MappingTreeStructure
for both the input and the output of the given Transformation
. Once the structures have been created, the Transformation
is {@link Transformation#setMappingStructures(MappingTreeStructure,MappingTreeStructure) updated automtically}, and the structures are stored in the project cache. Note: The mapping structures may be constructed on the server side, so this method may take several seconds to complete. Do not call it from the event-dispatching thread.
@param tf the Transformation
for which to refresh the mapping structures
@param callback an optional callback that will be notified if the call fails or if the user cancels the request
@return the new input and output MappingTreeStructure
s, respectively.null
is return if an error occurs or if the user cancels the request.
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