use strict;
use warnings;
+use base 'DBIx::Class';
+
use DBIx::Class::Carp;
use Try::Tiny;
use Scalar::Util qw/weaken blessed/;
-use Sub::Name 'subname';
-use B 'svref_2object';
+use DBIx::Class::_Util qw(refcount quote_sub);
use Devel::GlobalDestruction;
use namespace::clean;
-use base qw/DBIx::Class/;
-
__PACKAGE__->mk_classdata('class_mappings' => {});
__PACKAGE__->mk_classdata('source_registrations' => {});
__PACKAGE__->mk_classdata('storage_type' => '::DBI');
=back
+ package MyApp::Schema;
__PACKAGE__->load_namespaces();
__PACKAGE__->load_namespaces(
result_namespace => 'Res',
resultset_namespace => 'RSet',
- default_resultset_class => '+MyDB::Othernamespace::RSet',
+ default_resultset_class => '+MyApp::Othernamespace::RSet',
);
With no arguments, this method uses L<Module::Find> to load all of the
load_namespaces found ResultSet class $classname with no corresponding Result class
-If a Result class is found to already have a ResultSet class set using
-L</resultset_class> to some other class, you will be warned like this:
+If a ResultSource instance is found to already have a ResultSet class set
+using L<resultset_class|DBIx::Class::ResultSource/resultset_class> to some
+other class, you will be warned like this:
- We found ResultSet class '$rs_class' for '$result', but it seems
- that you had already set '$result' to use '$rs_set' instead
+ We found ResultSet class '$rs_class' for '$result_class', but it seems
+ that you had already set '$result_class' to use '$rs_set' instead
=head3 Examples
# be stripped.
sub _expand_relative_name {
my ($class, $name) = @_;
- return if !$name;
- $name = $class . '::' . $name if ! ($name =~ s/^\+//);
+ $name =~ s/^\+// or $name = "${class}::${name}";
return $name;
}
# namespace of $class. Untaints all findings as they can be assumed
# to be safe
sub _findallmod {
- my $proto = shift;
- my $ns = shift || ref $proto || $proto;
-
require Module::Find;
-
- # untaint result
- return map { $_ =~ /(.+)/ } Module::Find::findallmod($ns);
+ return map
+ { $_ =~ /(.+)/ } # untaint result
+ Module::Find::findallmod( $_[1] || ref $_[0] || $_[0] )
+ ;
}
# returns a hash of $shortname => $fullname for every package
# found in the given namespaces ($shortname is with the $fullname's
# namespace stripped off)
sub _map_namespaces {
- my ($class, @namespaces) = @_;
-
- my @results_hash;
- foreach my $namespace (@namespaces) {
- push(
- @results_hash,
- map { (substr($_, length "${namespace}::"), $_) }
- $class->_findallmod($namespace)
- );
+ my ($me, $namespaces) = @_;
+
+ my %res;
+ for my $ns (@$namespaces) {
+ $res{ substr($_, length "${ns}::") } = $_
+ for $me->_findallmod($ns);
}
- @results_hash;
+ \%res;
}
# returns the result_source_instance for the passed class/object,
my $result_namespace = delete $args{result_namespace} || 'Result';
my $resultset_namespace = delete $args{resultset_namespace} || 'ResultSet';
+
my $default_resultset_class = delete $args{default_resultset_class};
+ $default_resultset_class = $class->_expand_relative_name($default_resultset_class)
+ if $default_resultset_class;
+
$class->throw_exception('load_namespaces: unknown option(s): '
. join(q{,}, map { qq{'$_'} } keys %args))
if scalar keys %args;
- $default_resultset_class
- = $class->_expand_relative_name($default_resultset_class);
-
for my $arg ($result_namespace, $resultset_namespace) {
- $arg = [ $arg ] if !ref($arg) && $arg;
+ $arg = [ $arg ] if ( $arg and ! ref $arg );
$class->throw_exception('load_namespaces: namespace arguments must be '
. 'a simple string or an arrayref')
$_ = $class->_expand_relative_name($_) for (@$arg);
}
- my %results = $class->_map_namespaces(@$result_namespace);
- my %resultsets = $class->_map_namespaces(@$resultset_namespace);
+ my $results_by_source_name = $class->_map_namespaces($result_namespace);
+ my $resultsets_by_source_name = $class->_map_namespaces($resultset_namespace);
my @to_register;
{
use warnings qw/redefine/;
# ensure classes are loaded and attached in inheritance order
- for my $res (values %results) {
- $class->ensure_class_loaded($res);
+ for my $result_class (values %$results_by_source_name) {
+ $class->ensure_class_loaded($result_class);
