Dependency Injection In Delphi (Dependency Injection in Delphi)
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Last updated on 2017-02-25
About the Book
This book covers Dependency Injection from A to Z. In it you'll learn about Constructor Injection, Property Injection, and Method Injection. You'll learn about the right and wrong way to use the Dependency Injection Container.
This is the Chapter List:
- What is Dependency Injection
- Benefits of Dependency Injection
- Constructor Injection
- Property Injection
- Method Injection
- Using the Container
- A Simple Migration Example
- Advanced Uses of the Container
- Dependency Injection Anti-patterns
- A Full, Useful Example
- Final Thoughts
About the Author
Bundles that include this book
About the Contributors
Table of Contents
- Preface
- Acknowledgements
-
What is Dependency Injection?
- Introduction
- So What Exactly is Dependency Injection?
- What to Do?
- Basic Principles to Follow
- Conclusion
- Benefits of Dependency Injection
-
A Closer Look at Coupling: Connascence
- Introduction
- Connascence
- Qualities of Connascence
- Levels of Connascence
- What to Do About Connascence?
- Conclusion
-
Constructor Injection
- Constructor Injection
-
Never Accept
nil - When to Use Constructor Injection
- Property Injection
- Method Injection
-
The Dependency Injection Container
- What is a Dependency Injection Container?
- What is the Container?
- Why is a Container Needed?
- Where to Use the Container
- When to Use the Container
- Capabilities and Functionality
- Conclusion
-
A Step-by-Step Example
- The Beginning
- Introducing Constructor Injection
- Coding to an Interface
- Enter the Container
- Conclusion
-
Advanced Container Use
- Multiple Implementations at Runtime
- Lazy Initialization
- Registering Factories
- Registering Primitive Parameters
- Attributes
- Conclusion
-
Dependency Injection Anti-Patterns
- Service Locator
- Field Injection
- Constructor Over-Injection
- VCL Components in the Container
- Multiple Constructors
- Mixing the Container in with Your Code
- Conclusion
-
A Simple, Useful, and Complete Example
- Introduction
- Interfaces
- The File Displayer
- Building Displayers
- Tying It All Together
- Connecting to the User Interface
- Ways to Improve This Application
- Conclusions
- Final Thoughts
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