1 package WebPAC::Output::Sorted;
6 use base qw/WebPAC::Common WebPAC::Output Class::Accessor/;
7 __PACKAGE__->mk_accessors(qw(
16 use Data::Dump qw/dump/;
20 WebPAC::Output::Sorted - create sorted lists
28 our $VERSION = '0.01';
32 Create sorted with from data with type C<sorted>.
38 my $output = new WebPAC::Output::Sorted({
39 path => '/path/to/sorted_dir',
52 my $log = $self->_get_logger;
54 foreach my $p (qw/path database/) {
55 $log->logdie("need $p") unless ($self->$p);
58 if ( ! -e $self->path ) {
59 mkpath $self->path || $log->logdie("can't create ", $self->path,": $!");
60 $log->info("created ", $self->path);
79 my $log = $self->_get_logger;
80 $log->logdie("need id") unless defined $id;
81 $log->logdie("need ds") unless $ds;
83 $log->debug("id: $id ds = ",dump($ds));
85 my $hash = $self->ds_to_hash( $ds, 'sorted' ) || return;
87 warn "add( $id, ",dump($ds)," ) => ", dump( $hash );
89 foreach my $f ( keys %$hash ) {
91 my $sortex = $self->{sortex}->{$f};
95 my $sortscheme = sub { $Sort::External::b <=> $Sort::External::a };
96 $sortex = Sort::External->new(
97 -mem_threshold => 2**24, # default: 2**20 (1Mb)
98 -cache_size => 100_000, # default: undef (disabled)
99 # -sortsub => $sortscheme, # default sort: standard lexical
100 # -working_dir => $tmp,
103 $log->logdie("can't create sorted list for $f: $!") unless $sortex;
105 $log->info("created sorted list for $f");
107 $self->{sortex}->{$f} = $sortex;
113 if ( ref( $hash->{$f} ) eq 'ARRAY' ) {
114 @v = @{ $hash->{$f} };
119 # we want LF in output file :-)
120 @v = map { "$_\n" } @v;
122 $self->{sortex}->{$f}->feed( @v );
140 my $log = $self->_get_logger();
142 $log->info("finish sorted lists");
144 foreach my $list ( keys %{ $self->{sortex} } ) {
146 my $path = $self->path . '/' . $list . '.txt';
147 $log->info("saving $list to $path");
150 $self->{sortex}->{$list}->finish(
152 -flags => (O_CREAT | O_WRONLY),
157 $log->info("over with sorted lists");
163 Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
165 =head1 COPYRIGHT & LICENSE
167 Copyright 2007 Dobrica Pavlinusic, All Rights Reserved.
169 This program is free software; you can redistribute it and/or modify it
170 under the same terms as Perl itself.