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Table of Contents
Book Cover
Front Matter
About This Book
Prerequisites
Sample Code
References
Chapter Organization
Companion CD
Acknowledgments
Part I: The Foundation
1. The Component Model
Component Reusability
Traditional Software Reusability
Reference Hardware Components
Simulation Program
Role of the Linker and the OS Loader
Dynamic Link Library
Fixing a Defect
Hardware Component Model
Separating Interface from Implementation
Common Aspects of C++ Language
Virtual Methods in C++ and Memory Layout
Interface as an Abstract Base Class
Dynamic Selection of a Component
Extending the Interface Functionality
Managing the Lifetime of an Object
Optimizations
Error Reporting
The Essence of COM
Summary
References
2. Designing Interfaces
Why a New Language?
Interface Definition Language (IDL)
IDL Design Goals
Processing IDL Files
IDL File Structure
IDL Syntax
Automation
Interfaces and Marshaling
Memory Management
Organizing Multiple IDL Files
Putting It All Together
Summary
References
3. Components
From C++ to COMA Quick Tour
Revisiting C++ Code
Implementing COM Objects
Tear-Off Interfaces
Reusing Components
Error Reporting
Summary
References
Part II: The Extension
4. Essence of COM+
Enterprise Systems
Three-Tier Architecture
COM+=Simplified Development
Summary
References
5. COM+ Programming Model
Attribute-Based Programming
COM+ Context
Object Context
Call Context
Object Activation
Summary
References
6. Concurrency
Multithread Programming
Apartments
Configuration Settings
Apartments and Standard Marshaling
Cross-Context Access
Developing Thread-Safe COM Code
Summary
References
7. Security
The COM+ Security Model
Declarative Security
Server-Side Security Programming
Client-Side Security Programming
Summary
References
8. Transactions
The Stock Trader
Transaction Theory
COM+ Support for Transactions
The Architecture
Compensating Resource Manager
Summary
References
9. Message Queuing
Message-Based Queuing
MSMQ Overview
MSMQ COM Components
Queued Components
Summary
References
10. Events
Introduction
Tightly Coupled Events (TCEs)
Loosely Coupled Events (LCEs)
Summary
References
11. Scalability
Introduction
Resource Dispensers
Just-in-Time (JIT) Activation
Object Pooling
Asynchronous Method Calls
COM+ Pipes
Summary
References
12. Administration
Overview
COM+ Administration Object Model
Programming Considerations
Some Common Administrative Tasks
Future Enhancements
Summary
References
