Process: Add hook to customize the process_label attribute
#5713
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Up till now the `process_label` of a `ProcessNode` instance representing the execution of a `Process` would be set to the name of the process class. This was hardcoded and could not be changed, but in certain cases it may be useful for the subclass to provide a more meaningful label. Here the `_build_process_label` method is called which should return the process label. It can be overridden by subclasses to return another string. When an instance of the `Process` is run, the value returned by this method will be stored in the `process_label` attribute.
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Fixes #5712
Up till now the
process_labelof aProcessNodeinstance representing the execution of aProcesswould be set to the name of the process class. This was hardcoded and could not be changed, but in certain cases it may be useful for the subclass to provide a more meaningful label.Here the
_build_process_labelmethod is called which should return the process label. It can be overridden by subclasses to return another string. When an instance of theProcessis run, the value returned by this method will be stored in theprocess_labelattribute.