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design-patterns-in-scala | Code examples for my article Design Patterns | Architecture library

 by   pavelfatin Java Version: Current License: No License

 by   pavelfatin Java Version: Current License: No License

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kandi X-RAY | design-patterns-in-scala Summary

design-patterns-in-scala is a Java library typically used in Architecture applications. design-patterns-in-scala has no bugs, it has no vulnerabilities and it has low support. However design-patterns-in-scala build file is not available. You can download it from GitHub.
Code examples for my article [Design Patterns in Scala](http://pavelfatin.com/design-patterns-in-scala/) (adoption and transformation of classical software design patterns in Scala).
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • design-patterns-in-scala has a low active ecosystem.
  • It has 81 star(s) with 19 fork(s). There are 12 watchers for this library.
  • It had no major release in the last 12 months.
  • design-patterns-in-scala has no issues reported. There are 1 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of design-patterns-in-scala is current.
This Library - Support
Best in #Architecture
Average in #Architecture
This Library - Support
Best in #Architecture
Average in #Architecture

quality kandi Quality

  • design-patterns-in-scala has no bugs reported.
This Library - Quality
Best in #Architecture
Average in #Architecture
This Library - Quality
Best in #Architecture
Average in #Architecture

securitySecurity

  • design-patterns-in-scala has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
This Library - Security
Best in #Architecture
Average in #Architecture
This Library - Security
Best in #Architecture
Average in #Architecture

license License

  • design-patterns-in-scala does not have a standard license declared.
  • Check the repository for any license declaration and review the terms closely.
  • Without a license, all rights are reserved, and you cannot use the library in your applications.
This Library - License
Best in #Architecture
Average in #Architecture
This Library - License
Best in #Architecture
Average in #Architecture

buildReuse

  • design-patterns-in-scala releases are not available. You will need to build from source code and install.
  • design-patterns-in-scala has no build file. You will be need to create the build yourself to build the component from source.
This Library - Reuse
Best in #Architecture
Average in #Architecture
This Library - Reuse
Best in #Architecture
Average in #Architecture
Top functions reviewed by kandi - BETA

kandi has reviewed design-patterns-in-scala and discovered the below as its top functions. This is intended to give you an instant insight into design-patterns-in-scala implemented functionality, and help decide if they suit your requirements.

  • Creates an animal .
  • Compares two objects .
  • Invokes a command .
  • Handle an event .
  • Creates a new user .
  • Writes a byte .
  • Returns true if the keyboard can handle keyboard .
  • Runs the command .
  • Gets the Sound .
  • Get single instance .

design-patterns-in-scala Key Features

Factory method

Lazy initialization

Singleton

Adapter

Decorator

Value object

Null Object

Strategy

Command

Chain of responsibility

Dependency injection

Community Discussions

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Trending Discussions on Architecture

QUESTION

What is the difference between Adapter pattern vs dependency injection in OOP?

Asked 2022-Mar-15 at 09:27

I have been studying Software architectures and design in my uni and I am in the design pattern section. I noticed that the adapter pattern implementation looks similarl to the dependency injection that most framework uses such as Symfony, Angular, Vue, React, that we import a class and type hint it in our constructor.

What are their differences or is it the frameworks implementation of Adapter pattern?

ANSWER

Answered 2022-Mar-09 at 16:41

Dependency injection can be used in adapter pattern. So let's go step by step. Let me show what adapter pattern and dependency injection are.

As Wiki says about adapter pattern:

In software engineering, the adapter pattern is a software design pattern (also known as wrapper, an alternative naming shared with the decorator pattern) that allows the interface of an existing class to be used as another interface. It is often used to make existing classes work with others without modifying their source code.

Let's see a real life example. For example, we have a traveller who travels by car. But sometimes there are places where he cannot go by car. For example, he cannot go by car in forest. But he can go by horse in forest. However, class of Traveller does not have a way to use Horse class. So, it is a place where pattern Adapter can be used.

So let's look how Vehicle and Tourist class look like:

public interface IVehicle
{
    void Drive();
}

public class Car : IVehicle
{
    public void Drive()
    {
        Console.WriteLine("Tourist is going by car");
    }
}


public class Tourist
{
    public void Travel(IVehicle vehicle)
    {
        vehicle.Drive();
    }
}

and animal abstractions and its implementations:

public interface IAnimal
{
    void Move();
}

public class Horse : IAnimal
{
    public void Move()
    {
        Console.WriteLine("Horse is going");
    }
}

This is an adapter class from Horse to Vehicle:

public class HorseToVehicleAdapter : IVehicle
{
    Horse _horse;
    public HorseToVehicleAdapter(Horse horse)
    {
        _horse = horse;
    }

    public void Drive()
    {
        _horse.Move();
    }
}

We can run our code like this:

static void Main(string[] args)
{   
    Tourist tourist = new Tourist();
 
    Car auto = new Car();
 
    tourist.Travel(auto);
    // tourist in forest. So he needs to ride by horse to travel further
    Horse horse = new Horse();
    // using adapter
    IVehicle horseVehicle = new HorseToVehicleAdapter(horse);
    // now tourist travels in forest
    tourist.Travel(horseVehicle);
}   
public class Tourist
{
    public void Travel(IVehicle vehicle) // dependency
    {
        vehicle.Drive();
    }
}

And injection is:

IVehicle horseVehicle = new HorseToVehicleAdapter(horse);
// now tourist travels in forest
tourist.Travel(horseVehicle); // injection

Source https://stackoverflow.com/questions/71411090

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install design-patterns-in-scala

You can download it from GitHub.
You can use design-patterns-in-scala like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the design-patterns-in-scala component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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