dm-optlock¶ ↑ Adds optimistic locking to Datamapper. Usage:¶ ↑ class Model include DataMapper::Resource ... add_locking_column :my_version_col end add_locking_column takes a options hash just like DataMapper’s property method does. REQUIREMENTS:¶ ↑ dm-core >= 0.9.5 LICENSE:¶ ↑ GPL v3 www.gnu.de/documents/gpl-3.0.en.html