Module: ActiveRecord::Locking::Optimistic::ClassMethods

Defined in:
lib/active_record/locking/optimistic.rb

Constant Summary collapse

DEFAULT_LOCKING_COLUMN = 
'lock_version'

Instance Method Summary collapse

Instance Method Details

#locking_column ⇒ Object

The version column used for optimistic locking. Defaults to lock_version.



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# File 'lib/active_record/locking/optimistic.rb', line 90

def locking_column
  reset_locking_column
end

#quoted_locking_column ⇒ Object

Quote the column name used for optimistic locking.



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# File 'lib/active_record/locking/optimistic.rb', line 95

def quoted_locking_column
  connection.quote_column_name(locking_column)
end

#reset_locking_column ⇒ Object

Reset the column used for optimistic locking back to the lock_version default.



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# File 'lib/active_record/locking/optimistic.rb', line 100

def reset_locking_column
  set_locking_column DEFAULT_LOCKING_COLUMN
end

#set_locking_column(value = nil, &block) ⇒ Object

Set the column to use for optimistic locking. Defaults to lock_version.



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# File 'lib/active_record/locking/optimistic.rb', line 84

def set_locking_column(value = nil, &block)
  define_attr_method :locking_column, value, &block
  value
end