KiokuDB::Serializer - Standalone serializer object


KiokuDB documentation Contained in the KiokuDB distribution.

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NAME

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KiokuDB::Serializer - Standalone serializer object

SYNOPSIS

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    Backend->new(
        serializer => KiokuDB::Serializer::Storable->new( ... ),
    );

DESCRIPTION

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This role is for objects which perform the serialization roles (e.g. KiokuDB::Backend::Serialize::Storable) but can be used independently.

This is used by KiokuDB::Backend::Serialize::Delegate and KiokuDB::Cmd::DumpFormatter.


KiokuDB documentation Contained in the KiokuDB distribution.

#!/usr/bin/perl

package KiokuDB::Serializer;
use Moose::Role;

use Carp qw(croak);

use Moose::Util::TypeConstraints;

use namespace::clean -except => 'meta';

with qw(KiokuDB::Backend::Serialize);

requires "serialize_to_stream";
requires "deserialize_from_stream";

my %types = (
    storable => "KiokuDB::Serializer::Storable",
    json     => "KiokuDB::Serializer::JSON",
    yaml     => "KiokuDB::Serializer::YAML",
);

coerce( __PACKAGE__,
    from Str => via {
        my $class = $types{lc($_)} or croak "unknown format: $_";;
        Class::MOP::load_class($class);
        $class->new;
    },
    from HashRef => via {
        my %args = %$_;
        my $class = $types{lc(delete $args{format})} or croak "unknown format: $args{format}";
        Class::MOP::load_class($class);
        $class->new(%args);
    },
);

__PACKAGE__

__END__