/usr/share/perl5/KiokuDB/Role/Scan.pm is in libkiokudb-perl 0.57-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | package KiokuDB::Role::Scan;
BEGIN {
$KiokuDB::Role::Scan::AUTHORITY = 'cpan:NUFFIN';
}
$KiokuDB::Role::Scan::VERSION = '0.57';
use MooseX::Role::Parameterized 0.10;
# ABSTRACT: A role for entry scanning.
use namespace::clean -except => 'meta';
parameter result_class => (
isa => "Str",
is => "ro",
required => 1,
);
role {
my $meta = shift;
my $result_class = $meta->result_class;
with qw(KiokuDB::Role::Verbosity);
has backend => (
does => "KiokuDB::Backend::Role::Scan",
is => "ro",
required => 1,
);
has scan_all => (
isa => "Bool",
is => "ro",
default => 1,
);
has scan_ids => (
isa => "Bool",
is => "ro",
);
has entries => (
does => "Data::Stream::Bulk",
is => "ro",
lazy_build => 1,
);
sub _build_entries {
my $self = shift;
my $backend = $self->backend;
my $set = $self->scan_all ? "all" : "root";
my $type = $self->scan_ids ? "entry_ids" : "entries";
my $method = join("_", $set, $type);
$backend->$method;
}
has [qw(block_callback entry_callback)] => (
isa => "CodeRef|Str",
is => "ro",
);
has results => (
isa => $result_class,
is => "ro",
handles => qr/.*/,
lazy_build => 1,
);
requires "process_block";
method _build_results => sub {
my $self = shift;
my $res = $result_class->new;
my $i = my $j = 0;
while ( my $next = $self->entries->next ) {
$i += @$next;
$j += @$next;
if ( $j > 13 ) { # luv primes
$j = 0;
$self->v("\rscanning... $i");
}
$self->process_block( block => $next, results => $res );
}
$self->v("\rscanned $i entries \n");
return $res;
}
};
__PACKAGE__
__END__
=pod
=encoding UTF-8
=head1 NAME
KiokuDB::Role::Scan - A role for entry scanning.
=head1 VERSION
version 0.57
=head1 SYNOPSIS
package My::Entry::Processor;
use Moose;
with 'KiokuDB::Role::Scan' => { result_class => "My::Entry::Processor::Results" };
sub process_block {
my ( $self, %args ) = @_;
$args{results}; # intermediate results
foreach my $entry ( @{ $args{block} } ) {
}
}
my $scan = My::Entry::Processor->new(
backend => $some_backend,
);
my $res = $scan->results;
$res->foo;
$scan->foo; # delegates to result
=head1 DESCRIPTION
This role is used by classes like L<KiokuDB::LinkChecker> to scan the whole
database and computing summary results.
=head1 ROLE PARAMETERS
=over 4
=item result_class
The class of the results.
Will be used when creating the results initially by calling C<new> and also
sets up an attribute with delegations.
=back
=head1 AUTHOR
Yuval Kogman <nothingmuch@woobling.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2014 by Yuval Kogman, Infinity Interactive.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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