NAME

DBIx::DBHResolver::Strategy::List - write short description for DBIx::DBHResolver::Strategy::List

SYNOPSIS

  use DBIx::DBHResolver;
  use DBIx::DBHResolver::Strategy::List;

  our %BLOOD_TYPES = (
    UNKNOWN => 0,
    A       => 1,
    B       => 2,
    O       => 3,
    AB      => 4,
  );

  my $resolver = DBIx::DBHResolver->new;
  $resolver->config(+{
    clusters => +{
      BLOOD => +{
        node => [ qw/BLOOD_A BLOOD_B BLOOD_O BLOOD_AB_OR_UNKNOWN/ ],
        strategy => 'List',
        strategy_config => +{
          BLOOD_A => [qw/1/],
          BLOOD_B => [qw/2/],
          BLOOD_O => [qw/3/],
          BLOOD_AB_OR_UNKNOWN => [qw/0 4/]
        },
      }
    },
    connect_info => +{
      BLOOD_A             => +{ ... },
      BLOOD_B             => +{ ... },
      BLOOD_O             => +{ ... },
      BLOOD_AB_OR_UNKNOWN => +{ ... },
    },
  });

  my $strategy = 'DBIx::DBHResolver::Strategy::List';

  $strategy->connect_info( $resolver, 'BLOOD', $BLOOD_TYPE{A} ); # return BLOOD_A's connect_info
  $strategy->connect_info( $resolver, 'BLOOD', $BLOOD_TYPE{B} ); # return BLOOD_B's connect_info
  $strategy->connect_info( $resolver, 'BLOOD', $BLOOD_TYPE{O} ); # return BLOOD_O's connect_info
  $strategy->connect_info( $resolver, 'BLOOD', $BLOOD_TYPE{AB} ); # return BLOOD_AB_OR_UNKNOWN's connect_info
  $strategy->connect_info( $resolver, 'BLOOD', $BLOOD_TYPE{UNKNOWN} ); # return BLOOD_AB_OR_UNKNOWN's connect_info

DESCRIPTION

This module is list based sharding strategy.

METHODS

connect_info( $resolver, $node_or_cluster, $args )

Return connect_info hash ref.

resolve( $resolver, $node_or_cluster, $key, $args )

Return resolved node_or_cluster name.

AUTHOR

Toru Yamaguchi <zigorou@dena.jp<gt>

LICENSE

This module is licensed under the same terms as Perl itself.

SEE ALSO