O'Reilly logo

Elasticsearch Essentials by Bharvi Dixit

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Search requests using Java

While it's easy to write a JSON query and directly use it with the Python client, using Java client requires a bit of expertise to create queries using Elasticsearch Java APIs.

In Java, there is the QueryBuilder class that helps you in constructing queries. Once the queries are created, you can execute that query with the client's prepareSearch method.

First of all, you need the following imports in your code:

import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.SearchHit;

Then you can start building queries and executing them:

QueryBuilder query = QueryBuilders.termQuery("screen_name", "d_bharvi"); SearchResponse response = client.prepareSearch() ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required