Extending classes having recursive (circular) relationshipsHi, I have the following object-oriented data structure for holding file and folder data in memory. It’s used by a number of existing applications, and I do not want to have to modify them by changing the data structure directly for the sake of a new application that requires some extensions. particular TFolderCpt= class; TFolderCptArray= assortment of TFolderCpt; TFolder= classification; TFolderCpt= class
I 'm just discovering a difference between the two tools : - PowerAMC (generally used for french users - often used to practice Merise methodology) and - PowerDesigner (generally used by english users) This difference is:PowerDesigner doesn't authorise a N-N relationship (personne <<--- year_diploma_obtention--->> diploma ) to have a attribute contrary PowerAMC. Consequently, when a user of PowerDesigner want to add an attribute to a relationship, he have to transform the relationship in entity. Then two so.
Extra Resources
Recursive DWIl s'agit d'un content multivolet bien au style MIME. --------------B5B2D2CBBB6FECAF74D02B86 Articles-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit I made a couple of datawindows prepared like this : DW1 including one or two nested DW |---- a tag |---- DW step 1 (I produced this new moms and dad DW1 getting in touch with alone by the exporting the source password and modifying the name of your own nested DW) |---- DW 2 ( a not recursive DW that provides the message of your current level) Okay, it functions. Continue reading N-Letter relationships : PowerDesigner in place of PowerAMCThis content is adressed only for discussion →