How to use

getLength

method

in

org.apache.stanbol.rules.manager.atoms.SubstringAtom

@SuppressWarnings("unchecked")
@Override
public <T> T adapt(RuleAtom ruleAtom) throws RuleAtomCallExeption,
                   UnavailableRuleObjectException,
                   UnsupportedTypeForExportException {
  org.apache.stanbol.rules.manager.atoms.SubstringAtom tmp = (org.apache.stanbol.rules.manager.atoms.SubstringAtom) ruleAtom;
  StringFunctionAtom argument = tmp.getStringFunctionAtom();
  NumericFunctionAtom start = tmp.getStart();
  NumericFunctionAtom length = tmp.getLength();
  ClerezzaSparqlObject clerezzaArgument = (ClerezzaSparqlObject) adapter.adaptTo(argument,
    ConstructQuery.class);
  ClerezzaSparqlObject clerezzaStart = (ClerezzaSparqlObject) adapter.adaptTo(start,
    ConstructQuery.class);
  ClerezzaSparqlObject clerezzaLength = (ClerezzaSparqlObject) adapter.adaptTo(length,
    ConstructQuery.class);
  List<Expression> argumentExpressions = new ArrayList<Expression>();
  argumentExpressions.add((Expression) clerezzaArgument.getClerezzaObject());
  argumentExpressions.add((Expression) clerezzaStart.getClerezzaObject());
  argumentExpressions.add((Expression) clerezzaLength.getClerezzaObject());
  FunctionCall functionCall = new FunctionCall(new IRI(
      "<http://www.w3.org/2005/xpath-functions#substring>"), argumentExpressions);
  return (T) new ClerezzaSparqlObject(functionCall);
}

NumericFunctionAtom length = tmp.getLength();

NumericFunctionAtom lengthAtom = tmp.getLength();