The high level design and description of software systems frequently characterized by having large quantities of persistent data that is accessed concurrently.

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Performing data operations that involve separate applications and data sources

I'm designing an enterprise application that produces output based on some input data from another application. In this case, I happen to have also built and thus do control the source application ...
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117 views

Service layer - fat service classes?

Let's say that I have a service for Job Offer entity in CRM app. Job offer is related to many many things, so there will be lot of methods on service layer to interact with above. What should be ...
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Best approach for managing users that are defined inside the active directory , inside my custom application

I want to start a new asp.net mvc5 Personal Appraisals web project. Now I will have a module inside the system for managing users, and adding info such as primary role, secondary role , main skills , ...
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107 views

How should a JEE application store credentials for logging in to an external system?

I am in a situation where I have a Web Application (WAR) that is accessing a REST service provided by another application. The REST service uses Basic HTTP Authentication. So that means the ...
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94 views

Event Sourcing for Enterprise Applications

Is it viable to store information a la event sourcing when dealing with large enterprise applications ? I know lokad has been using it for a long time, but they are not in the ERP business I have ...
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How is ORB distinct from an endpoint?

What, fundamentally, am I misunderstanding about how to use appclient? The Application Client Container (ACC) includes a set of Java classes, libraries, and other files that are required for ...
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DDD: How to reconcile a BoundedContext with REST/WebService DTO's?

I'm just starting to learn about DDD, and I'm trying to understand how Bounded Contexts can be reconciled with client facing API's like REST/WebServices that use DTO's. For example: your system ...
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88 views

Proper Architecture for DBContext and Migrations with Multiple Projects

I have multiple projects that will be using the same business objects (customer, order) but the projects operate in different databases within the organization and I would like to understand the ...
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94 views

does class reference itself static anti pattern in prism

I have an application and my desing approach look like this: class Manager { public int State; static Manager _instance = null; public static Manager Instance { get { return ...
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682 views

How to design a task scheduler (like cron) with a Calendar Queue

I've been working on a dynamic task scheduler based on a Calendar Queue structure and I've hit a bit of a wall. The Calendar Queue lets me enqueue and dequeue events, however I think I might not be ...