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Pega Object-Oriented Programming (OOP) Concepts

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Introduction

Pega Platform incorporates Object-Oriented Programming (OOP) principles to enhance its functionality, flexibility, and reusability. This article explores the key OOP concepts in Pega and how they are implemented in application development.

Key OOP Concepts in Pega

Encapsulation

Encapsulation in Pega involves hiding the internal details of an object and providing an interface to interact with it[1]. This is achieved through the use of classes and rules, which encapsulate data and behavior.

Example: A Data-Party class encapsulates all the properties and methods related to a party (person or organization) in the system.

Inheritance

Pega extensively uses inheritance to promote code reuse and establish hierarchical relationships between classes[1][2]. There are two types of inheritance in Pega:

  1. Pattern Inheritance: Automatic inheritance based on class name structure.
  2. Directed Inheritance: Explicitly specified inheritance between classes.

Example: The ABCIns-Consumer-PolicyProcessing class inherits from ABCIns-Consumer, which in turn inherits from ABCIns[2].

Polymorphism

Polymorphism in Pega allows objects to be treated as instances of their parent class[1]. This concept enables flexible and consistent behavior across different object types.

Example: Correspondence and routing work the same way regardless of whether the class is Data-Party-Person or Data-Party-Org[1].

Classes in Pega

Pega uses two main types of classes:

  1. Concrete Classes: These are classes where business transactions can be initiated and processed.
  2. Abstract Classes: These classes cannot be instantiated directly but serve as templates for other classes.
Pega, Development
Pega OOP Object-Oriented Programming
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