/usr/lib/x86_64-linux-gnu/perl5/5.24/Search/Xapian/ValueCountMatchSpy.pm is in libsearch-xapian-perl 1.2.24.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | package Search::Xapian::ValueCountMatchSpy;
use 5.006;
use strict;
use warnings;
use Carp;
use Search::Xapian::MatchSpy;
require DynaLoader;
our @ISA = qw( DynaLoader Search::Xapian::MatchSpy );
# In a new thread, copy objects of this class to unblessed, undef values.
sub CLONE_SKIP { 1 }
sub new {
my $class = shift;
my $matcher;
if (scalar(@_) == 0) {
$matcher = new1();
} elsif (scalar(@_) == 1) {
$matcher = new2(@_);
} else {
Carp::carp("USAGE: $class->new(), $class->new(slot)");
exit;
}
bless $matcher, $class;
return $matcher;
}
1;
__END__
=head1 NAME
Search::Xapian::ValueCountMatchSpy - Class for counting the frequencies of values in the matching documents.
=head1 SYNOPSIS
use Search::Xapian qw(:all);
my $db = Search::Xapian::Database->new( '[DATABASE DIR]' );
my $enq = $db->enquire( '[QUERY TERM]' );
my $spy = Search::Xapian::ValueCountMatchSpy->new(0);
$enq->add_matchspy($spy);
my $mset = $enq->get_mset(0, 10, 10000);
print "Match spy registered " . $spy->get_total() . " documents\n";
my $end = $spy->values_end();
for (my $it = $spy->values_begin(); $it != $end; $it++) {
print $it->get_termname() . " - " . $it->get_termfreq();
}
=head1 DESCRIPTION
Class for counting the frequencies of values in the matching documents.
Wraps Xapian::ValueCountMatchSpy
=head1 METHODS
=over 4
=item new
Constructor. Either takes no parameters, or a single valueno parameter identifying the slot.
=item get_total
Return the total number of documents tallied.
=item values_begin
Get an iterator over the values seen in the slot.
=item values_end
End iterator corresponding to values_begin().
=item top_values_begin <maxvalues>
Get an iterator over the most frequent values seen in the slot.
=item top_values_end <maxvalues>
End iterator corresponding to top_values_begin().
=back
=head1 SEE ALSO
L<Search::Xapian>,
L<Search::Xapian::MatchSpy>
=cut
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