}
my %inh_idx;
- my @subclass_last = sort {
+ my @source_names_by_subclass_last = sort {
($inh_idx{$a} ||=
- scalar @{mro::get_linear_isa( $results{$a} )}
+ scalar @{mro::get_linear_isa( $results_by_source_name->{$a} )}
)
<=>
($inh_idx{$b} ||=
- scalar @{mro::get_linear_isa( $results{$b} )}
+ scalar @{mro::get_linear_isa( $results_by_source_name->{$b} )}
)
- } keys(%results);
+ } keys(%$results_by_source_name);
- foreach my $result (@subclass_last) {
- my $result_class = $results{$result};
+ foreach my $source_name (@source_names_by_subclass_last) {
+ my $result_class = $results_by_source_name->{$source_name};
- my $rs_class = delete $resultsets{$result};
- my $rs_set = $class->_ns_get_rsrc_instance ($result_class)->resultset_class;
+ my $preset_resultset_class = $class->_ns_get_rsrc_instance ($result_class)->resultset_class;
+ my $found_resultset_class = delete $resultsets_by_source_name->{$source_name};
- if($rs_set && $rs_set ne 'DBIx::Class::ResultSet') {
- if($rs_class && $rs_class ne $rs_set) {
- carp "We found ResultSet class '$rs_class' for '$result', but it seems "
- . "that you had already set '$result' to use '$rs_set' instead";
+ if($preset_resultset_class && $preset_resultset_class ne 'DBIx::Class::ResultSet') {
+ if($found_resultset_class && $found_resultset_class ne $preset_resultset_class) {
+ carp "We found ResultSet class '$found_resultset_class' matching '$results_by_source_name->{$source_name}', but it seems "
+ . "that you had already set the '$results_by_source_name->{$source_name}' resultet to '$preset_resultset_class' instead";
}
}
- elsif($rs_class ||= $default_resultset_class) {
- $class->ensure_class_loaded($rs_class);
- if(!$rs_class->isa("DBIx::Class::ResultSet")) {
- carp "load_namespaces found ResultSet class $rs_class that does not subclass DBIx::Class::ResultSet";
+ # elsif - there may be *no* default_resultset_class, in which case we fallback to
+ # DBIx::Class::Resultset and there is nothing to check
+ elsif($found_resultset_class ||= $default_resultset_class) {
+ $class->ensure_class_loaded($found_resultset_class);
+ if(!$found_resultset_class->isa("DBIx::Class::ResultSet")) {
+ carp "load_namespaces found ResultSet class '$found_resultset_class' that does not subclass DBIx::Class::ResultSet";
}
- $class->_ns_get_rsrc_instance ($result_class)->resultset_class($rs_class);
+ $class->_ns_get_rsrc_instance ($result_class)->resultset_class($found_resultset_class);
}
- my $source_name = $class->_ns_get_rsrc_instance ($result_class)->source_name || $result;
+ my $source_name = $class->_ns_get_rsrc_instance ($result_class)->source_name || $source_name;
push(@to_register, [ $source_name, $result_class ]);
}
}
- foreach (sort keys %resultsets) {
- carp "load_namespaces found ResultSet class $_ with no "
- . 'corresponding Result class';
+ foreach (sort keys %$resultsets_by_source_name) {
+ carp "load_namespaces found ResultSet class '$resultsets_by_source_name->{$_}' "
+ .'with no corresponding Result class';
}
Class::C3->reinitialize if DBIx::Class::_ENV_::OLD_MRO;
}
} else {
my @comp = map { substr $_, length "${class}::" }
- $class->_findallmod;
+ $class->_findallmod($class);
$comps_for{$class} = \@comp;
}
=cut
-sub sources { return keys %{shift->source_registrations}; }
+sub sources { keys %{shift->source_registrations} }
=head2 source
my ($self, @info) = @_;
return $self if !@info && $self->storage;
- my ($storage_class, $args) = ref $self->storage_type ?
- ($self->_normalize_storage_type($self->storage_type),{}) : ($self->storage_type, {});
+ my ($storage_class, $args) = ref $self->storage_type
+ ? $self->_normalize_storage_type($self->storage_type)
+ : $self->storage_type
+ ;
+
+ $storage_class =~ s/^::/DBIx::Class::Storage::/;
- $storage_class = 'DBIx::Class::Storage'.$storage_class
- if $storage_class =~ m/^::/;
try {
$self->ensure_class_loaded ($storage_class);
}
"Unable to load storage class ${storage_class}: $_"
);
};
- my $storage = $storage_class->new($self=>$args);
+
+ my $storage = $storage_class->new( $self => $args||{} );
$storage->connect_info(\@info);
$self->storage($storage);
return $self;
=item Arguments: $target_namespace, $additional_base_class?
