Story Category: Design Patterns
VOTE"Design Patterns", rescheduled
gabr42
For the last Delphi meeting in Slovenia this year we have organized a small workshop about Design Patterns. As usual, it is intended for Slovenian programmers and will be given in the Slovenian language.Read more… … Read more
2 years ago in Delphi, Design Patterns, presentations
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This Is How To Use The Factory Method Pattern in Delphi
Softacom Information
Do you want to know what the Factory Method Pattern is and what it can do for you? When you are writing simple or complex applications, you might need to create multiple classes inheriting the… … Read more
2 years ago in app builder software, Code, Delphi, Design Patterns, example, example code, Factory method Pattern, object pascal, programming, RAD Studio, Tech Partner
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Deep Dive into Design Patterns
gabr42
While writing Design Patterns with Delphi, I spent quite some time researching existing literature on design patterns implementation in Delphi, design patterns in other languages, other types of patterns, design principles and so on …In… … Read more
6 years ago in Books, Delphi, Design Patterns, programming
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Design Patterns with Delphi (book)
gabr42
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… … Read more
6 years ago in Books, Delphi, Design Patterns, programming
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Refactoring to patterns. Yet another TDD example coded in Delphi
Yanniel
Long overdue here is my second article about Test Driven Development (TDD) in Delphi. This is a continuation of TDD in Delphi: The Basics, another post that I wrote a few months earlier. I would like… … Read more
12 years ago in Behavioral Patterns, Delphi, Delphi Programming, Design Patterns, DUnit, Object Pascal Programming, Object-Oriented Programming, Pascal Programming, TDD, Template Method, Test Driven Development
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Multiton Design Pattern in Delphi
Yanniel
The multiton is somewhat an extension of the singleton pattern. It is referred as registry of singletons by the GOF. I don’t know for sure who appointed the name multiton: it’s an analogy derived from… … Read more
13 years ago in Creational Patterns, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming
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Dependency Injection in Delphi: a simple example
Yanniel
I want to give a fairly simple Delphi example that will expose the dependency injection pattern. No framework, no third-party library will be needed here: just plain Delphi code.I won’t dig into the different forms… … Read more
13 years ago in Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming
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Decorator Design Pattern in Delphi. Multiple Decorations
Yanniel
In my previous post I introduced the decorator design pattern to you. I used a fairly simple example (a silly example if you wish) in order to give you a flavour of the pattern. I… … Read more
13 years ago in Computers, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming, Structural patterns
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Decorator Design Pattern in Delphi. Single decoration
Yanniel
Decorator (also referred as Wrapper) is classified by GoF as a structural pattern. Its purpose is to:“Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclassing for extending functionality.”&nb… … Read more
13 years ago in Computers, Delphi, Delphi Programming, Design Patterns, Object Pascal Programming, Object-Oriented Programming, programming, Structural patterns
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Parameterized Factory Method in Delphi
Yanniel
Factory Method is a creational design pattern, whose intent (according to Design Patterns: Elements of Reusable Object-Oriented Software) is to:“Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory… … Read more
13 years ago in Creational Patterns, Delphi, Delphi Programming, Design Patterns, Object-Oriented Programming, pascal, programming
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Template Method Design Pattern in Delphi. A working example
Yanniel
The Template Method Pattern is very easy to understand and implement. Here’s the definition borrowed from Design Patterns: Elements of Reusable Object-Oriented Software book:“Define the skeleton of an algorithm in an operation, deferring some steps… … Read more
13 years ago in Behavioral Patterns, Delphi, Delphi Programming, Design Patterns, Object-Oriented Programming, pascal, programming, Template Method
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