Using Caché Objects

	Contents
Chapter 1:	Introduction to Caché Objects
	1.1 Caché Objects Architecture 1.2 Class Definitions and the Class Dictionary 1.2.1 Creating Class Definitions 1.2.2 The Class Dictionary 1.3 The Caché Class Library 1.4 Development Tools 1.4.1 Caché Studio 1.4.2 Caché RoseLink 1.4.3 SQL-based Development 1.4.4 XML-based Development 1.5 Client Interoperability 1.5.1 Java 1.5.2 ActiveX / COM / .NET 1.5.3 Caché Server Pages 1.5.4 C++ 1.5.5 XML 1.5.6 The Caché SQL Gateway 1.5.7 The Caché Activate ActiveX Gateway
Chapter 2:	Object-Oriented Database Development
	2.1 Classes and Objects 2.2 Abstraction and Modeling 2.3 Inheritance and Polymorphism 2.4 Encapsulation 2.5 Extensibility 2.6 Object Persistence 2.7 Object Binding
Chapter 3:	The Caché Object Model
	3.1 Referring to an Object—OREF and OID 3.1.1 OID and ID Values 3.1.2 OREFs and Reference Counting 3.2 Types of Classes 3.2.1 Transient Object Classes 3.2.2 Persistent Object Classes 3.2.3 Serial Object Classes 3.2.4 Data Type Classes 3.3 Inheritance 3.3.1 Multiple Inheritance 3.4 Class Compilation
Chapter 4:	Caché Classes
	4.1 Naming Conventions 4.1.1 General Identifier Rules 4.1.2 Class Names 4.1.3 Class Member Names 4.2 Class Keywords 4.3 Class Parameters
Chapter 5:	Packages
	5.1 Overview of Packages 5.2 Package Names 5.3 Defining Packages 5.4 Using Packages 5.4.1 The IMPORT Directive 5.5 Packages and SQL 5.6 Built-in Packages
Chapter 6:	Methods
	6.1 Method Arguments 6.1.1 Specifying Default Values 6.1.2 Calling By Reference 6.2 Method Return Values 6.3 Method Visibility 6.4 Method Language 6.5 Method Keywords 6.6 Instance and Class Methods 6.7 Kinds of Methods 6.7.1 Code Methods 6.7.2 Expression Methods 6.7.3 Call Methods 6.7.4 Method Generators
Chapter 7:	Properties
	7.1 Property Keywords 7.2 Property Visibility 7.3 Property Behavior 7.4 Property Accessors 7.5 Attribute Properties 7.5.1 Data Type Properties 7.5.2 Object-Valued Properties 7.5.3 Collection Properties 7.5.4 Stream Properties 7.5.5 Multidimensional Properties
Chapter 8:	Class Queries
	8.1 Query Basics 8.1.1 The Structure of a Class Query 8.1.2 Query Keywords 8.1.3 Creating a Class Query Specification 8.2 User-Written Class Queries 8.2.1 The querynameExecute Method 8.2.2 The querynameFetch Method 8.2.3 The querynameClose Method
Chapter 9:	Indices
	9.1 Index Keywords 9.2 Index Collation
Chapter 10:	Using Objects with Caché ObjectScript
	10.1 Executing Methods 10.1.1 About Return Values 10.1.2 Executing Instance Methods 10.1.3 Executing Class Methods 10.1.4 Executing Methods Using In-Memory Instances 10.1.5 Error Conditions 10.2 Creating New Objects 10.3 Opening Objects 10.4 Modifying Objects 10.4.1 Modifying Reference Properties 10.4.2 Modifying Embedded Object Properties 10.4.3 Modifying List Properties 10.4.4 Modfiying Array Properties 10.4.5 Modifying Stream Properties 10.5 Saving Objects 10.6 Deleting Objects 10.6.1 Deleting a Single Object 10.6.2 Deleting All Objects in an Extent 10.7 Executing Queries 10.7.1 Query Metadata Methods 10.7.2 Preparing Queries for Execution 10.7.3 Executing Queries 10.7.4 Processing Query Results 10.7.5 Closing Queries 10.7.6 Example of Using a Class Query
