Added a few example based on the obsolete libraries (v0).

Updated the tutorial example.
Added WSF_MESSAGE_EXECUTION.

examples/obsolete/v0/restbucksCRUD/src/domain/item_constants.e

@@ -0,0 +1,54 @@
+note
+	description: "Summary description for {ITEM_CONSTANTS}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	ITEM_CONSTANTS
+feature -- Access
+	is_valid_coffee_type (a_type: STRING) : BOOLEAN
+		--is `a_type' a valid coffee type
+		do
+			a_type.to_lower
+			coffe_types.compare_objects
+			Result := coffe_types.has (a_type)
+		end
+
+    Coffe_types : ARRAY[STRING]
+		-- List of valid Coffee types
+		once
+			Result := <<"late","cappuccino", "expresso">>
+		end
+
+	is_valid_milk_type (a_type: STRING) : BOOLEAN
+		--is `a_type' a valid milk type
+		do
+			a_type.to_lower
+			milk_types.compare_objects
+			Result := milk_types.has (a_type)
+		end
+
+	Milk_types : ARRAY[STRING]
+		-- List of valid Milk types
+		once
+			Result := <<"skim","semi", "whole">>
+		end
+
+	is_valid_size_option (an_option: STRING) : BOOLEAN
+		--is `an_option' a valid size option
+		do
+			an_option.to_lower
+			size_options.compare_objects
+			Result := size_options.has (an_option)
+		end
+
+	Size_options :	ARRAY[STRING]
+		-- List of valid Size_options
+		once
+			Result := <<"small","mediumn", "large">>
+		end
+note
+	copyright: "2011-2012, Javier Velilla and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+end