What are the components of the 4 1 architectural view model?

The four views of the model are logical, development, process and physical view. In addition, selected use cases or scenarios are used to illustrate the architecture serving as the ‘plus one’ view.

What do you mean by architecture explain 4 1 View architecture?

The four views are: logical, process, development, and physical. The +1 is the scenarios. The scenarios are at the center of the model. The logical view is a view of the important classes and relationships.

What are the elements of Kruchten’s 4 1 architecture description model What does each element tell us?

4+1 views model is an information organization framework; it includes logical, process, development, physical layout and end-user perspective information of an application. A view is an aspect (subpart) of information. A notion is a way of representing information.

Why it is called 4 1 view model?

It was developed in 1995 by Philippe Kruchten, formerly the Director of Process Development at Rational Software. The 4 + 1 View Model gets its name from the 4 primary views and 1 supporting view that are used to capture and communicate different aspects of the system.

What is the difference between styles & patterns?

Styles generally provide guidance and analysis for building a broad class of architectures in a specific domain whereas patterns focus on solving smaller, more specific problems within a given style (or perhaps multiple styles).

Why do we model UML?

We build models to communicate the desired structure and behavior of our system. We build models to visualize and control the system’s architecture. We build models to better understand the system we are building, often exposing opportunities for simplification and reuse. And we build models to manage risk.”

What is meant by view model?

The ViewModel class is designed to store and manage UI-related data in a lifecycle conscious way. The ViewModel class allows data to survive configuration changes such as screen rotations. … The Android framework manages the lifecycles of UI controllers, such as activities and fragments.