From 8e1f1ee44241838c2b701ad2622d98c9c41ea268 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Sun, 12 Dec 2004 16:14:20 +0000
Subject: Moved require_association to associations.rb and added methods for
 resetting the inheritable attributes on subclasses

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@125 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activerecord/lib/active_record/associations.rb     | 20 +++++++++++++-
 activerecord/lib/active_record/base.rb             | 32 +++-------------------
 .../support/class_inheritable_attributes.rb        |  7 +++--
 3 files changed, 28 insertions(+), 31 deletions(-)

(limited to 'activerecord/lib/active_record')

diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 6f6da10a01..6ba7b80102 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -3,6 +3,10 @@ require 'active_record/associations/has_many_association'
 require 'active_record/associations/has_and_belongs_to_many_association'
 require 'active_record/deprecated_associations'
 
+unless Object.respond_to?(:require_association)
+  Object.send(:define_method, :require_association) { |file_name| ActiveRecord::Base.require_association(file_name) }
+end
+
 module ActiveRecord
   module Associations # :nodoc:
     def self.append_features(base)
@@ -447,6 +451,20 @@ module ActiveRecord
         deprecated_has_collection_method(association_name)
       end
 
+      # Loads the <tt>file_name</tt> if reload_associations is true or requires if it's false.
+      def require_association(file_name)
+        if !associations_loaded.include?(file_name)
+          associations_loaded << file_name
+          reload_associations ? silence_warnings { load("#{file_name}.rb") } : require(file_name)
+        end
+      end
+
+      # Resets the list of dependencies loaded (typically to be called by the end of a request), so when require_association is
+      # called for that dependency it'll be loaded anew.
+      def reset_associations_loaded
+        associations_loaded = []
+      end
+
       private
         # Raises an exception if an invalid option has been specified to prevent misspellings from slipping through 
         def validate_options(valid_option_keys, supplied_option_keys)
@@ -571,4 +589,4 @@ module ActiveRecord
         end
     end
   end
-end
+end
\ No newline at end of file
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 2346aa19e9..465a1ed8cf 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -3,10 +3,6 @@ require 'active_record/support/class_inheritable_attributes'
 require 'active_record/support/inflector'
 require 'yaml'
 
-unless Object.respond_to?(:require_association)
-  Object.send(:define_method, :require_association) { |file_name| ActiveRecord::Base.require_association(file_name) }
-end
-
 module ActiveRecord #:nodoc:
   class ActiveRecordError < StandardError #:nodoc:
   end
@@ -192,6 +188,10 @@ module ActiveRecord #:nodoc:
     end
 
     @@subclasses = {}
+    
+    def self.subclasses
+      @@subclasses.values.flatten
+    end
 
     cattr_accessor :configurations
     @@primary_key_prefix_type = {}
@@ -559,20 +559,6 @@ module ActiveRecord #:nodoc:
         return result
       end
 
-      # Loads the <tt>file_name</tt> if reload_associations is true or requires if it's false.
-      def require_association(file_name)
-        if !associations_loaded.include?(file_name)
-          associations_loaded << file_name
-          reload_associations ? silence_warnings { load("#{file_name}.rb") } : require(file_name)
-        end
-      end
-      
-      # Resets the list of dependencies loaded (typically to be called by the end of a request), so when require_association is
-      # called for that dependency it'll be loaded anew.
-      def reset_associations_loaded
-        associations_loaded = []
-      end
-
       private
         # Finder methods must instantiate through this method to work with the single-table inheritance model
         # that makes it possible to create objects of different types from the same table.
@@ -840,16 +826,6 @@ module ActiveRecord #:nodoc:
       def respond_to?(method)
         self.class.column_methods_hash[method.to_sym] || respond_to_without_attributes?(method)
       end
-
-      # Loads the <tt>file_name</tt> if reload_associations is true or requires if it's false.
-      def require_association(file_name)
-        if !associations_loaded.include?(file_name)
-          associations_loaded << file_name
-          reload_associations ? silence_warnings { load("#{file_name}.rb") } : require(file_name)
-        end
-      end
-      
-      Object.send(:define_method, :require_association) { |file_name| ActiveRecord::Base.require_association(file_name) }
       
     private
       def create_or_update
diff --git a/activerecord/lib/active_record/support/class_inheritable_attributes.rb b/activerecord/lib/active_record/support/class_inheritable_attributes.rb
index ee69646da0..201932cf2d 100644
--- a/activerecord/lib/active_record/support/class_inheritable_attributes.rb
+++ b/activerecord/lib/active_record/support/class_inheritable_attributes.rb
@@ -28,10 +28,13 @@ module ClassInheritableAttributes # :nodoc:
       inheritable_attributes[key]
     end
     
+    def reset_inheritable_attributes
+      inheritable_attributes.clear
+    end
+    
     private 
       def inherited(child)
         @@classes[child] = inheritable_attributes.dup
-      end
-      
+      end 
   end
 end
-- 
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