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PK Ø[[p¿§¨ ¨ _accessor.pmnu W+A„¶ package DBI::Util::_accessor;
use strict;
use Carp;
our $VERSION = sprintf("0.%06d", q$Revision: 9478 $ =~ /(\d+)/);
# inspired by Class::Accessor::Fast
sub new {
my($proto, $fields) = @_;
my($class) = ref $proto || $proto;
$fields ||= {};
my @dubious = grep { !m/^_/ && !$proto->can($_) } keys %$fields;
carp "$class doesn't have accessors for fields: @dubious" if @dubious;
# make a (shallow) copy of $fields.
bless {%$fields}, $class;
}
sub mk_accessors {
my($self, @fields) = @_;
$self->mk_accessors_using('make_accessor', @fields);
}
sub mk_accessors_using {
my($self, $maker, @fields) = @_;
my $class = ref $self || $self;
# So we don't have to do lots of lookups inside the loop.
$maker = $self->can($maker) unless ref $maker;
no strict 'refs';
foreach my $field (@fields) {
my $accessor = $self->$maker($field);
*{$class."\:\:$field"} = $accessor
unless defined &{$class."\:\:$field"};
}
#my $hash_ref = \%{$class."\:\:_accessors_hash};
#$hash_ref->{$_}++ for @fields;
# XXX also copy down _accessors_hash of base class(es)
# so one in this class is complete
return;
}
sub make_accessor {
my($class, $field) = @_;
return sub {
my $self = shift;
return $self->{$field} unless @_;
croak "Too many arguments to $field" if @_ > 1;
return $self->{$field} = shift;
};
}
sub make_accessor_autoviv_hashref {
my($class, $field) = @_;
return sub {
my $self = shift;
return $self->{$field} ||= {} unless @_;
croak "Too many arguments to $field" if @_ > 1;
return $self->{$field} = shift;
};
}
1;
PK Ø[[GÖã? ? CacheMemory.pmnu W+A„¶ package DBI::Util::CacheMemory;
# $Id: CacheMemory.pm 10314 2007-11-26 22:25:33Z timbo $
#
# Copyright (c) 2007, Tim Bunce, Ireland
#
# You may distribute under the terms of either the GNU General Public
# License or the Artistic License, as specified in the Perl README file.
use strict;
use warnings;
=head1 NAME
DBI::Util::CacheMemory - a very fast but very minimal subset of Cache::Memory
=head1 DESCRIPTION
Like Cache::Memory (part of the Cache distribution) but doesn't support any fancy features.
This module aims to be a very fast compatible strict sub-set for simple cases,
such as basic client-side caching for DBD::Gofer.
Like Cache::Memory, and other caches in the Cache and Cache::Cache
distributions, the data will remain in the cache until cleared, it expires,
or the process dies. The cache object simply going out of scope will I
destroy the data.
=head1 METHODS WITH CHANGES
=head2 new
All options except C are ignored.
=head2 set
Doesn't support expiry.
=head2 purge
Same as clear() - deletes everything in the namespace.
=head1 METHODS WITHOUT CHANGES
=over
=item clear
=item count
=item exists
=item remove
=back
=head1 UNSUPPORTED METHODS
If it's not listed above, it's not supported.
=cut
our $VERSION = sprintf("0.%06d", q$Revision: 10314 $ =~ /(\d+)/o);
my %cache;
sub new {
my ($class, %options ) = @_;
my $namespace = $options{namespace} ||= 'Default';
#$options{_cache} = \%cache; # can be handy for debugging/dumping
my $self = bless \%options => $class;
$cache{ $namespace } ||= {}; # init - ensure it exists
return $self;
}
sub set {
my ($self, $key, $value) = @_;
$cache{ $self->{namespace} }->{$key} = $value;
}
sub get {
my ($self, $key) = @_;
return $cache{ $self->{namespace} }->{$key};
}
sub exists {
my ($self, $key) = @_;
return exists $cache{ $self->{namespace} }->{$key};
}
sub remove {
my ($self, $key) = @_;
return delete $cache{ $self->{namespace} }->{$key};
}
sub purge {
return shift->clear;
}
sub clear {
$cache{ shift->{namespace} } = {};
}
sub count {
return scalar keys %{ $cache{ shift->{namespace} } };
}
sub size {
my $c = $cache{ shift->{namespace} };
my $size = 0;
while ( my ($k,$v) = each %$c ) {
$size += length($k) + length($v);
}
return $size;
}
1;
PK Ø[[p¿§¨ ¨ _accessor.pmnu W+A„¶ PK Ø[[GÖã? ? ä CacheMemory.pmnu W+A„¶ PK š a