le pro

1605372528

Spring Boot Pagination and Sorting Example | Spring RestAPIs + Spring JPA using Pageable

https://loizenai.com/spring-boot-tutorial-pagination-filtering-and-sorting-example/

When we have a large dataset and we want to present it to the user in smaller chunks, pagination and sorting is often helpful solution. So in the tutorial, I introduce how to build “Spring Boot Pagination and Sorting Example” use Spring JPA APIs of PagingAndSortingRepository to do the task with SpringBoot project example.

Youtube Video Guide – How to implement SpringBoot Pagination RestAPI

https://youtu.be/5fNK5lrj-X0

Goal – Spring Boot Pagination and Sorting Example

We create a ‘SpringBoot Pagination and Sorting Example’ project as below struture:

SpringBoot Pagination and Sorting Example

– Paging Request:

paging request

– Pagination and Sorting request:

Pagination and Sorting request

Sourcecode on Github:

https://github.com/loizenai/SpringBoot-Tutorials/tree/master/SpringBootPaginationFilteringSortingRestAPIs

Related posts

  1. SpringBoot Token Based Authentication Example
    https://loizenai.com/spring-boot-security-jwt-token-bsed-authentication-example-mysql-spring-jpa-restapis/

  2. Angular 10 + Spring Boot JWT Token Based Authentication Example – Spring Security + MySQL
    https://loizenai.com/angular-10-spring-boot-jwt-token-based-authentication-example-spring-security-mysql-database/

  3. SpringBoot Upload Download Multiple Files with Rest API + Ajax Tutorial
    https://loizenai.com/springboot-upload-download-multiple-files-with-rest-api-ajax/

#springboot #pagination #sorting

What is GEEK

Buddha Community

Spring Boot Pagination and Sorting Example | Spring RestAPIs + Spring JPA using Pageable

Spring Boot Pagination and Sorting Example | Spring RestAPIs + Spring JPA using Pageable

https://loizenai.com/spring-boot-tutorial-pagination-filtering-and-sorting-example/

When we have a large dataset and we want to present it to the user in smaller chunks, pagination and sorting is often helpful solution. So in the tutorial, I introduce how to build “Spring Boot Pagination and Sorting Example” use Spring JPA APIs of PagingAndSortingRepository to do the task with SpringBoot project example.

Springboot Pagination

Youtube: https://youtu.be/5fNK5lrj-X0
Link post: https://loizenai.com/spring-boot-tutorial-pagination-filtering-and-sorting-example/

#springboot #pagination #restapi #sorting #springjpa

Dev Life

1609494732

Spring Boot Pagination & Filter example | Spring JPA, Pageable

In this tutorial, I will continue to make Server side Pagination and Filter with Spring Data JPA and Pageable.

Full Article: https://bezkoder.com/spring-boot-pagination-filter-jpa-pageable/

For MongoDB database:
Spring Boot MongoDB Pagination & Filter example with Spring Data

Spring Boot Pagination & Filter example overview

One of the most important things to make a website friendly is the response time, and pagination comes for this reason. For example, this bezkoder.com website has hundreds of tutorials, and we don't want to see all of them at once. Paging means displaying a small number of all, by a page.

Assume that we have tutorials table in database like this:

spring-boot-pagination-filter-example-spring-jpa-pageable-table

Here are some url samples for pagination (with/without filter):

  • /api/tutorials?page=1&size=5
  • /api/tutorials?size=5: using default value for page
  • /api/tutorials?title=data&page=1&size=3: pagination & filter by title containing 'data'
  • /api/tutorials/published?page=2: pagination & filter by 'published' status

This is structure of the Server side pagination result that we want to get from the APIs:

{
    "totalItems": 8,
    "tutorials": [...],
    "totalPages": 3,
    "currentPage": 1
}

Read Tutorials with default page index (0) and page size (3):

spring-boot-pagination-filter-example-spring-jpa-pageable-default

Indicate page index = 2 but not specify size (default: 3) for total 8 items:

  • page_0: 3 items
  • page_1: 3 items
  • page_2: 2 items

spring-boot-pagination-filter-example-spring-jpa-pageable-page

Indicate size = 5 but not specify page index (default: 0):

spring-boot-pagination-filter-example-spring-jpa-pageable-size

For page index = 1 and page size = 5 (in total 8 items):

spring-boot-pagination-filter-example-spring-jpa-pageable-page-size

Pagination and filter by title that contains a string:

spring-boot-pagination-filter-example-spring-jpa-pageable-title

Pagination and filter by published status:

spring-boot-pagination-filter-example-spring-jpa-pageable-status

For more details, implementation and source code, please visit:
https://bezkoder.com/spring-boot-pagination-filter-jpa-pageable/

Further Reading

To bring pagination and sorting together, please visit:
Spring Boot Pagination and Sorting example

Handle Exception for this Rest APIs is necessary:
Spring Boot @ControllerAdvice & @ExceptionHandler example

You can also know how to deploy this Spring Boot App on AWS (for free) with this tutorial.

React Pagination Client that works with this Server:
React Pagination with API using Material-UI

Alt Text

Angular Client working with this server:

Or Vue Client:

Happy learning! See you again.

