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=head1 NAME
Lucy::Search::NOTQuery - Invert the result set of another Query.
=head1 SYNOPSIS
my $not_bar_query = Lucy::Search::NOTQuery->new(
negated_query => $bar_query,
);
my $foo_and_not_bar_query = Lucy::Search::ANDQuery->new(
children => [ $foo_query, $not_bar_query ].
);
my $hits = $searcher->hits( query => $foo_and_not_bar_query );
...
=head1 DESCRIPTION
A NOTQuery wraps another L<Query|Lucy::Search::Query> and matches
against its inverse document set. All matching docs recieve a score of
0.0.
NOTQuery is often used in conjunction with
L<ANDQuery|Lucy::Search::ANDQuery> to provide "a AND NOT b"
semantics.
=head1 CONSTRUCTORS
=head2 new( I<[labeled params]> )
my $not_query = Lucy::Search::NOTQuery->new(
negated_query => $query,
);
=over
=item *
B<negated_query> - The Query whose result set should be inverted.
=back
=head1 METHODS
=head2 get_negated_query()
Accessor for the object's negated query.
=head2 set_negated_query(negated_query)
Setter for the object's negated query.
=head1 INHERITANCE
Lucy::Search::NOTQuery isa L<Lucy::Search::PolyQuery> isa L<Lucy::Search::Query> isa L<Lucy::Object::Obj>.
=cut
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