-=item Retur Value: $new_schema
+=item Return Value: $new_schema
=back
local *Class::C3::reinitialize = sub { } if DBIx::Class::_ENV_::OLD_MRO;
use warnings qw/redefine/;
- no strict qw/refs/;
foreach my $source_name ($self->sources) {
my $orig_source = $self->source($source_name);
}
}
- foreach my $meth (qw/class source resultset/) {
- no warnings 'redefine';
- *{"${target}::${meth}"} = subname "${target}::${meth}" =>
- sub { shift->schema->$meth(@_) };
- }
+ quote_sub "${target}::${_}" => "shift->schema->$_(\@_)"
+ for qw(class source resultset);
}
Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO;
Clones the schema and its associated result_source objects and returns the
copy. The resulting copy will have the same attributes as the source schema,
-except for those attributes explicitly overriden by the provided C<%attrs>.
+except for those attributes explicitly overridden by the provided C<%attrs>.
=cut
A convenient shortcut to
C<< $self->storage->deployment_statements($self, @args) >>.
-Returns the SQL statements used by L</deploy> and
-L<DBIx::Class::Schema::Storage/deploy>.
+Returns the statements used by L</deploy> and
+L<DBIx::Class::Storage/deploy>.
=cut
sub thaw {
my ($self, $obj) = @_;
local $DBIx::Class::ResultSourceHandle::thaw_schema = $self;
- require Storable;
return Storable::thaw($obj);
}
=head2 freeze
-This doesn't actually do anything more than call L<Storable/nfreeze>, it is just
-provided here for symmetry.
+This doesn't actually do anything beyond calling L<nfreeze|Storable/SYNOPSIS>,
+it is just provided here for symmetry.
=cut
sub freeze {
- require Storable;
return Storable::nfreeze($_[1]);
}
sub dclone {
my ($self, $obj) = @_;
local $DBIx::Class::ResultSourceHandle::thaw_schema = $self;
- require Storable;
return Storable::dclone($obj);
}
my $global_phase_destroy;
sub DESTROY {
+ ### NO detect_reinvoked_destructor check
+ ### This code very much relies on being called multuple times
+
return if $global_phase_destroy ||= in_global_destruction;
my $self = shift;
# which will serve as a signal to not try doing anything else
# however beware - on older perls the exception seems randomly untrappable
# due to some weird race condition during thread joining :(((
- if (ref $srcs->{$source_name} and svref_2object($srcs->{$source_name})->REFCNT > 1) {
+ if (length ref $srcs->{$source_name} and refcount($srcs->{$source_name}) > 1) {
local $@;
eval {
$srcs->{$source_name}->schema($self);
carp_once "compose_connection deprecated as of 0.08000"
unless $INC{"DBIx/Class/CDBICompat.pm"};
- my $base = 'DBIx::Class::ResultSetProxy';
try {
- eval "require ${base};"
+ require DBIx::Class::ResultSetProxy;
}
catch {
$self->throw_exception
- ("No arguments to load_classes and couldn't load ${base} ($_)")
+ ("No arguments to load_classes and couldn't load DBIx::Class::ResultSetProxy ($_)")
};
if ($self eq $target) {
foreach my $source_name ($self->sources) {
my $source = $self->source($source_name);
my $class = $source->result_class;
- $self->inject_base($class, $base);
+ $self->inject_base($class, 'DBIx::Class::ResultSetProxy');
$class->mk_classdata(resultset_instance => $source->resultset);
$class->mk_classdata(class_resolver => $self);
}
return $self;
}
- my $schema = $self->compose_namespace($target, $base);
- {
- no strict 'refs';
- my $name = join '::', $target, 'schema';
- *$name = subname $name, sub { $schema };
- }
+ my $schema = $self->compose_namespace($target, 'DBIx::Class::ResultSetProxy');
+ quote_sub "${target}::schema", '$s', { '$s' => \$schema };
$schema->connection(@info);
foreach my $source_name ($schema->sources) {
return $schema;
}
-1;
-
-=head1 AUTHOR AND CONTRIBUTORS
+=head1 FURTHER QUESTIONS?
-See L<AUTHOR|DBIx::Class/AUTHOR> and L<CONTRIBUTORS|DBIx::Class/CONTRIBUTORS> in DBIx::Class
+Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
-=head1 LICENSE
+=head1 COPYRIGHT AND LICENSE
-You may distribute this code under the same terms as Perl itself.
+This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
+by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
+redistribute it and/or modify it under the same terms as the
+L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.
=cut
+
+1;