000){
        throw new QueryEvaluationException("OntopTupleQuery timed out. More than " + this.queryTimeout + " seconds passed", e);
      } else 
        throw e;
    }
    
    List<String> signature = res.getSignature();
    return new OntopTupleQueryResult(res, signature);
  } catch (QueryEvaluationException e) {
    throw e;
  }
  catch (Exception e) {
    throw new QueryEvaluationException(e);
  }
}

@Override
public TupleQueryResult evaluate() throws QueryEvaluationException {
  TupleResultSet res;
  OntopStatement stm;
  long start = System.currentTimeMillis();
  try {
    stm = conn.createStatement();
    if(this.queryTimeout > 0)
      stm.setQueryTimeout(this.queryTimeout);
    try {
      SelectQuery inputQuery = factory.createSelectQuery(getQueryString(), getParsedQuery());
      res = stm.execute(inputQuery);
    } catch (OntopQueryAnsweringException e) {
      long end = System.currentTimeMillis();
      if (this.queryTimeout > 0 && (end - start) >= this.queryTimeout * 1000){
        throw new QueryEvaluationException("OntopTupleQuery timed out. More than " + this.queryTimeout + " seconds passed", e);
      } else 
        throw e;
    }
    
    List<String> signature = res.getSignature();
    return new OntopTupleQueryResult(res, signature);
  } catch (QueryEvaluationException e) {
    throw e;
  }
  catch (Exception e) {
    throw new QueryEvaluationException(e);
  }
}