Module: DataMapper::Lock::Optimistic::ClassMethods

Defined in:
lib/dm-lock/optimistic.rb

Instance Method Summary collapse

Instance Method Details

#lock_optimistic(options = {}) ⇒ Object

Provide optimistic locking support.

This method adds a property named :lock_version which is used to track alterations made, preventing multi-thread/process rece conditions while updating or destroying records.



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# File 'lib/dm-lock/optimistic.rb', line 63

def lock_optimistic options = {}
  property :lock_version, Integer, :nullable => true, :default => 0
end