IBM Support

How to create Singleton Objects with ports in Rational Rhapsody

Technote (FAQ)


How do you create Singleton Objects in IBM Rational Rhapsody ?


You want to restrict the instantiation of a class to just one object which contains a port.



  1. Create class in the project

  2. Apply the stereotype Singleton on it

  3. Add a port to the class

  4. Make an object (Right click on class > Make an Object)

  5. Generate code

Document information

More support for: Rational Rhapsody
General Information

Software version:,,, 8.0, 8.0.1, 8.0.2

Operating system(s): Linux, Windows

Reference #: 1633263

Modified date: 19 April 2013

Translate this page: