SpringData DynamoDB CRUD Example | SpringBoot
Tags: springdata, springboot, crud, dynamodb
Published: 2021-05-14 17:42:27

https://loizenai.com/spring-data-dynamodb-crud-example/

SpringData DynamoDB CRUD Example | SpringBoot

In tradition approach, implementing Data Access Layer makes lots of boilerplate code. Spring Data helps us improve our codes and reduce efforts for development and maintenance. It supports us the ways to write interface for repositories and custom finder methods, the implementation will be done automatically by Spring Framework. In this tutorial, we're gonna look at how to use Spring Data DynamoDB with Spring Boot.

- Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. 
- With DynamoDB, you can create database tables that can store and retrieve any amount of data and serve any level of request traffic.

Related Posts: 
- <a href="https://grokonez.com/spring-framework/spring-boot/spring-data-mongooperations-accessing-mongo-database">Spring MongoOperations to access MongoDB</a>
- <a href="https://grokonez.com/spring-framework/spring-boot/build-springboot-mongodb-restfulapi">How to build SpringBoot MongoDb RestfulApi</a>
- <a href="https://grokonez.com/spring-framework/spring-boot/how-to-use-springdata-mongorepository-to-interact-with-mongdb-springboot-application">How to use SpringData MongoRepository to interact with MongoDB</a>

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<h2 id="technology">Technology</h2>
- Java 1.8
- Maven 3.3.9
- Spring Tool Suite – Version 3.9.0.RELEASE
- Spring Boot: 1.5.9.RELEASE
<h2 id="goal">Goal</h2>
<img src="https://grokonez.com/wp-content/uploads/2017/12/spring-data-dynamodb-goal.png" alt="spring-data-dynamodb-goal" width="700" height="317" class="alignnone size-full wp-image-10184" />
<h2 id="project-structure">Project Structure</h2>
<img src="https://grokonez.com/wp-content/uploads/2017/12/spring-data-dynamodb-structure.png" alt="spring-data-dynamodb-structure" width="308" height="396" class="alignnone size-full wp-image-10185" />

- Class <strong>Customer</strong> corresponds to entity and table <strong>Customer</strong>.
- <strong>CustomerRepository</strong> is an interface extends <strong>CrudRepository</strong>, will be autowired in <strong>WebController</strong> for implementing repository methods and custom finder methods.
- <strong>WebController</strong> is a REST Controller which has request mapping methods for RESTful requests such as: save, delete, findall, findbyid, findbylastname.
- Configuration for DynamoDB properties in <strong>application.properties</strong>. The <code>accesskey</code> and <code>secretkey</code> are just arbitrary values and are not needed to actually authenticate when accessing local instance of DynamoDB. The properties will be dynamically pulled out in the <strong>DynamoDBConfig</strong>.
- <strong>Dependencies</strong> for <strong>Spring Boot</strong> and <strong>DynamoDB</strong> in <strong>pom.xml</strong>
<h2 id="create-springboot-project-dependency">Create Spring Boot project &amp; add Dependencies</h2>

More at:

https://loizenai.com/spring-data-dynamodb-crud-example/

SpringData DynamoDB CRUD Example | SpringBoot