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1.3.2. Apache Lucene and the Query Module

In order to perform querying on the entire data set stored in the distributed grid, Red Hat JBoss Data Grid utilizes the capabilities of the Apace Lucene indexing tool, as well as Hibernate Search.
  • Apache Lucene is a document indexing tool and search engine. JBoss Data Grid uses Apache Lucene 3.6.
  • JBoss Data Grid's Query Module is a toolkit based on Hibernate Search that reduces Java objects into a format similar to a document, which is able to be indexed and queried by Apache Lucene.
In JBoss Data Grid, the Query Module indexes keys and values annotated with Hibernate Search indexing annotations, then updates the index based in Apache Lucene accordingly.
Hibernate Search intercepts changes to entries stored in the data grid to generate corresponding indexing operations
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