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This is documentation for Caché & Ensemble.

For information on converting to InterSystems IRIS, see the InterSystems IRIS Adoption Guide and the InterSystems IRIS In-Place Conversion Guide, both available on the WRC Distributions page (login required).

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Abstract

Specifies whether this is an abstract class.

Usage

To mark a class as abstract, use the following syntax:

Class MyApp.MyClass [ Abstract ]  { //class members }

Otherwise, omit this keyword or place the word Not immediately before the keyword.

Details

If a class is abstract, you cannot create instances of it.

Effect on Subclasses

This keyword is not inherited.

Default

If you omit this keyword, the class is not abstract.

See Also