Module Gnumed.pycommon.gmBorg

A base class turning child classes into a Singleton.

Classes

class cBorg (*args, **kargs)

Expand source code

class cBorg:
        """A generic Borg mixin for new-style classes.

        - mixin this class with your class' ancestors to borg it

        - there may be many _instances_ of this - PER CHILD CLASS - but they all share _state_
        """
        _instances:dict = {}

        def __new__(cls, *args, **kargs):
                # look up subclass instance cache
                if cBorg._instances.get(cls) is None:
                        #cBorg._instances[cls] = object.__new__(cls, *args, **kargs)
                        cBorg._instances[cls] = object.__new__(cls)
                return cBorg._instances[cls]

A generic Borg mixin for new-style classes.

• mixin this class with your class' ancestors to borg it

• there may be many instances of this - PER CHILD CLASS - but they all share state

Subclasses

• gmOOoConnector
• gmCurrentPatient
• gmCurrentPraxisBranch
• gmCurrentProvider
• gmBackendListener
• gmCfgData
• gmConnectionPool
• gmPaths