Category of DOperations.
Node in DOperationCategoryTree.
Node in DOperationCategoryTree. Represents certain category, holds its subcategories and assigned operations. Objects of this class are immutable.
category represented by this node or None if it is root
map from all direct child-categories to nodes representing them
operations directly in category represented by this node
Represents a registered DOperation and stores its name and i/o port types.
Catalog of DOperations.
Catalog of DOperations. Allows to register DOperations under specified categories, to browse categories structure and to create operations instances.
Category of DOperations. It can be subcategory of different DOperationCategory.