A method, computer program product and system for generating an editor to be executed through a graphical user interface of a computer, for editing the persistent data of an application, the persistent data being described and stored in a data object model using a modeling language defining a hierarchical organization of classes, their attributes and the relations between classes, comprising retrieving the root class and starting from the root class, creating a page per class for creating the instances of the class. Each page of a current class comprises an Edit section for editing the attributes of the class, a Table section which lists all the instances of the class when they will be created and a hyperlink section for listing pointers to other pages corresponding to the target classes in relation with the current class.
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