if (arg1 instanceof Variable) {
subject = new UriRefOrVariable((Variable) arg1);
} else if (arg1 instanceof UriRef) {
subject = new UriRefOrVariable((UriRef) arg1);
} else {
throw new RuleAtomCallExeption(getClass());
}
if (dt instanceof Variable) {
predicate = new UriRefOrVariable((Variable) dt);
} else if (dt instanceof UriRef) {
predicate = new UriRefOrVariable((UriRef) dt);
} else {
throw new RuleAtomCallExeption(getClass());
}
if (arg2 instanceof Variable) {
object = new ResourceOrVariable((Variable) arg2);
} else if (arg2 instanceof LiteralExpression) {
object = new ResourceOrVariable(((LiteralExpression) arg2).getLiteral());
} else {
throw new RuleAtomCallExeption(getClass());
}
return (T) new ClerezzaSparqlObject(new SimpleTriplePattern(subject, predicate, object));
}