X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FCDBICompat%2FLiveObjectIndex.pm;h=970b2d9e066c86a0a88567b4bb345bc4d05bb22b;hb=5e0eea3522876a30453af24097507198bbbc9409;hp=fb8a77efd29370797c4eda6e4d4c6404cae7f3b3;hpb=75d079145a507a0e5ff89b2676d383f4fd1a5511;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm b/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm index fb8a77e..970b2d9 100644 --- a/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm +++ b/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm @@ -6,12 +6,27 @@ use warnings; use Scalar::Util qw/weaken/; -use base qw/Class::Data::Inheritable/; +use base 'DBIx::Class'; __PACKAGE__->mk_classdata('purge_object_index_every' => 1000); __PACKAGE__->mk_classdata('live_object_index' => { }); __PACKAGE__->mk_classdata('live_object_init_count' => { }); +# Caching is on by default, but a classic CDBI hack to turn it off is to +# set this variable false. +$Class::DBI::Weaken_Is_Available = 1 + unless defined $Class::DBI::Weaken_Is_Available; +__PACKAGE__->mk_classdata('__nocache' => 0); + +sub nocache { + my $class = shift; + + return $class->__nocache(@_) if @_; + + return 1 if $Class::DBI::Weaken_Is_Available == 0; + return $class->__nocache; +} + # Ripped from Class::DBI 0.999, all credit due to Tony Bowden for this code, # all blame due to me for whatever bugs I introduced porting it. @@ -30,17 +45,21 @@ sub clear_object_index { delete @$live{ keys %$live }; } + # And now the fragments to tie it in to DBIx::Class::Table sub insert { my ($self, @rest) = @_; $self->next::method(@rest); - # Because the insert will die() if it can't insert into the db (or should) - # we can be sure the object *was* inserted if we got this far. In which - # case, given primary keys are unique and ID only returns a - # value if the object has all its primary keys, we can be sure there - # isn't a real one in the object index already because such a record - # cannot have existed without the insert failing. + + return $self if $self->nocache; + + # Because the insert will die() if it can't insert into the db (or should) + # we can be sure the object *was* inserted if we got this far. In which + # case, given primary keys are unique and ID only returns a + # value if the object has all its primary keys, we can be sure there + # isn't a real one in the object index already because such a record + # cannot have existed without the insert failing. if (my $key = $self->ID) { my $live = $self->live_object_index; weaken($live->{$key} = $self); @@ -48,13 +67,16 @@ sub insert { if ++$self->live_object_init_count->{count} % $self->purge_object_index_every == 0; } - #use Data::Dumper; warn Dumper($self); + return $self; } sub inflate_result { my ($class, @rest) = @_; my $new = $class->next::method(@rest); + + return $new if $new->nocache; + if (my $key = $new->ID) { #warn "Key $key"; my $live = $class->live_object_index; @@ -67,16 +89,4 @@ sub inflate_result { return $new; } -sub discard_changes { - my ($self) = @_; - if (my $key = $self->ID) { - $self->remove_from_object_index; - my $ret = $self->next::method; - $self->live_object_index->{$key} = $self if $self->in_storage; - return $ret; - } else { - return $self->next::method; - } -} - 1;