3.7. Enabling Hibernate Search and automatic indexing

3.7.1. Enabling Hibernate Search

Hibernate Search is enabled out of the box when using Hibernate Annotations or Hibernate EntityManager. If, for some reason you need to disable it, set hibernate.search.autoregister_listeners to false. Note that there is no performance penalty when the listeners are enabled even though no entities are indexed.
To enable Hibernate Search in Hibernate Core (ie. if you do not use Hibernate Annotations), add the FullTextIndexEventListener for the following six Hibernate events.

Example 3.9. Explicitly enabling Hibernate Search by configuring the FullTextIndexEventListener

<hibernate-configuration>
     <session-factory>
        ...
        <event type="post-update"/>
            <listener class="org.hibernate.search.event.FullTextIndexEventListener"/>
        </event>
        <event type="post-insert"/>
            <listener class="org.hibernate.search.event.FullTextIndexEventListener"/>
        </event>
        <event type="post-delete"/>
            <listener class="org.hibernate.search.event.FullTextIndexEventListener"/>
        </event>
        <event type="post-collection-recreate"/>
            <listener class="org.hibernate.search.event.FullTextIndexEventListener"/>
        </event>
        <event type="post-collection-remove"/>
            <listener class="org.hibernate.search.event.FullTextIndexEventListener"/>
        </event>
        <event type="post-collection-update"/>
            <listener class="org.hibernate.search.event.FullTextIndexEventListener"/>
        </event>
    </session-factory>
</hibernate-configuration>