Chapter 11:	Data types
	11.1 Available Types 11.2 Operation 11.2.1 Using Data Types in Classes 11.2.2 Parameters 11.2.3 Keywords 11.2.4 Data Formats and Translation Methods 11.3 Enumerated Properties
Chapter 12:	Object Persistence
	12.1 The %Persistent Class 12.2 The Persistence Interface 12.2.1 Saving Objects 12.2.2 Opening Objects 12.2.3 Deleting Objects 12.2.4 Testing if Objects Exist 12.3 Object Extents 12.3.1 The Extent Query 12.4 Storage Definitions and Storage Classes 12.4.1 The %CacheStorage Storage Class 12.4.2 The %CacheSQLStorage Storage Class 12.5 Schema Evolution 12.5.1 Resetting the Storage Definition
Chapter 13:	Objects and SQL
	13.1 Inheritance and SQL 13.1.1 How a Class is Projected to SQL 13.1.2 Naming Rules for Projected Classes 13.2 The Object-SQL Projection 13.2.1 Identity (OIDs Projected to SQL) 13.2.2 Properties 13.2.3 Methods 13.2.4 SQL Triggers 13.2.5 Relationships
Chapter 14:	Relationships
	14.1 Relationship Basics 14.1.1 Relationship Keywords 14.1.2 Defining a Relationship 14.2 Dependent Relationships 14.3 In-Memory Behavior of Relationships 14.4 Persistent Behavior of Relationships 14.4.1 Referential Integrity 14.4.2 Persistent Behavior of Dependent Relationships
Chapter 15:	Streams
	15.1 The Stream Interface 15.2 Using Streams in Object Applications 15.3 The Stream Class Hierarchy 15.4 Using Streams with SQL 15.5 Streams and ODBC 15.6 Streams and Visual Basic
Chapter 16:	Class Projections
	16.1 Projection Definitions 16.1.1 Adding a Projection to a Class 16.2 Projection Classes 16.2.1 The Projection Interface 16.2.2 The Standard Projection Classes 16.2.3 Creating a New Projection Class
Chapter 17:	Method Generators
	17.1 Defining a Method Generator 17.2 How Method Generators Work 17.3 Method Generator Context 17.4 Implementing Method Generators 17.4.1 Method Generators for Other Languages 17.4.2 Specifying CodeMode within a Method Generator
Chapter 18:	The Caché Data Population Utility
	18.1 Data Population Basics 18.1.1 Changes to the Class Definition 18.1.2 Populating Objects 18.2 The POPSPEC Parameter 18.2.1 Populating Embedded Objects 18.2.2 Populating Lists 18.2.3 Populating Arrays 18.2.4 Custom Populate Actions 18.3 Details
Chapter 19:	Using Callback Methods
	19.1 %OnAddToSaveSet 19.2 %OnAfterSave 19.3 %OnBeforeSave 19.4 %OnClose 19.5 %OnConstructClone 19.6 %OnDelete 19.7 %OnDetermineClass 19.8 %OnNew 19.9 %OnOpen 19.10 %OnRollBack 19.11 %OnValidateObject 19.12 OnPopulate
Chapter 20:	Object-Specific ObjectScript Features
	20.1 .. Syntax 20.2 ##Class Syntax 20.2.1 Invoking a Class Method 20.2.2 Casting a Method 20.3 ##this Syntax 20.4 ##super Syntax 20.5 i%<PropertyName> Syntax
Chapter 21:	Class Definition Classes
	21.1 Browsing Class Definitions 21.2 Altering Class Definitions
Chapter 22:	Internet Classes
	22.1 E-Mail 22.1.1 Mail Messages 22.1.2 Sending E-Mail 22.1.3 Receiving E-Mail 22.2 FTP 22.3 HTTP 22.4 URL Parsing

Appendix A:	Object Concurrency Options