@SuppressWarnings("unchecked")
public <T> T getReference(Class<T> entityClass, Object primaryKey) {
try {
return (T) getSession().load(entityClass, (Serializable) primaryKey);
} catch (MappingException e) {
throw new IllegalArgumentException(e.getMessage(), e);
} catch (TypeMismatchException e) {
throw new IllegalArgumentException(e.getMessage(), e);
} catch (ClassCastException e) {
throw new IllegalArgumentException(e.getMessage(), e);
} catch (HibernateException he) {
throw convert(he);
}
}
public <A> A find(
Class<A> entityClass,
Object primaryKey,
LockModeType lockModeType,
Map<String, Object> properties) {
CacheMode previousCacheMode = getSession().getCacheMode();
CacheMode cacheMode = determineAppropriateLocalCacheMode(properties);
LockOptions lockOptions = null;
try {
getSession().setCacheMode(cacheMode);
if (lockModeType != null) {
return (A)
getSession()
.get(
entityClass,
(Serializable) primaryKey,
getLockRequest(lockModeType, properties));
} else {
return (A) getSession().get(entityClass, (Serializable) primaryKey);
}
} catch (ObjectDeletedException e) {
// the spec is silent about people doing remove() find() on the same PC
return null;
} catch (ObjectNotFoundException e) {
// should not happen on the entity itself with get
throw new IllegalArgumentException(e.getMessage(), e);
} catch (MappingException e) {
throw new IllegalArgumentException(e.getMessage(), e);
} catch (TypeMismatchException e) {
throw new IllegalArgumentException(e.getMessage(), e);
} catch (ClassCastException e) {
throw new IllegalArgumentException(e.getMessage(), e);
} catch (HibernateException he) {
throw convert(he, lockOptions);
} finally {
getSession().setCacheMode(previousCacheMode);
}
}