public static List<Trade> getOldVersionList(Trade trade) {
Session session = HibernateUtil.getSession();
List<Trade> result = new ArrayList<>();
try {
if (trade != null) {
result.add(trade);
AuditReader reader = AuditReaderFactory.get(session);
List<Object[]> prior_revision =
(List<Object[]>)
reader
.createQuery()
.forRevisionsOfEntity(trade.getClass(), false, true)
.add(AuditEntity.property("tradeVersion").lt(trade.getTradeVersion()))
.add(AuditEntity.id().eq(trade.getId()))
.addOrder(AuditEntity.revisionNumber().desc())
.getResultList();
for (Object[] objects : prior_revision) {
Trade version = (Trade) objects[0];
unProxyObject(version);
result.add(version);
}
}
} catch (ClassNotFoundException
| IllegalAccessException
| HibernateException
| IllegalArgumentException
| InvocationTargetException e) {
logger.error(StringUtils.formatErrorMessage(e));
} finally {
session.close();
}
return result;
}
/** Test of unLazyObjectRecursively method, of class AuditAccessor. */
@Test
public void testUnLazyObjectRecursively_Object_int() throws Exception {
System.out.println("unLazyObjectRecursively");
Trade trade =
(Trade)
HibernateUtil.getObjectWithQuery(
"from Trade t where t.tradeId in (select min(tradeId) from Trade)");
AuditAccessor.unLazyObjectRecursively(trade, 5);
assertNotNull("failed lazy loading trade", trade);
}
/** Test of unProxyObject method, of class AuditAccessor. */
@Test
public void testUnProxyObject() throws Exception {
System.out.println("unProxyObject");
Trade trade =
(Trade)
HibernateUtil.getObjectWithQuery(
"from Trade t where t.tradeId in (select min(tradeId) from Trade)");
AuditAccessor.unProxyObject(trade);
assertNotNull(" failed unproxying trade", trade);
}
/** Test of getPreviousVersion method, of class AuditAccessor. */
@Test
public void testGetPreviousVersion() {
System.out.println("getPreviousVersion");
Trade entity =
(Trade)
HibernateUtil.getObjectWithQuery(
"from Trade t where t.tradeId in (select min(tradeId) from Trade)");
Trade result = AuditAccessor.getPreviousVersion(entity);
assertNotNull(" trade version not found", result);
}
/** Test of getOldVersionList method, of class AuditAccessor. */
@Test
public void testGetOldVersionList() {
System.out.println("getOldVersionList");
Trade trade =
(Trade)
HibernateUtil.getObjectWithQuery(
"from Trade t where t.tradeId in (select min(tradeId) from Trade)");
List<Trade> result = AuditAccessor.getOldVersionList(trade);
assertNotNull(" trade versions not found", result);
assertFalse(" trade versions not found", result.isEmpty());
}
public static Trade getPreviousVersion(Trade entity) {
Session session = HibernateUtil.getSession();
Trade trade = null;
try {
List<Trade> oldVersionList = getOldVersionList(entity);
if (!oldVersionList.isEmpty()) {
trade = oldVersionList.get(0);
}
if (trade != null) {
unProxyObject(trade);
}
} catch (IllegalAccessException
| IllegalArgumentException
| InvocationTargetException
| HibernateException
| ClassNotFoundException e) {
logger.error(StringUtils.formatErrorMessage(e));
} finally {
session.close();
}
return trade;
}
/**
* @param proxy
* @return
* @throws ClassNotFoundException
*/
public static Object loadLazyObject(HibernateProxy proxy) throws ClassNotFoundException {
LazyInitializer init = proxy.getHibernateLazyInitializer();
logger.debug(init.getEntityName() + StringUtils.SPACE + init.getIdentifier());
return HibernateUtil.getObject(Class.forName(init.getEntityName()), init.getIdentifier());
}
