+sub load_cached {
+ my $class_or_self = shift;
+ my @ids = @_;
+ my $class = ref($class_or_self) || $class_or_self;
+ my $cache = $::request->cache("::SL::DB::Object::object_cache::${class}");
+
+ croak "Missing ID" unless @ids;
+
+ my @missing_ids = grep { !exists $cache->{$_} } @ids;
+
+ return $cache->{$ids[0]} if !@missing_ids;
+
+ croak "Caching can only be used with classes with exactly one primary key column" if 1 != scalar(@{ $class->meta->primary_key_columns });
+
+ my $primary_key = $class->meta->primary_key_columns->[0]->name;
+ my $objects = $class->_get_manager_class->get_all(where => [ $primary_key => \@missing_ids ]);
+
+ $cache->{$_->$primary_key} = $_ for @{ $objects};
+
+ return $cache->{$ids[0]};
+}
+
+sub invalidate_cached {
+ my ($class_or_self, @ids) = @_;
+ my $class = ref($class_or_self) || $class_or_self;
+
+ if (ref($class_or_self) && !@ids) {
+ croak "Caching can only be used with classes with exactly one primary key column" if 1 != scalar(@{ $class->meta->primary_key_columns });
+
+ my $primary_key = $class->meta->primary_key_columns->[0]->name;
+ @ids = ($class_or_self->$primary_key);
+ }
+
+ delete @{ $::request->cache("::SL::DB::Object::object_cache::${class}") }{ @ids };
+
+ return $class_or_self;
+}
+