In this video, the Factory method will be reviewed which was applied to the code. You will also get a clear understanding of how it matched the class diagram by comparing how the class diagrams Product, Creator, Concrete Product & Concrete Creator translate in the code for Citi & National credit unions. We'll see how in the end, this patterns creates the correct objects based on specific input.
- [Voiceover] Let's assume two credit unions merge…and now they share an API that pulls account information…from each company that merged.…One call Citi Credit Union and…the other National Credit Union.…What it does is it returns a savings account object…depending on the account number passed in.…We're going to demo this.…So, go ahead and open up from your exercise folder…the solution for factory method.…We're going to step through this one by one.…The first thing that I did is I created an abstract…product that's a class called ISavingsAccount.…
And all I did is add in one property in there for balance.…Following that, I created 2 concrete products.…One called CitiSavingsAcct that inherits…from ISavingsAccount, and within the constructor…I define a value of $5,000 for the balance.…Right below it is a second concrete product…and it's for NationalSavingsAcct and likewise…it also inherits from ISavingsAcct.…
And similarly, within the constructor this time…I defined the balance as $2,000.…Next, I create the creator which is an interface…
Author
Released
5/31/2016In this course, developer and technologist Reynald Adolphe explains the purpose and effective use of eight design patterns, including six Gang of Four design patterns and two .NET patterns. Gang of Four patterns fall under three categories: structural, creational, and behavioral. Reynald helps you learn about select patterns from each category. He describes each pattern and demonstrates how programmers can leverage them in real-world applications.
- Factory Method
- Abstract Factory
- Singleton pattern
- Decorator pattern
- Iterator pattern
- Observer pattern
- Repository pattern
- Unit of Work pattern
Skill Level Intermediate
Duration
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Introduction
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Welcome1m 28s
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1. Overview
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Design patterns explained1m 20s
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The need for design patterns1m 31s
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Design pattern categories1m 35s
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2. Factory Method
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Factory pattern overview1m 36s
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Code the Factory pattern4m 16s
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3. Abstract Factory
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4. Singleton Pattern
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Singleton pattern overview1m 44s
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Thread safety2m 42s
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5. Decorator Pattern
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Decorator pattern overview2m 54s
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Concrete Component code2m 37s
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Concrete Decorator code2m 42s
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6. Iterator Pattern
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Aggregate setup2m 7s
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Iterator setup and execution4m 53s
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7. Observer Pattern
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Observer pattern overview2m 23s
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Concrete Subject code3m 23s
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8. Repository Pattern
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MVC Project setup8m 14s
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Create a Generic Repository2m 16s
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9. Unit of Work Pattern
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Convert to Unit of Work3m 53s
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Conclusion
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Next Steps31s
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Video: Code the Factory pattern