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Design Patterns with Delphi (book)

Ein Thema von DP News-Robot · begonnen am 27. Feb 2019
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DP News-Robot

Registriert seit: 4. Jun 2010
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Design Patterns with Delphi (book)

  Alt 27. Feb 2019, 20:50
Hurrah, hurray, my third book is here! It’s called Hands-On Design Patterns with Delphi and (just like my first book) I wrote it for Packt Publishing. (The second book was self-published and I expect the fourth one to be, too.) As the name says, “Design Patterns with Delphi” deals with design patterns. It is a bit different from most of design pattern books and websites you will find on the Internet. Case in point A: There are no UML diagrams. I don‘t speak UML. Tried to learn it few times but for some reason the whole concept doesn‘t agree with me. If you like diagrams, don’t fear though. Any book on design patterns - and most websites covering that topic - will gladly show how any design pattern can be diagrammed. That, however, is not important and should not govern your decision to buy the book.

More important is case in point B: This book speaks Delphi. All the examples are written in Delphi and language features are used to the full. I also covered few less known Delphi idioms in separate sections. You’ll still be able to follow the discussion even though you may program in a different Pascal dialect.


There’s also case in point C: Examples make sense. I deeply dislike classical design pattern examples of the “And then we want to write this program for different toolkits and it should also be able to draw circles, not only squares” kind. Euch! I tried to find a good example for each design pattern. Admittedly, I ended with few examples that draw triangles and squares on screen (mostly because some patterns were designed specifically for solving such problems), but most of them are of a more practical nature.
This book covers all three classical design pattern categories - Creational patterns, Structural patterns, and Behavioral patterns. It also discusses patterns from the newer Concurrency patterns category. At the end I threw in some borderline-pattern(ish) topics and ended with a discussion of few patterns that cannot be strictly classified as “design” patterns.
In this book you’ll find:
  • Chapter 1

    An introduction to patterns. Exploration of design principles, design patterns, and idioms. A mention of anti-patterns. A short description of most important design principles. Delphi idioms: creating and destroying objects.
  • Chapter 2

    Creation patterns part 1. Singleton. Dependency injection. Lazy initialization. Object pool.
  • Chapter 3

    Creation patterns part 2. Factory method, Abstract factory, Prototype, Builder. Delphi idioms: Assign and AssignTo.
  • Chapter 4

    Structural patterns part 1. Composite. Flyweight. Marker interface. Bridge. Delphi idioms: comparers and hashers.
  • Chapter 5

    Structure patterns part 2. Adapter. Proxy. Decorator. Facade. Delphi idioms: replacing components in runtime. Also: helpers.
  • Chapter 6

    Behavioral patterns part 1. Null object. Template method. Command. State.
  • Chapter 7

    Behavioral patterns part 2. Iterator. Visitor. Observer. Memento. Delphi idioms: for .. in.
  • Chapter 8

    Concurrency patterns part 1. Locking. Lock striping. Double-checked locking. Optimistic locking. Readers-writers lock. Delphi idioms: tasks and threads. Also: bitwise operators.
  • Chapter 9

    Concurrency patterns part 2. Thread pool. Messaging. Future. Pipeline.
  • Chapter 10

    Writing Delphi programs. Event-driven programming. Actions. LiveBindings. Form inheritance. Frames. Data modules.
  • Chapter 11

    Wrapping it up. Exceptions. Debugging. Functional programming.
I hope you will like this book and learn a lot from it. I know I did during the nine months I spent writing it. And if you find any bug in the code, let me know so I can correct it in the second release![SIZE=-2]--- Published under the Creative Commons Attribution 3.0 license[/SIZE]


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