private void shutdown() {
if (entityManager != null) {
try {
if (entityManager.getTransaction().isActive()) {
entityManager.getTransaction().rollback();
}
} finally {
entityManager.close();
entityManager = null;
}
}
if (entityManagerFactory != null) {
entityManagerFactory.getCache().evictAll();
entityManagerFactory.close();
entityManagerFactory = null;
}
// clean shutdown of derby
if (isDerby) {
try {
DriverManager.getConnection("jdbc:derby:;shutdown=true");
} catch (SQLException e) {
if (!e.getMessage().equals("Derby system shutdown.")) {
throw new RuntimeException(e);
}
}
}
}
/** Check if eviction of entity cache is working */
public String evict2LCCheck(String CACHE_REGION_NAME) {
EntityManager em = emf.createEntityManager();
Statistics stats = em.unwrap(Session.class).getSessionFactory().getStatistics();
stats.clear();
SecondLevelCacheStatistics emp2LCStats =
stats.getSecondLevelCacheStatistics(CACHE_REGION_NAME + "Employee");
try {
createEmployee(em, "Jan", "Ostrava", 20);
createEmployee(em, "Martin", "Brno", 30);
assertEquals(
"There are 2 puts in the 2LC" + generateEntityCacheStats(emp2LCStats),
2,
emp2LCStats.getPutCount());
assertTrue(
"Expected entities stored in the cache" + generateEntityCacheStats(emp2LCStats),
emp2LCStats.getElementCountInMemory() > 0);
// evict cache and check if is empty
emf.getCache().evictAll();
assertEquals(
"Expected no entities stored in the cache" + generateEntityCacheStats(emp2LCStats),
0,
emp2LCStats.getElementCountInMemory());
} catch (AssertionError e) {
return e.getMessage();
} finally {
em.close();
}
return "OK";
}