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Questions tagged [facade]

The Facade pattern is one of the Gang of Four's structural design patterns.

The facade pattern is a software engineering design pattern commonly used with Object-oriented programming. The name is by analogy to an architectural facade.

It is one of the Gang of Four's structural , first published in Gamma et al.'s book "Design Patterns: Elements of Reusable Object-Oriented Software".

From Wikipedia: The Facade pattern provides a unified interface to a set of interfaces in a subsystem. It defines a higher-level interface that makes the subsystem easier to use.

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Do ORM packages implement the Facade or Adapter pattern?

From my understanding the Adapter pattern is basically creating a wrapper on another class so that the class you are wrapping can be used by existing code. A facade is for changing an entire subsystem (so if you are dealing with a complicated…
Matthew Stopa
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JAVA Facade pattern, correct implementation?

I have a client like with a constructor which is quite lengthy in terms of the argument list , e.g, Class Client { private ServiceA _serviceA; private ServiceB _serviceB; .... private ServiceE _serviceE; public Client(ServiceA…
deGee
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Pathing issues in rails form_with for associated model

I am working on a project for which I have to analyse data inside a file, which the user should be able to upload. I have a model InputFile and chose to implement an analysis_facade for my Analysis model which bundles most of the functionality.…
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Get exception from Facade constructor when resolving controller

I have simple controller with one dependency public TestController(ITestFacade testFacade) { _testFacade = testFacade; } and simple facade public class TestFacade : ITestFacade { public TestFacade() { throw new…
Raptor
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In what scenario, you will choose Facade pattern and DI?

Please tell the real time scenario of Facade pattern and DI. Can I replace DI with Facade Pattern.
Brillian
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facade.edit does not change the database

I am working on a JSF project that deals with MySQL DB. in my backbean method I did: entityFacade.edit(entity object); after that I wanted to make sure of the changes, I queried my database to retrieve the edited record, However, the retrieved…
Lujain
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Linking container class properties to contained class properties

I'm working on a simulation of a cluster of solar panels (a system/container). The properties of this cluster are linked almost one-to-one to the properties of the elements -- the panels (subsystem/contained) -- via the number of elements per…
balletpiraat
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Laravel package development how do I use another facade in my package

I am creating my own Laravel package, in my package I have some views and I want to use the Form facade in one of my views, something like this: Form::open(). Is this possible, if so, how? This is my composer.json: { "name":…
Tom Bird
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Interfaces and Facade Design Patterns

I have been using a facade design pattern to group together all the administrative funcionality I need in my program. in my class library Company.Infrastructure.Repositories.Administration I have: [Pluggable("Default")] public class…
Peter
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Within an MVC architecture pattern, does it ever make sense to make a facade for a controller?

I am currently developing an application which has a service class that needs to post an order to an api and receive a response thats then validate. My question is would it make sense to create a static method on the controller in order to make the…
miguelsolano
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ConcurrentModificationException in facade implemention

I'm implementing this facade to wrap the LinkedList,TreeSet and HashSet classes in java. import java.util.Iterator; public class CollectionFacadeSet implements SimpleSet{ protected java.util.Collection collection; private…
tamir
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How can I make a facade that uses a class that requires several repositories in Laravel?

I have been using Laravel for almost a year now, but I am very new to creating my own packages and using Contracts, Repositories, Facades, etc..., so please bear with me. I have having issues understanding if I am registering a facade correctly in…
Aaron Adrian
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Can I have an interface in facade design pattern?

I want to know if I have a facade class, can I create an interface and have multiple implementations of the class. E.g.: interface IUserDetailFacade{} public class UserDetailsFacade implements IUserDetailFacade{} public class UserDetailsLdapFacade…
Mohan Seth
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What is the difference between Facade and Template Method Pattern in C#?

What is the difference between a Facade and a Template method pattern? Both of them provide high level views of the subsystem and hide it from the user. Facade Pattern internal class SubsystemA { internal string A1() { …
Lijin Durairaj
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IRepository, IService, Unity in an ASP.NET MVC Application, reference question

I'm new to Unity, but this question is more generic to IoC, and I’m pretty new to implementing IoC as a whole. I have VS2010 solution with this project structure (simplified slightly): Business Objects – Folder DomainModel (Class Lib prj.) –…
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