LiteralImpl l = (LiteralImpl) f.getFullTextSearchExpression();
tokens.add(l.getLiteralValue().getValue(Type.STRING));
}
}
if (c instanceof AndImpl) {
AndImpl a = (AndImpl) c;
tokens.addAll(extractFulltext(a.getConstraint1()));
tokens.addAll(extractFulltext(a.getConstraint2()));
}
if (c instanceof OrImpl) {
OrImpl o = (OrImpl) c;
tokens.addAll(extractFulltext(o.getConstraint1()));
tokens.addAll(extractFulltext(o.getConstraint2()));