NAME

Aniki::Handler - Database handler manager

SYNOPSIS

    # define custom database handler class
    pakcage MyApp::DB::Handler {
        use Mouse;
        extends qw/Aniki::Handler/;

        has '+connect_info' => (
            is => 'rw',
        );

        has servers => (
            is  => 'ro',
            isa => 'ArrayRef[Str]',
        );

        sub _choice { @_[int rand scalar @_] }

        around connect => sub {
            my $self = shift;
            my ($dsn, $user, $pass, $attr) = @{ $self->connect_info };
            $attr->{host} = _choice(@{ $self->servers });
            $self->connect_info([$dsn, $user, $pass, $attr]);
            return DBIx::Handler->new($dsn, $user, $pass, $attr, {
                on_connect_do    => $self->on_connect_do,
                on_disconnect_do => $self->on_disconnect_do,
            });
        };
    };

    # and use it
    package MyApp::DB {
        use Mouse;
        extends qw/Aniki::Handler/;

        __PACKAGE__->setup(
            handler => 'MyApp::DB::Handler',
        );
    }

    1;

DESCRIPTION

This is database handler manager.

METHODS

CLASS METHODS

new(%args) : Aniki::Handler

Create instance of Aniki::Handler.

Arguments

connect_info : ArrayRef

Auguments for DBI's connect method.

on_connect_do : CodeRef|ArrayRef[Str]|Str =item on_disconnect_do : CodeRef|ArrayRef[Str]|Str

Execute SQL or CodeRef when connected/disconnected.

INSTANCE METHODS

connect() : DBIx::Handler

Create instance of DBIx::Handler. You can override it in your custom handler class.

ACCESSORS

connect_info : ArrayRef

on_connect_do : CodeRef|ArrayRef[Str]|Str

on_disconnect_do : CodeRef|ArrayRef[Str]|Str

dbh : DBI::db

handler : DBIx::Handler

txn_manager : DBIx::TransactionManager