private void purgeLuceneIndexes() {
FullTextEntityManager em =
Search.getFullTextEntityManager(
entityManagerFactory.createEntityManager());
try {
em.purgeAll(HAccount.class);
em.purgeAll(HGlossaryEntry.class);
em.purgeAll(HGlossaryTerm.class);
em.purgeAll(HProject.class);
em.purgeAll(HProjectIteration.class);
em.purgeAll(TransMemoryUnit.class);