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0
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0answers
25 views

Modelling network and persistent entity representations

I have an app where I need to synchronize some entities (simply download latest versions of entities from server to client). Entity has bunch of text properties and bunch of resource links (referenced ...
0
votes
3answers
103 views

How to restrict the violation of an N-Tier Architecture

Recently we fitted a 4-Tier Architecture in our project composed by the following four main layers : User Interface Layer. Data Access Layer. Domain Layer. Business Layer. All the layers fulfill ...
1
vote
2answers
283 views

Just one class - Java

I've written a program in Java, it's only fairly small and I started programming and ended up just building one big class with everything inside it. The program works fine and exactly how I wanted it ...
0
votes
1answer
44 views

How to avoid duplicating the domain model in a multi-language distributed application?

My team is currently working on a web platform and we are planning to divide the application in a set of independent services written in different languages, the problem is that these services rely on ...
2
votes
4answers
182 views

Basic OOP Question for a Report

I'm in development of a sample project in Android for a friend's phone that keeps track of his sales. At first, one of the requirements was to create yearly reports of this sales data. This would be ...
0
votes
3answers
131 views

“Property Container” design-pattern in-depth definition

Could anybody, please, explain what is a Property Container or at least where can I get information about that pattern on the Internet? I've found that it exists as one of the Fundamental patterns in ...
0
votes
1answer
57 views

How is MVC different from Layered

Based on this book , refering to pages 156 to 159 , it talks about the two different types of software architecture model : MVC & Layered . There are distributed system architecture patterns such ...
1
vote
0answers
46 views

Validation and Authorisation in Domain Models and Carrying that through a Service Layer to MVC

With the current project I'm working on there's an architecture question being asked which feels like it might just be asking too much. System Basics: HTML/JS MVVM Asp.net MVC Web Services EF SQL ...
1
vote
1answer
70 views

Data Access Layer for application

I am working on a retail application where currently I'm using raw SQL like insert into some_table values (Textbox1.Text, Textbox2.Text, ...) and update some_table set some_column = value for ...
2
votes
1answer
231 views

DDD: Domain Model Factory Design

I am trying to understand how and where to implement domain model factories. I have included my Company aggregate as a demo of how I have done it. I have included my design decisions at the end - I ...
2
votes
1answer
81 views

Providing an agnostic authorization system

I'm trying to design a small web platform that would host several "applications", with a common user pool. My reflection is now focused on the authorization system. I define an application as an ...
1
vote
0answers
32 views

SPA thin or thick architecture [duplicate]

I seek your advice on SPA (Single-page application) architecture. I'm building an SPA which edits a model. The models consists of objects which have a relation to one another. The objects (and ...
0
votes
1answer
98 views

Layer style applied, but intuition is different

Currently, I'm developing an architecture for a system of the following kind: There are a couple of existing applications (front end) with which one can define UML profiles capturing some specific ...
3
votes
1answer
170 views

Naming a sending/receiving module. Does the pattern have a name? [closed]

I'm working on a simple piece of functionality (actually a ruby gem, but that is beside the point) which can be used to receive and persist incoming messages send and persist outgoing messages ...
1
vote
1answer
2k views

Is the Entity Component System architecture object oriented by definition?

Is the Entity Component System architecture object oriented, by definition? It seems more procedural or functional to me. My opinion is that it doesn't prevent you from implementing it in an OO ...
0
votes
0answers
147 views

Pattern or solution for using classes with different interface the same way

What I would like to achieve is to use classes (now two, later more) with different interface the same way, so I would like avoid using decisions based on the interface on upper levels for instance, I ...
4
votes
1answer
361 views

What is a first class connector?

I was reading Towards Architecture-based Self-Healing Systems, and came upon the term first-class connectors. What are they? Searching some more finds this paper Systematic Construction of Software ...
6
votes
2answers
244 views

Is Haskell function composition an instance of pipe & filter architectural pattern

The pipe & filter architectural pattern is defined as a chain of processing elements, arranged so that the output of each element is the input of the next. Every example seems to consider ...
8
votes
5answers
493 views

Designing a robust architecture for multiple export types?

