Updated main docs, altered mail address in POD for 0.01

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / DB.pm

diff --git a/lib/DBIx/Class/DB.pm b/lib/DBIx/Class/DB.pm
index 2134154..905b908 100644 (file)
--- a/lib/DBIx/Class/DB.pm
+++ b/lib/DBIx/Class/DB.pm
@@ -1,21 +1,32 @@
 package DBIx::Class::DB;
 
 use base qw/Class::Data::Inheritable/;
+use DBIx::Class::Storage::DBI;
+use DBIx::Class::ClassResolver::PassThrough;
 use DBI;
 
-__PACKAGE__->mk_classdata('_dbi_connect_info');
-__PACKAGE__->mk_classdata('_dbi_connect_package');
-__PACKAGE__->mk_classdata('_dbh');
-
 =head1 NAME 
 
-DBIx::Class::DB - DBIx::Class Database connection
+DBIx::Class::DB - Simple DBIx::Class Database connection by class inheritance
 
 =head1 SYNOPSIS
 
+  package MyDB;
+
+  use base qw/DBIx::Class/;
+  __PACKAGE__->load_components('Core');
+
+  __PACKAGE__->connection('dbi:...', 'user', 'pass', \%attrs);
+
+  package MyDB::MyTable;
+
+  use base qw/MyDB/;
+
+  ...
+
 =head1 DESCRIPTION
 
-This class represents the connection to the database
+This class provides a simple way of specifying a database connection.
 
 =head1 METHODS
 
@@ -23,36 +34,47 @@ This class represents the connection to the database
 
 =cut
 
-sub _get_dbh {
-  my ($class) = @_;
-  my $dbh;
-  unless (($dbh = $class->_dbh) && $dbh->FETCH('Active') && $dbh->ping) {
-    $class->_populate_dbh;
-  }
-  return $class->_dbh;
-}
+__PACKAGE__->mk_classdata('storage');
+__PACKAGE__->mk_classdata('class_resolver' =>
+                            'DBIx::Class::ClassResolver::PassThrough');
 
-sub _populate_dbh {
-  my ($class) = @_;
-  my @info = @{$class->_dbi_connect_info || []};
-  my $pkg = $class->_dbi_connect_package || $class;
-  $pkg->_dbh($class->_dbi_connect(@info));
-}
+=item connection
 
-sub _dbi_connect {
-  my ($class, @info) = @_;
-  return DBI->connect(@info);
-}
+  __PACKAGE__->connection($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);
 }
 
-sub dbi_commit { $_[0]->_get_dbh->commit; }
+=item dbi_commit
+
+  $class->dbi_commit;
+
+Issues a commit again the current dbh
+
+=cut
+
+sub dbi_commit { $_[0]->storage->commit; }
+
+=item dbi_rollback
+
+  $class->dbi_rollback;
+
+Issues a rollback again the current dbh
+
+=cut
+
+sub dbi_rollback { $_[0]->storage->rollback; }
 
-sub dbi_rollback { $_[0]->_get_dbh->rollback; }
+sub resolve_class { return shift->class_resolver->class(@_); }
 
 1;
 
@@ -60,7 +82,7 @@ sub dbi_rollback { $_[0]->_get_dbh->rollback; }
 
 =head1 AUTHORS
 
-Matt S. Trout <perl-stuff@trout.me.uk>
+Matt S. Trout <mst@shadowcatsystems.co.uk>
 
 =head1 LICENSE