As for me, it is too confusing. On Sun, Jul 25, 2010 at 12:15 AM, Sebastian Trüg <[email protected]> wrote:
> Hi guys, > > at the Akademy a very good idea came up: using C++ operator overloads to > construct queries. This is very straight-forward for AndTerm and OrTerm: > > term1 && term2 && term3 > > term1 || term2 || term3 > > But it gets nicer (thanks to Vishesh for the tip): > > Vocabulary::NIE::contentCreated() > Query::LiteralTerm( dateTime1 ); > Vocabulary::NAO::hasTag() == term; > > which results in the following ComparisonTerms: > > ComparisonTerm( > Vocabulary::NIE::contentCreated(), > Query::LiteralTerm( dateTime1 ), > ComparisonTerm::Greater ); > > ComparisonTerm( > Vocabulary::NAO::hasTag(), > term, > ComparisonTerm::Equal ); > > So far so good. But now let me give you the idea which I would like some > feedback on. By interchanging the two parameters of the operator we > create an inverted ComparisonTerm: > > term == Vocabulary::NAO::hasTag(); > > will create the following term: > > ComparisonTerm( > Vocabulary::NAO::hasTag(), > term, > ComparisonTerm::Equal ).inverted(); > > For me this is very convenient. But it might be rather confusing. But > then again inverted terms are confusing to begin with. > > So any opinions? > > Cheers, > Sebastian > _______________________________________________ > Nepomuk mailing list > [email protected] > https://mail.kde.org/mailman/listinfo/nepomuk > -- Sincerely yours, Artem
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