HS.Util.Singleton
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
Parameters
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
Methods
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
- %AddToSaveSet()
- %ClassIsLatestVersion()
- %ClassName()
- %ConstructClone()
- %DispatchClassMethod()
- %DispatchGetModified()
- %DispatchGetProperty()
- %DispatchMethod()
- %DispatchSetModified()
- %DispatchSetMultidimProperty()
- %DispatchSetProperty()
- %Extends()
- %GetParameter()
- %IsA()
- %IsModified()
- %New()
- %NormalizeObject()
- %ObjectModified()
- %OriginalNamespace()
- %PackageName()
- %RemoveFromSaveSet()
- %SerializeObject()
- %SetModified()
- %ValidateObject()