module Sequel::Plugins::OptimisticLockingBase::InstanceMethods

Public Instance Methods

Source

   # File lib/sequel/plugins/optimistic_locking_base.rb
35 def before_destroy
36   lock_column_instance_filter
37   super
38 end

Add the lock column instance filter to the object before destroying it.

Calls superclass method

before_update ()

Source

   # File lib/sequel/plugins/optimistic_locking_base.rb
41 def before_update
42   lock_column_instance_filter
43   super
44 end

Add the lock column instance filter to the object before updating it.

Calls superclass method

Private Instance Methods

_refresh (ds)

Source

   # File lib/sequel/plugins/optimistic_locking_base.rb
61 def _refresh(ds)
62   clear_instance_filters
63   super
64 end

Clear the instance filters when refreshing, so that attempting to refresh after a failed save removes the previous lock column filter (the new one will be added before updating).

Calls superclass method

lock_column_instance_filter ()

Source

   # File lib/sequel/plugins/optimistic_locking_base.rb
49 def lock_column_instance_filter
50   instance_filter(model.lock_column=>lock_column_instance_filter_value)
51 end

Add the lock column instance filter to the object.

lock_column_instance_filter_value ()

Source

   # File lib/sequel/plugins/optimistic_locking_base.rb
54 def lock_column_instance_filter_value
55   public_send(model.lock_column)
56 end

Use the current value of the lock column