NAME

Data::Model::Driver::Queue::Q4M - Q4M manager for Data::Model

SYNOPSIS

  use Data::Model::Driver::Queue::Q4M;
  my $driver = Data::Model::Driver::Queue::Q4M->new(
      dsn      => 'dbi:mysql:database=test',
      username => '',
      password => '',
      timeout  => 60, # queue_wait timeout
  );

  {
    package MyQueue;
    use base 'Data::Model';
    use Data::Model::Mixin modules => ['Queue::Q4M'];
    use Data::Model::Schema;

    base_driver $driver;
    install_model smtp => schema {
        column id
            => char => {};
        column data
            => int => {};
    };

    install_model pop => schema {
        column id
            => char => {};
        column data
            => int => {};
    };
  }

  my $model = MyQueue->new;

  # add queue
  $model->set(
      smtp => {
          id   => 'foo',
          data => 1,
      }
  );

  # same queue_wait('smtp', 'pop', 10);
  my $retval = $model->queue_running(
      smtp => sub {
          my $row = shift;
          is($row->id, 'foo');
          is($row->data, 1);
      },
      pop => sub {
          my $row = shift;
      },
      timeout => 10, # optional
  );

  # same queue_wait('smtp:data>10');
  my $retval = $model->queue_running(
      'smtp:data>10' => sub {
          my $row = shift;
          is($row->id, 'foo');
          is($row->data, 1);
      },
  );
  ok($retval);


  # explicit abort
  my $retval = $model->queue_running(
      'smtp:data>10' => sub {
          my $row = shift;
          is($row->id, 'foo');
          is($row->data, 1);
          $model->queue_abort; # queue is aborted
      },
  );
  ok(!$retval);

DESCRIPTION

Since Q4M works on MySQL, it has inherited Data::Model::Driver::DBI inevitably.

AUTHOR

Kazuhiro Osawa <yappo <at> shibuya <doet> pl>

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

POD ERRORS

Hey! The above document had some coding errors, which are explained below: