Overview

In this project, We will show how Spring boot can intract with Elasticsearch Engine using TransportClient. This project uses elasticsearch client jar 5.0.0 version with ElasticSearch Engine 5.5.0. Don't use ElasticSearch 5.x and above with spring-data-elasticsearch as it is not updated yet with If you want to see how spring-data-elasticsearch interact with Elasticsearch Engine, check this blog for details -https://www.rajeshbhojwani.co.in/2018/12/overview-elasticsearch-real-time.html

Step 1 Download the code from github

git clone https://github.com/RajeshBhojwani/spring-boot-standalone-elasticsearch.git

Step 2 Build the project

mvn clean install

Step 3 Launch the application

java -jar target\standalone-elasticsearch-0.0.1-SNAPSHOT.jar

Step 4 Use Curl or Postman to test the REST apis created.

APIs for ElastisearchTemplate usage

1. POST call for creating new Index "users", type "employee" and document. http://localhost:8102/rest/users/create

JSON data

{
  "userId":"1",
  "name": "Sumit",
   "userSettings": {
   	"gender" : "male",
   	"occupation" : "CA",
   	"hobby" : "chess"
   }
}

2. GET call to retrive particular User with id.

http://localhost:8102/rest/users/view/1

3. update field of the document by user id. http://localhost:8102/rest/users/update/1

4. delete field of the document by user id. http://localhost:8102/rest/users/delete/1

For detail explanation of this project check this blog - https://www.rajeshbhojwani.co.in/2018/12/spring-boot-elasticsearch.html