docs: Content SEO updates (#2990)

* update yaml frontmatter format

* update abstract document

* update abstract factory

* use the new pattern template

* acyclic visitor seo

* adapter seo

* ambassador seo

* acl seo

* aaa seo

* async method invocation seo

* balking seo

* bridge seo

* builder seo

* business delegate and bytecode seo

* caching seo

* callback seo

* chain seo

* update headings

* circuit breaker seo

* client session + collecting parameter seo

* collection pipeline seo

* combinator SEO

* command seo

* cqrs seo

* commander seo

* component seo

* composite seo

* composite entity seo

* composite view seo

* context object seo

* converter seo

* crtp seo

* currying seo

* dao seo

* data bus seo

* data locality seo

* data mapper seo

* dto seo

* decorator seo

* delegation seo

* di seo

* dirty flag seo

* domain model seo

* double buffer seo

* double checked locking seo

* double dispatch seo

* dynamic proxy seo

* event aggregator seo

* event-based asynchronous seo

* eda seo

* event queue seo

* event sourcing seo

* execute around seo

* extension objects seo

* facade seo

* factory seo

* factory kit seo

* factory method seo

* fanout/fanin seo

* feature toggle seo

* filterer seo

* fluent interface seo

* flux seo

* flyweight seo

* front controller seo

* function composition seo

* game loop seo

* gateway seo

* guarded suspension seo

* half-sync/half-async seo

* health check seo

* hexagonal seo

* identity map seo

* intercepting filter seo

* interpreter seo

* iterator seo

* layers seo

* lazy loading seo

* leader election seo

* leader/followers seo

* lockable object seo

* rename and add seo for marker interface

* master-worker seo

* mediator seo

* memento seo

* metadata mapping seo

* microservice aggregator seo

* api gw seo

* microservices log aggregration seo

* mvc seo

* mvi seo

* mvp seo

* mvvm seo

* monad seo

* monitor seo

* monostate seo

* multiton seo

* mute idiom seo

* naked objects & notification seo

* null object seo

* object mother seo

* object pool seo

* observer seo

* optimistic locking seo

* page controller seo

* page object seo

* parameter object seo

* partial response seo

* pipeline seo

* poison pill seo

* presentation model seo

* private class data seo

* producer-consumer seo

* promise seo

* property seo

* prototype seo

* proxy seo

* queue-based load leveling seo

* reactor seo

* registry seo

* repository seo

* RAII seo

* retry seo

* role object seo

* saga seo

* separated interface seo

* serialized entity seo

* serialized lob seo

* servant seo

* server session seo

* service layer seo

* service locator seo

* service to worker seo

* sharding seo

* single table inheritance seo

* singleton seo

* spatial partition seo

* special case seo

* specification seo

* state seo

* step builder seo

* strangler seo

* strategy seo

* subclass sandbox seo

* table module seo

* template method seo

* throttling seo

* tolerant reader seo

* trampoline seo

* transaction script seo

* twin seo

* type object seo

* unit of work seo

* update method seo

* value object seo

* version number seo

* virtual proxy seo

* visitor seo

* seo enhancements

* seo improvements

* SEO enhancements

* SEO improvements

* SEO additions

* SEO improvements

* more SEO improvements

* rename hexagonal + SEO improvements

* SEO improvements

* more SEO stuff

* SEO improvements

* SEO optimizations

* SEO enhancements

* enchance SEO

* improve SEO

* SEO improvements

* update headers
This commit is contained in:
Ilkka Seppälä
2024-06-08 19:54:44 +03:00
committed by GitHub
parent cb946c0cdc
commit 6cd2d0353a
219 changed files with 3308 additions and 2819 deletions
+21 -19
View File
@@ -1,28 +1,30 @@
---
title: Model-View-Intent
title: "Model-View-Intent Pattern in Java: Building Robust and Scalable Java UIs with MVI"
shortTitle: Model-View-Intent (MVI)
description: "Discover the Model-View-Intent (MVI) pattern for Java applications. Learn how MVI enhances UI predictability, maintainability, and state management through unidirectional data flow. Explore real-world examples and implementation details."
category: Architectural
language: en
tags:
- Abstraction
- Decoupling
- Presentation
- Reactive
- State tracking
- Abstraction
- Decoupling
- Presentation
- Reactive
- State tracking
---
## Also known as
* MVI
## Intent
## Intent of Model-View-Intent Design Pattern
To create a unidirectional and cyclical data flow between the Model, View, and Intent components, enhancing predictability and maintainability in user interface logic.
