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abstract class HS.Util.Singleton extends %Library.RegisteredObject

Copied from %IPM.General.Singleton for usage as superclass of HSLIB's classes General class to extend to add a "singleton" interface to any registered or persistent class. For persistent classes, requires that the class has a unique index defined on a read-only property with an InitialExpression.

Method Inventory


parameter NAMESPACESCOPE = 1;
If set to 1, calls to %Get must return an instance of this class created in the current namespace; a new instance will be created if none exists.
parameter PPG = ^||HS.Util.Singleton;
PPG in which to track references to the instance of this class


final classmethod %Get(Output pSC As %Status) as HS.Util.Singleton
Return the single per-process/namespace instance of this class, or create a new one. For persistent classes, may open the existing single record by its unique index.

Inherited Members

Inherited Methods

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