lib/og/mixin/optimistic_locking.rb in og-0.20.0 vs lib/og/mixin/optimistic_locking.rb in og-0.21.0

@@ -14,45 +14,45 @@
 #
 # http://c2.com/cgi/wiki?OptimisticLocking
 # http://en.wikipedia.org/wiki/Optimistic_concurrency_control
 
 module Locking
-	property :lock_version, Fixnum, :default => 0
-	pre "@lock_version = 0", :on => :og_insert
+  property :lock_version, Fixnum, :default => 0
+  pre "@lock_version = 0", :on => :og_insert
 
-	def self.append_features(base) #:nodoc:
-		PropertyUtils.copy_features(self, base)
+  def self.append_features(base) #:nodoc:
+    PropertyUtils.copy_features(self, base)
 
-		super
+    super
 
-		base.module_eval do
-			def self.enchant
-				self.send :alias_method, :update_without_lock, :update
-				self.send :alias_method, :update, :update_with_lock
-				self.send :alias_method, :save_without_lock, :save
-				self.send :alias_method, :save, :save_with_lock
-			end
-		end
-	end
-	
-	def update_with_lock
-		lock = @lock_version
-		@lock_version += 1
+    base.module_eval do
+      def self.enchant
+        self.send :alias_method, :update_without_lock, :update
+        self.send :alias_method, :update, :update_with_lock
+        self.send :alias_method, :save_without_lock, :save
+        self.send :alias_method, :save, :save_with_lock
+      end
+    end
+  end
+  
+  def update_with_lock
+    lock = @lock_version
+    @lock_version += 1
 
-		unless update_without_lock(:condition => "lock_version=#{lock}") == 1	
-			raise(StaleObjectError, 'Attempted to update a stale object')
-		end
-	end
+    unless update_without_lock(:condition => "lock_version=#{lock}") == 1  
+      raise(StaleObjectError, 'Attempted to update a stale object')
+    end
+  end
 
-	def save_with_lock
-		lock = @lock_version
-		@lock_version += 1
+  def save_with_lock
+    lock = @lock_version
+    @lock_version += 1
 
-		unless save_without_lock(:condition => "lock_version=#{lock}") == 1	
-			raise(StaleObjectError, 'Attempted to update a stale object')
-		end
-	end
-	
+    unless save_without_lock(:condition => "lock_version=#{lock}") == 1  
+      raise(StaleObjectError, 'Attempted to update a stale object')
+    end
+  end
+  
 end
 
 end
 
 # * George Moschovitis <[e-mail]>