package DBIx::Class::InflateColumn::Serializer::YAML;
{
$DBIx::Class::InflateColumn::Serializer::YAML::VERSION = '0.06';
}
=head1 NAME
DBIx::Class::InflateColumn::Serializer::YAML - YAML Inflator
=head1 SYNOPSIS
package MySchema::Table;
use base 'DBIx::Class';
__PACKAGE__->load_components('InflateColumn::Serializer', 'Core');
__PACKAGE__->add_columns(
'data_column' => {
'data_type' => 'VARCHAR',
'size' => 255,
'serializer_class' => 'YAML'
}
);
Then in your code...
my $struct = { 'I' => { 'am' => 'a struct' };
$obj->data_column($struct);
$obj->update;
And you can recover your data structure with:
my $obj = ...->find(...);
my $struct = $obj->data_column;
The data structures you assign to "data_column" will be saved in the database in YAML format.
=cut
use strict;
use warnings;
use YAML;
use Carp;
=over 4
=item get_freezer
Called by DBIx::Class::InflateColumn::Serializer to get the routine that serializes
the data passed to it. Returns a coderef.
=cut
sub get_freezer{
my ($class, $column, $info, $args) = @_;
if (defined $info->{'size'}){
my $size = $info->{'size'};
return sub {
my $s = YAML::Dump(shift);
croak "serialization too big" if (length($s) > $size);
return $s;
};
} else {
return sub {
return YAML::Dump(shift);
};
}
}
=item get_unfreezer
Called by DBIx::Class::InflateColumn::Serializer to get the routine that deserializes
the data stored in the column. Returns a coderef.
=back
=cut
sub get_unfreezer {
return sub {
return YAML::Load(shift);
};
}
1;