The Model-View-Intent (MVI) pattern for Java applications creates a unidirectional and cyclical data flow between the Model, View, and Intent components, enhancing UI predictability and state management.
## Explanation
## Detailed Explanation of Model-View-Intent Pattern with Real-World Examples
Real-world example
> Consider a real-world analogy of the Model-View-Intent (MVI) pattern using the scenario of ordering at a fast-food restaurant.
> Consider a real-world analogy of the Model-View-Intent (MVI) pattern in Java using the scenario of ordering at a fast-food restaurant to understand its application in enhancing UI state management.
>
> In this analogy:
> - **Model:** It's like the kitchen of the restaurant, where the current state of your order is managed. As you choose items, the kitchen updates the order status and ingredients used.
@@ -35,9 +37,9 @@ In plain words
> The Model-View-Intent (MVI) pattern is a reactive architectural approach where user actions (Intent) modify the application state (Model), and the updated state is then reflected back in the user interface (View) in a unidirectional and cyclical data flow.
**Programmatic Example**
## Programmatic Example of Model-View-Intent Pattern in Java
The Model-View-Intent (MVI) pattern is a modern approach to structuring your application's logic. It's a variation of the Model-View-Presenter (MVP) and Model-View-ViewModel (MVVM) patterns, but with a more streamlined flow of data and events.
The Model-View-Intent (MVI) pattern for Java is a modern approach to structuring your application's logic, ensuring a smooth, unidirectional flow of data and events. It's a variation of the Model-View-Presenter (MVP) and Model-View-ViewModel (MVVM) patterns, but with a more streamlined flow of data and events.
In MVI, the View sends user events to the Intent. The Intent translates these events into a state change in the Model. The Model then pushes this new state to the View, which updates itself accordingly. This creates a unidirectional data flow, which can make your code easier to understand and debug.
@@ -182,22 +184,22 @@ public class SetVariableEvent implements UserEvent {
This example demonstrates the key aspects of the MVI pattern: unidirectional data flow, clear separation of concerns, and the use of events to drive changes in the Model's state.
## Applicability
## When to Use the Model-View-Intent Pattern in Java
* Useful in applications with complex user interfaces that require a clear separation of concerns and predictable state management.
* The MVI pattern is useful in Java applications with complex user interfaces that require a clear separation of concerns, predictable state management, and enhanced maintainability.
* Often applied in reactive programming environments to ensure a smooth data flow and state consistency.
## Tutorials
## Model-View-Intent Pattern Java Tutorials
* [Model View Intent: a new Android Architecture Pattern (Apium Academy)](https://apiumacademy.com/blog/model-view-intent-pattern/)
* [MVI Architecture for Android Tutorial: Getting Started (Kodeco)](https://www.kodeco.com/817602-mvi-architecture-for-android-tutorial-getting-started)
## Known uses
## Real-World Applications of Model-View-Intent Pattern in Java
* Widely adopted in reactive and event-driven Java applications, particularly those using frameworks like RxJava or Project Reactor.
* Used in Android development, especially with libraries that support reactive programming such as RxJava and LiveData.
## Consequences
## Benefits and Trade-offs of Model-View-Intent Pattern
Benefits:
@@ -211,13 +213,13 @@ Trade-offs:
* Requires familiarity with reactive programming paradigms.
* Can lead to boilerplate code if not managed properly.
## Related patterns
## Related Java Design Patterns
[Model-View-ViewModel (MVVM)](https://java-design-patterns.com/patterns/model-view-viewmodel/): Shares a similar goal of separating the view from the model but differs as MVI introduces a cyclical data flow.
[Model-View-Controller (MVC)](https://java-design-patterns.com/patterns/model-view-controller/): MVI can be seen as an evolution of MVC, focusing more on reactive programming and unidirectional data flow.
[Observer](https://java-design-patterns.com/patterns/observer/): Essential in MVI to observe changes in the Model and update the View accordingly.
## Credits
## References and Credits
* [Functional and Reactive Domain Modeling](https://amzn.to/4adghJ8)
* [Reactive Programming with RxJava: Creating Asynchronous, Event-Based Applications](https://amzn.to/4dxwawC)