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=head1 NAME
Cache::Memory::HeapElem - wrapper for Heap::Elem that stores keys
=head1 DESCRIPTION
For internal use by Cache::Memory only.
=cut
package Cache::Memory::HeapElem;
require 5.006;
use strict;
use warnings;
use Heap::Elem;
our @ISA = qw(Heap::Elem);
sub new {
my $class = shift;
my ($namespace, $key, $value) = @_;
return bless [ $value, $namespace, $key, undef ], $class;
}
sub val {
my $self = shift;
return @_ ? ($self->[0] = shift) : $self->[0];
}
sub namespace {
my $self = shift;
return $self->[1];
}
sub key {
my $self = shift;
return $self->[2];
}
sub heap {
my $self = shift;
return @_ ? ($self->[3] = shift) : $self->[3];
}
sub cmp {
my $self = shift;
my $other = shift;
return $self->[0] <=> $other->[0];
}
1;
__END__
=head1 SEE ALSO
Cache::Memory
=head1 AUTHOR
Chris Leishman <chris@leishman.org>
Based on work by DeWitt Clinton <dewitt@unto.net>
=head1 COPYRIGHT
Copyright (C) 2003-2006 Chris Leishman. All Rights Reserved.
This module is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
either expressed or implied. This program is free software; you can
redistribute or modify it under the same terms as Perl itself.
$Id: HeapElem.pm,v 1.4 2006/01/31 15:23:58 caleishm Exp $
=cut
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