The Spring Data OpenSearch project provides Spring Data compatible integration with the OpenSearch search engine. Key functional areas of Spring Data OpenSearch are a POJO centric model for interacting with a OpenSearch Documents and easily writing a Repository style data access layer.
OpenSearch is essentially a fork of Elasticsearch, which itself started as a fork of Lucene.
Versions and clients compatibility matrix.
There are "Examples" using Spring Boot.
https://github.com/opensearch-project/spring-data-opensearch/