Elasticsearch 5.x Cookbook - Third Edition

Creating an analyzer plugin

Elasticsearch provides, out-of-the-box, a large set of analyzers and tokenizers to cover general needs. Sometimes we need to extend the capabilities of Elasticsearch by adding new analyzers.

Typically you can create an analyzer plugin when you need:

• To add standard Lucene analyzers/tokenizers not provided by Elasticsearch
• To integrate third-part analyzers
• To add custom analyzers

In this recipe we will add a new custom English analyzer similar to the one provided by Elasticsearch.

Getting ready

You need an up-and-running Elasticsearch installation as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.

A Maven tool, or an IDE that supports Java programming, such as Eclipse ...