About This Book

This book is a guide to creating and using classes in InterSystems IRIS®, particularly object classes and persistent classes. It consists of the following chapters:

Introduction to InterSystems IRIS Classes
Defining and Compiling Classes
Package Options
Defining and Referring to Class Parameters
Defining and Calling Methods
Working with Registered Objects
Introduction to Persistent Objects
Working with Persistent Objects
Defining Persistent Classes
Defining and Using Literal Properties
Working with Collections
Working with Streams
Defining and Using Object-Valued Properties
Defining and Using Relationships
Other Options for Persistent Classes
Defining Method and Trigger Generators
Defining and Using Class Queries
Defining and Using XData Blocks
Defining Class Projections
Defining Data Type Classes
Implementing Callback Methods
Using and Overriding Property Methods
Implementing Dynamic Dispatch

This book also includes the following appendices:

Object-Specific ObjectScript Features
Using the Populate Utility
Using the %Dictionary Classes
Using the Object Synchronization Feature

For a detailed outline, see the table of contents.

For information about related topics, see the following documents:

Orientation Guide for Server-Side Programming is an orientation guide for programmers who are new to InterSystems IRIS.
The Class Definition Reference provides detailed reference information about how to define classes and their members.
Using ObjectScript describes concepts and how to use the ObjectScript language.
Using Globals describes the underlying data storage mechanisms that InterSystems IRIS uses.