I'm looking for patterns or architectural guidance for an upcoming feature I'm designing. Basically, it's an export feature with multiple export targets, and I'm looking to find a way to make it ...
1
vote
1answer
85 views

Rules of thumb regarding breaking into sub-projects

We are building a Game Client and Server, our system is broken into four major projects: (Client and Server, Shared Interfaces, Source Art). In addition, both client and server have a set of libraries ...
2
votes
0answers
375 views

Acceptable placement of the composition root using dependency injection and inversion of control containers

I've read in several sources including Mark Seemann's 'Ploeh' blog about how the appropriate placement of the composition root of an IoC container is as close as possible to the entry point of an ...
4
votes
2answers
627 views

What is difference between publisher-subscriber and reactor patterns?

Publish-subscribe and Reactor patterns looking very similar to me. How they are different? In both patterns a message is getting passed to subscribers indirectly (listeners in reactor pattern). I ...
5
votes
2answers
685 views

Dependency Injection - Dependency Chain Pattern

On my last large project, I used dependency injection really heavily. I started out using constructor injection but even two or three dependencies resulted in really ugly code. public MyClass( ...
1
vote
1answer
1k views

Application Logic – which of the two definitions is correct?

This is my understanding of the Application Layer: • It implements Application logic • this layer contains Application Services, which are used by external consumers to talk to your application ...
-2
votes
2answers
123 views

Software patterns for frameworks [closed]

I am currently doing some research about software patterns and about architectural patterns for frameworks specifically. Google is not really showing off for this topic, so I am curious which ...
2
votes
1answer
317 views

Microkernel architectural pattern and applicability for business applications

We are in the business of building customizable web applications. We have the core team that provides what we call as the core platform (provides services like security, billing etc.) on top of which ...
2
votes
1answer
143 views

Patterns to refactor common code in multi-platform software

I have a Django application and a PyQt application that share a lot of code. A big chunk of the PyQt application are copied verbatim from the Django application's views. As this is a game, I have ...
4
votes
4answers
199 views

Help identify the pattern for reacting on updates

There's an entity that gets updated from external sources. Update events are at random intervals. And the entity has to be processed once updated. Multiple updates may be multiplexed. In other words ...
1
vote
2answers
243 views

Pattern(s) about hierarchical settings overwriting

Assume that you have a hierarchy of organizational units: - Company -- Branches --- Departments ---- Teams Lets say I have some settings (for simplicity assume that they have the same properties) ...
9
votes
5answers
594 views

OOP :What are some of the situations in which class based design is better than interface based one?

I was reading JDOM's website. Why is the JDOM API defined in terms of concrete classes rather than interfaces? Jason Hunter summarizes the arguments against an interface-based API for JDOM: ...
3
votes
3answers
289 views

Optimal communication pattern to update subscribers

What is the optimal way to update the subscriber's local model on changes C on a central model M? ( M + C -> M_c) The update can be done by the following methods: Publish the updated model M_c to ...
2
votes
1answer
382 views

CQRS and cache invalidation (while load balancing)

I'm slowly trying to migrate our web application to use CQRS principals. In particular, I have separated "write" and "read" interfaces into commands and queries. I have implemented a "reader" ...
6
votes
2answers
545 views

Static Analysis tools to detect architectural patterns

Currently for school we are working on a research project. The central question of this project is: Which architectural patterns can be detected using static code analysis? With architectural pattern ...
7
votes
3answers
323 views

Architecture of interaction modes (“paint tools”) for a 3D paint program

We are developing a Qt-based application to navigate through and paint on a volume treated as a 3D pixel graphic. The layout of the app consists of three orthogonal slice views on which the user may ...
0
votes
2answers
1k views

What are the current problems involved in software engineering programming patterns? [closed]

can someone suggest me the current problems in software engineering and the research links for it? i have some knowledge on MVVM being a pattern but i would like to know more about others and also ...
7
votes
2answers
486 views

How can I “get in the know”?

My company posted a job listing to get me a helper. A recruiter called me today and all he kept saying was "MVC this Entity Framework that..." - He sounded shocked when I said the project uses ...