def __init__( self, app ):
self.type_registry = DatasetCollectionTypesRegistry( app )
self.collection_type_descriptions = CollectionTypeDescriptionFactory( self.type_registry )
self.model = app.model
self.security = app.security
self.hda_manager = hdas.HDAManager()
self.history_manager = histories.HistoryManager()
self.tag_manager = tags.TagsManager( app )
self.ldda_manager = lddas.LDDAManager( )
