All Questions
18 questions
0votes
0answers
251views
better structure of a software project to prevent circular dependencies
I am contacting you today regarding a recent problem with circular dependencies. It's about a Spring boot application that accepts data via a Rest API and then forwards it to an internal Spring ...
- 77
0votes
0answers
205views
How to handle dependency injection in a library to avoid frequent breaking changes?
Let's say I have a C# .NET library with the following classes: public class FooService { private readonly IDependencyA a; public FooService(IDependencyA a) { this.a = a; } ...
- 127
1vote
2answers
205views
Why do we separate interface when implementing interface injection variant of DI?
With interface injection (wikpedia) we have a method to set the dependency on the client as part of an interfase. public interface ServiceSetter { public void setService(Service service); } Why ...
0votes
3answers
662views
Java Library - How to do Pure Dependency Injection When State is a Factor?
To set the stage, I am trying to do pure dependency injection for a Java Library I am creating to make it more testable. As it is a library, I want to do pure dependency injection without creating a ...
0votes
0answers
108views
How to design for optional dependency / optional functionality
Let's say for a Net Core library that I will deliver to the customer The library define a Interface like IGetData and also a default GetData class. The library also define a ICacher interface with a ...
- 131
8votes
6answers
2kviews
I need help solving a common architectural problem with multiple concrete classes implementing an interface
I have a common issue I encounter which I've solved with a Factory class in the past but it always felt a little "off". Let's say I have multiple Exporter classes which implement IExporter, which has ...
- 337
2votes
4answers
188views
Make a class depends on its own ports instead of injecting dependency interfaces
I just have an idea about dependency management in Spring IOC environment that seems to be better than the typical approach, but I am not sure because I can't find any references or example out there ...
- 193
49votes
3answers
9kviews
Using a "Pass-through (God) Service" is bad, right? [duplicate]
My team has developed a new service layer in our application. They created a bunch of services that implement their interfaces (E.g., ICustomerService, IUserService, etc). That's pretty good so far. ...
- 495
0votes
2answers
532views
Design issue with delegation, inheritance and dependency injection
My question relates to usage of delegation together with inheritance and dependency injection. I have a MailerService class that requires a delegate in order to do its job. Furthermore, I have a ...
- 191
3votes
4answers
685views
Circular Interface references
I've heard circular references are generally an issue, however I was wondering if this was true for interfaces that reference other interfaces, for example: IQuestion{ IAnswer getCorrectAnswer(); ...
1vote
1answer
336views
Passing ServiceLayer's services to WCF service
I want to expose my business logic via WCF service in the intranet environment. I have N-tier architecture, pretty simple: Database -> .Data (DAL) -> .Business (Service Layer) -> WCF So, far I have ...
- 29
2votes
1answer
259views
How to add extra functionality to an existing method class dynamically with DI?
I am looking for the best pattern to apply in my problem. I have an interface that defines my service class functionality interface NegotiationInterface { abstract public function ...
- 121
1vote
1answer
2kviews
Service locator vs Dependency Injection?
I have a class which acts as a Adaptor between an HTTP request and our Application's custom domain request. So every Http request element: URI, headers, content are mapped to our customized domain ...
4votes
1answer
253views
Does an IoC Container affect the design of an application using Dependency Injection?
Is it safe to say that a Container is the "program" or mechanism that manages IoC via DI, but it doesn't really change your initial design of DI to accomplish loose coupling? In other words, if I ...
- 3,679
3votes
0answers
579views
Mocking third party web service
I am working on a project to create a wrapper library which will be used to interact with a web service provided by the client's IT team. The reason for this library is that we interact with this ...
- 1,250
