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Understanding Spring boot & Layered Architecture in Spring Boot | #hindi #java #springboot #tcs
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Spring Boot Overview:
Spring Boot is a framework built on top of the Spring Framework that simplifies the development of stand-alone, production-ready Spring applications. It removes much of the boilerplate configuration required in traditional Spring applications by offering features such as auto-configuration, an embedded server (Tomcat, Jetty), and a wide range of pre-configured dependencies. Spring Boot is often used to create microservices, web applications, and RESTful APIs.
Layered Architecture of Spring Boot:
Spring Boot applications commonly follow a 4-layer architecture that adheres to the separation of concerns principle. These layers are:
1. Presentation Layer (Controller Layer):
Purpose: Handles HTTP requests and responses. This is where the user interacts with the application, typically through web interfaces or REST APIs.
Key Components:
Controller Classes: These classes handle incoming requests, process them using business logic (from the service layer), and return appropriate responses.
Spring MVC: Spring
@RestController and @RequestMapping are commonly used annotations in this layer.
2. Service Layer (Business Logic Layer):
Purpose: Contains the business logic and rules of the application. This layer processes the data sent by the controller and interacts with the repository layer when needed.
Key Components:
Service Classes: These contain the core business logic of the application.
Annotations: @Service annotation is used to mark the service classes.
Transactional Management: This layer often handles transactions, ensuring operations are completed successfully before committing to the database.
3. Repository Layer (Data Access Layer):
Purpose: Manages the interaction between the application and the database. This layer is responsible for CRUD (Create, Read, Update, Delete) operations.
Key Components:
Repository Classes: These classes interact directly with the database using Spring Data JPA or Hibernate.
Spring Data JPA: Simplifies data access by providing repository interfaces like CrudRepository and JpaRepository.
Annotations: @Repository is used to mark repository classes.
4. Database Layer:
Purpose: The actual database where application data is stored and retrieved. Spring Boot can connect to various databases (MySQL, PostgreSQL, MongoDB, etc.) through the repository layer.
Key Components:
Entity Classes: Represent the structure of data stored in the database, annotated with @Entity for ORM (Object Relational Mapping).
Database: The storage itself (SQL or NoSQL databases).
How These Layers Work Together:
1. User Request: A user sends a request (e.g., via a web page or API call).
2. Controller Layer: The request hits the controller, which maps it to a specific method.
3. Service Layer: The controller method calls the service layer to process the business logic.
4. Repository Layer: If data is needed from the database, the service layer interacts with the repository.
5. Database Layer: The repository fetches or updates data in the database.
6. Response: The processed data is returned through the layers back to the user.
This separation into layers makes applications modular, easy to maintain, and scalable.
Spring Boot, Spring Boot tutorial, Spring Boot layered architecture, Spring Boot architecture, Spring Boot best practices, Java Spring Boot, Spring Boot project structure, Spring framework, Spring Boot example, Spring Boot layers, Spring Boot presentation layer, Spring Boot business layer, Spring Boot persistence layer, Spring Boot database layer, Spring Boot development, Spring Boot guide
#SpringBoot #Java #LayeredArchitecture #SpringFramework #SoftwareDevelopment #Programming #Coding #TechTutorials #SpringBootTutorial #JavaDevelopment
Thanks for Watching 💫❤
Spring Boot Overview:
Spring Boot is a framework built on top of the Spring Framework that simplifies the development of stand-alone, production-ready Spring applications. It removes much of the boilerplate configuration required in traditional Spring applications by offering features such as auto-configuration, an embedded server (Tomcat, Jetty), and a wide range of pre-configured dependencies. Spring Boot is often used to create microservices, web applications, and RESTful APIs.
Layered Architecture of Spring Boot:
Spring Boot applications commonly follow a 4-layer architecture that adheres to the separation of concerns principle. These layers are:
1. Presentation Layer (Controller Layer):
Purpose: Handles HTTP requests and responses. This is where the user interacts with the application, typically through web interfaces or REST APIs.
Key Components:
Controller Classes: These classes handle incoming requests, process them using business logic (from the service layer), and return appropriate responses.
Spring MVC: Spring
@RestController and @RequestMapping are commonly used annotations in this layer.
2. Service Layer (Business Logic Layer):
Purpose: Contains the business logic and rules of the application. This layer processes the data sent by the controller and interacts with the repository layer when needed.
Key Components:
Service Classes: These contain the core business logic of the application.
Annotations: @Service annotation is used to mark the service classes.
Transactional Management: This layer often handles transactions, ensuring operations are completed successfully before committing to the database.
3. Repository Layer (Data Access Layer):
Purpose: Manages the interaction between the application and the database. This layer is responsible for CRUD (Create, Read, Update, Delete) operations.
Key Components:
Repository Classes: These classes interact directly with the database using Spring Data JPA or Hibernate.
Spring Data JPA: Simplifies data access by providing repository interfaces like CrudRepository and JpaRepository.
Annotations: @Repository is used to mark repository classes.
4. Database Layer:
Purpose: The actual database where application data is stored and retrieved. Spring Boot can connect to various databases (MySQL, PostgreSQL, MongoDB, etc.) through the repository layer.
Key Components:
Entity Classes: Represent the structure of data stored in the database, annotated with @Entity for ORM (Object Relational Mapping).
Database: The storage itself (SQL or NoSQL databases).
How These Layers Work Together:
1. User Request: A user sends a request (e.g., via a web page or API call).
2. Controller Layer: The request hits the controller, which maps it to a specific method.
3. Service Layer: The controller method calls the service layer to process the business logic.
4. Repository Layer: If data is needed from the database, the service layer interacts with the repository.
5. Database Layer: The repository fetches or updates data in the database.
6. Response: The processed data is returned through the layers back to the user.
This separation into layers makes applications modular, easy to maintain, and scalable.
Spring Boot, Spring Boot tutorial, Spring Boot layered architecture, Spring Boot architecture, Spring Boot best practices, Java Spring Boot, Spring Boot project structure, Spring framework, Spring Boot example, Spring Boot layers, Spring Boot presentation layer, Spring Boot business layer, Spring Boot persistence layer, Spring Boot database layer, Spring Boot development, Spring Boot guide
#SpringBoot #Java #LayeredArchitecture #SpringFramework #SoftwareDevelopment #Programming #Coding #TechTutorials #SpringBootTutorial #JavaDevelopment
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