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Direktori : /usr/share/perl5/Memoize/ |
Current File : //usr/share/perl5/Memoize/Storable.pm |
package Memoize::Storable; =head1 NAME Memoize::Storable - store Memoized data in Storable database =head1 DESCRIPTION See L<Memoize>. =cut use Storable (); $VERSION = '1.03'; $Verbose = 0; sub TIEHASH { require Carp if $Verbose; my $package = shift; my $filename = shift; my $truehash = (-e $filename) ? Storable::retrieve($filename) : {}; my %options; print STDERR "Memoize::Storable::TIEHASH($filename, @_)\n" if $Verbose; @options{@_} = (); my $self = {FILENAME => $filename, H => $truehash, OPTIONS => \%options }; bless $self => $package; } sub STORE { require Carp if $Verbose; my $self = shift; print STDERR "Memoize::Storable::STORE(@_)\n" if $Verbose; $self->{H}{$_[0]} = $_[1]; } sub FETCH { require Carp if $Verbose; my $self = shift; print STDERR "Memoize::Storable::FETCH(@_)\n" if $Verbose; $self->{H}{$_[0]}; } sub EXISTS { require Carp if $Verbose; my $self = shift; print STDERR "Memoize::Storable::EXISTS(@_)\n" if $Verbose; exists $self->{H}{$_[0]}; } sub DESTROY { require Carp if $Verbose; my $self= shift; print STDERR "Memoize::Storable::DESTROY(@_)\n" if $Verbose; if ($self->{OPTIONS}{'nstore'}) { Storable::nstore($self->{H}, $self->{FILENAME}); } else { Storable::store($self->{H}, $self->{FILENAME}); } } sub FIRSTKEY { 'Fake hash from Memoize::Storable'; } sub NEXTKEY { undef; } 1;