se.dibbler.backend.dao.bean.IndexDaoBean.java Source code

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Here is the source code for se.dibbler.backend.dao.bean.IndexDaoBean.java

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package se.dibbler.backend.dao.bean;

import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.hibernate.CacheMode;
import org.hibernate.Session;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;

/**
 *
 * @author Joakim Johansson (joakimjohansson@outlook.com)
 */
@Stateless
@LocalBean
public class IndexDaoBean {

    @PersistenceContext(unitName = "geomarket_PU")
    private EntityManager em;

    private final int BATCH_SIZE = 25;

    public void reIndex(Class clazz) {
        Session session = (Session) em.getDelegate();
        FullTextSession fullTextSession = Search.getFullTextSession(session);
        try {
            fullTextSession.createIndexer(clazz).batchSizeToLoadObjects(BATCH_SIZE).cacheMode(CacheMode.NORMAL)
                    .threadsToLoadObjects(5).threadsForSubsequentFetching(20).startAndWait();
        } catch (InterruptedException ex) {
            Logger.getLogger(IndexDaoBean.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

}