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#!/usr/bin/perl |
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package KiokuDB::Serializer; |
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use Moose::Role; |
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use Carp qw(croak); |
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use Moose::Util::TypeConstraints; |
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use namespace::clean -except => 'meta'; |
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with qw(KiokuDB::Backend::Serialize); |
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requires "serialize_to_stream"; |
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requires "deserialize_from_stream"; |
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my %types = ( |
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storable => "KiokuDB::Serializer::Storable", |
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json => "KiokuDB::Serializer::JSON", |
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yaml => "KiokuDB::Serializer::YAML", |
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); |
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coerce( __PACKAGE__, |
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from Str => via { |
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my $class = $types{lc($_)} or croak "unknown format: $_";; |
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Class::MOP::load_class($class); |
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$class->new; |
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}, |
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from HashRef => via { |
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my %args = %$_; |
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my $class = $types{lc(delete $args{format})} or croak "unknown format: $args{format}"; |
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Class::MOP::load_class($class); |
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$class->new(%args); |
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}, |
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); |
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__PACKAGE__ |
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__END__ |
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=pod |
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=head1 NAME |
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KiokuDB::Serializer - Standalone serializer object |
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=head1 SYNOPSIS |
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Backend->new( |
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serializer => KiokuDB::Serializer::Storable->new( ... ), |
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); |
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=head1 DESCRIPTION |
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This role is for objects which perform the serialization roles (e.g. |
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L<KiokuDB::Backend::Serialize::Storable>) but can be used independently. |
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This is used by L<KiokuDB::Backend::Serialize::Delegate> and |
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L<KiokuDB::Cmd::DumpFormatter>. |