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@@ -179,6 +179,16 @@ module ActiveRecord
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           end
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         end
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+        # Loads the target if needed and returns it.
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+        #
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+        # This method is abstract in the sense that it relies on +find_target+,
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+        # which is expected to be provided by descendants.
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+        #
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+        # If the target is already loaded it is just returned. Thus, you can call
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+        # +load_target+ unconditionally to get the target.
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+        #
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+        # ActiveRecord::RecordNotFound is rescued within the method, and it is
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+        # not reraised. The proxy is reset and +nil+ is the return value.
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         def load_target
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           return nil unless defined?(@loaded)
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