#spring #spring-boot #pagination #spring-data #web-development #java

le pro

1605372528

Spring Boot Pagination and Sorting Example | Spring RestAPIs + Spring JPA using Pageable

https://loizenai.com/spring-boot-tutorial-pagination-filtering-and-sorting-example/

When we have a large dataset and we want to present it to the user in smaller chunks, pagination and sorting is often helpful solution. So in the tutorial, I introduce how to build “Spring Boot Pagination and Sorting Example” use Spring JPA APIs of PagingAndSortingRepository to do the task with SpringBoot project example.

Youtube Video Guide – How to implement SpringBoot Pagination RestAPI

https://youtu.be/5fNK5lrj-X0

Goal – Spring Boot Pagination and Sorting Example

We create a ‘SpringBoot Pagination and Sorting Example’ project as below struture:

SpringBoot Pagination and Sorting Example

– Paging Request:

paging request

– Pagination and Sorting request:

Pagination and Sorting request

Sourcecode on Github:

https://github.com/loizenai/SpringBoot-Tutorials/tree/master/SpringBootPaginationFilteringSortingRestAPIs

Related posts

  1. SpringBoot Token Based Authentication Example
    https://loizenai.com/spring-boot-security-jwt-token-bsed-authentication-example-mysql-spring-jpa-restapis/

  2. Angular 10 + Spring Boot JWT Token Based Authentication Example – Spring Security + MySQL
    https://loizenai.com/angular-10-spring-boot-jwt-token-based-authentication-example-spring-security-mysql-database/

  3. SpringBoot Upload Download Multiple Files with Rest API + Ajax Tutorial
    https://loizenai.com/springboot-upload-download-multiple-files-with-rest-api-ajax/

#springboot #pagination #sorting

I Dev

1608437416

Spring Boot JPA + H2 example: Build a CRUD Rest APIs

In this tutorial, we’re gonna build a Spring Boot Rest CRUD API example with Maven that use Spring Data JPA to interact with H2 database. You’ll know:

  • How to configure Spring Data, JPA, Hibernate to work with Database
  • How to define Data Models and Repository interfaces
  • Way to create Spring Rest Controller to process HTTP requests
  • Way to use Spring Data JPA to interact with H2 Database

For more details, please visit:
https://bezkoder.com/spring-boot-jpa-h2-example/

Overview of Spring Boot JPA + H2 example

We will build a Spring Boot Rest Apis using Spring Data JPA with H2 Database for a Tutorial application in that:

  • Each Tutotial has id, title, description, published status.
  • Apis help to create, retrieve, update, delete Tutorials.
  • Apis also support custom finder methods such as find by published status or by title.

These are APIs that we need to provide:

  • POST /api/tutorials: create new Tutorial
  • GET /api/tutorials: retrieve all Tutorials
  • GET /api/tutorials/[id]: retrieve a Tutorial by :id
  • PUT /api/tutorials/[id]: update a Tutorial by :id
  • DELETE /api/tutorials/[id]: delete a Tutorial by :id
  • DELETE /api/tutorials: delete all Tutorials
  • GET /api/tutorials/published: find all published Tutorials
  • GET /api/tutorials?title=[keyword]: find all Tutorials which title contains keyword

– We make CRUD operations & finder methods with Spring Data JPA’s JpaRepository.
– The database will be H2 Database (in memory or on disk) by configuring project dependency & datasource.

Technology

  • Java 8
  • Spring Boot 2.4 (with Spring Web MVC, Spring Data JPA)
  • H2 Database
  • Maven 3.6.1

Project Structure

spring-boot-jpa-h2-database-example-crud-project-structure

Let me explain it briefly.

Tutorial data model class corresponds to entity and table tutorials.
TutorialRepository is an interface that extends JpaRepository for CRUD methods and custom finder methods. It will be autowired in TutorialController.
TutorialController is a RestController which has request mapping methods for RESTful requests such as: getAllTutorials, createTutorial, updateTutorial, deleteTutorial, findByPublished
– Configuration for Spring Datasource, JPA & Hibernate in application.properties.
pom.xml contains dependencies for Spring Boot and H2 Database.

Source Code

For more details, implementation and Github, please visit:
https://bezkoder.com/spring-boot-jpa-h2-example/

Using other databases:
Spring JPA + PostgreSQL
Spring JPA + MySQL
Spring Data + MongoDB

If you want to add Pagination to this Spring project, you can find the instruction at:
Spring Boot Pagination & Filter example | Spring JPA, Pageable

To sort/order by multiple fields:
Spring Data JPA Sort/Order by multiple Columns | Spring Boot

Handle Exception for this Rest APIs is necessary:
Spring Boot @ControllerAdvice & @ExceptionHandler example
@RestControllerAdvice example in Spring Boot

Or way to write Unit Test for the JPA Repository:
Spring Boot Unit Test for JPA Repositiory with @DataJpaTest

#java #spring #spring-boot #h2 #spring-framework #jpa

Were  Joyce

Were Joyce

1620751200

How to Configure the Interceptor With Spring Boot Application

In the video in this article, we take a closer look at how to configure the interceptor with the Spring Boot application! Let’s take a look!

#spring boot #spring boot tutorial #interceptor #interceptors #spring boot interceptor #spring boot tutorial for beginners