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package Cache::Ref::Role::Index;
BEGIN {
$Cache::Ref::Role::Index::AUTHORITY = 'cpan:NUFFIN';
}
BEGIN {
$Cache::Ref::Role::Index::VERSION = '0.04';
}
use Moose::Role;
use namespace::autoclean;
# the index handles the by key lookup for all expiry methods
# the actual entries are set up by the manager though
# an entry in the index does not mean the key is live, it only means that it is
# known
has _index => (
isa => "HashRef",
default => sub { return {} },
is => "ro",
);
sub _index_clear {
my $self = shift;
%{ $self->_index } = ();
}
sub _index_keys {
my $self = shift;
keys %{ $self->_index };
}
sub _index_get {
my ( $self, @keys ) = @_;
@{ $self->_index }{@keys};
}
sub _index_set {
my ( $self, $key, $value ) = @_;
$self->_index->{$key} = $value;
}
sub _index_size {
my $self = shift;
scalar keys %{ $self->_index };
}
sub _index_delete {
my ( $self, @keys ) = @_;
delete @{ $self->_index }{@keys};
}
# ex: set sw=4 et:
__PACKAGE__;
__END__
=pod
=encoding utf-8
=head1 NAME
Cache::Ref::Role::Index
=head1 AUTHOR
Yuval Kogman
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2010 by Yuval Kogman.
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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