I have a rather complex transformation task and I wonder how this can be solved with ATL. The source model is a flat list of elements. However, some of its attributes can be used to build a hierarchy. I provide a source and target model to make it more clear.
I think the complicated part is that nodes should only be created once and then be reused by the other leafs and I did not find any tutorials about such a task. Any suggestions how I can solve this? I would really appreciate the help.