X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FDB.pm;h=fed7507d764a299b0e3b63e88a7ffa18cbd093f4;hb=8091aa9182ff763aa607dd82f4d61b99f8adab37;hp=0ef24b48adbe1cadcbdfbcac3a2d003d669afc42;hpb=8fe001e1f588a2a35923a74d262cd011466d31aa;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/DB.pm b/lib/DBIx/Class/DB.pm index 0ef24b4..fed7507 100644 --- a/lib/DBIx/Class/DB.pm +++ b/lib/DBIx/Class/DB.pm @@ -1,36 +1,106 @@ package DBIx::Class::DB; -use base qw/Class::Data::Inheritable/; - -__PACKAGE__->mk_classdata('_dbi_connect_info'); -__PACKAGE__->mk_classdata('_dbi_connect_package'); -__PACKAGE__->mk_classdata('_dbh'); - -sub _get_dbh { - my ($class) = @_; - my $dbh; - unless (($dbh = $class->_dbh) && $dbh->FETCH('Active') && $dbh->ping) { - $class->_populate_dbh; - } - return $class->_dbh; -} +use base qw/DBIx::Class/; +use DBIx::Class::Storage::DBI; +use DBIx::Class::ClassResolver::PassThrough; +use DBI; -sub _populate_dbh { - my ($class) = @_; - my @info = @{$class->_dbi_connect_info || []}; - my $pkg = $class->_dbi_connect_package || $class; - $pkg->_dbh($class->_dbi_connect(@info)); -} +*dbi_commit = \&txn_commit; +*dbi_rollback = \&txn_rollback; -sub _dbi_connect { - my ($class, @info) = @_; - return DBI->connect(@info); -} +=head1 NAME + +DBIx::Class::DB - Simple DBIx::Class Database connection by class inheritance + +=head1 SYNOPSIS + + package MyDB; + + use base qw/DBIx::Class/; + __PACKAGE__->load_components('DB'); + + __PACKAGE__->connection('dbi:...', 'user', 'pass', \%attrs); + + package MyDB::MyTable; + + use base qw/MyDB/; + __PACKAGE__->load_components('Core'); # just load this in MyDB if it will always be there + + ... + +=head1 DESCRIPTION + +This class provides a simple way of specifying a database connection. + +=head1 METHODS + +=head2 storage + +Sets or gets the storage backend. Defaults to L. + +=head2 class_resolver + +Sets or gets the class to use for resolving a class. Defaults to +L, which returns whatever you give +it. See resolve_class below. + +=cut + +__PACKAGE__->mk_classdata('storage'); +__PACKAGE__->mk_classdata('class_resolver' => + 'DBIx::Class::ClassResolver::PassThrough'); + +=head2 connection + + __PACKAGE__->connection($dsn, $user, $pass, $attrs); + +Specifies the arguments that will be passed to DBI->connect(...) to +instantiate the class dbh when required. + +=cut sub connection { my ($class, @info) = @_; - $class->_dbi_connect_package($class); - $class->_dbi_connect_info(\@info); + my $storage = DBIx::Class::Storage::DBI->new; + $storage->connect_info(\@info); + $class->storage($storage); } +=head2 txn_begin + +Begins a transaction (does nothing if AutoCommit is off). + +=cut + +sub txn_begin { $_[0]->storage->txn_begin } + +=head2 txn_commit + +Commits the current transaction. + +=cut + +sub txn_commit { $_[0]->storage->txn_commit } + +=head2 txn_rollback + +Rolls back the current transaction. + +=cut + +sub txn_rollback { $_[0]->storage->txn_rollback } + +sub resolve_class { return shift->class_resolver->class(@_); } + 1; + +=head1 AUTHORS + +Matt S. Trout + +=head1 LICENSE + +You may distribute this code under the same terms as Perl itself. + +=cut +