/**
* Deletes the entity from the datastore and applies cascade rules.
*
* @param id the id of the entity to delete
* @throws HibernateException if there is an error in persistence
*/
public void delete(@Nonnull Integer id) throws HibernateException {
EntityManager em = getEntityManager();
try {
begin();
T_ENTITY entity = em.find(entityClass, id);
if (entity != null) {
LOG.debug("deleting entity " + entity.toString());
em.remove(entity);
}
commit();
} finally {
cleanup();
}
}
/**
* Deletes the entity from the datastore and applies cascade rules.
*
* @param entity the entity to delete
* @throws HibernateException if there is an error in persistence
*/
public void delete(@Nonnull T_ENTITY entity) throws HibernateException {
delete(entity.getId());
}
/** @param entities */
public List<T_ENTITY> persistCollection(Collection<T_ENTITY> entities) {
List<T_ENTITY> ret = new ArrayList<T_ENTITY>();
try {
EntityManager em = getEntityManager();
begin();
int count = 0;
for (T_ENTITY entity : entities) {
if (entity.getId() == 0) {
em.persist(entity);
} else {
entity = em.merge(entity);
}
ret.add(entity);
if (++count % 1000 == 0) {
em.flush();
em.clear();
}
}
commit();
} catch (ConstraintViolationException e) {
for (@SuppressWarnings("rawtypes") ConstraintViolation v : e.getConstraintViolations()) {
LOG.warn(
"ConstraintViolation for "
+ entityClass.getSimpleName()
+ " "
+ "[property: "
+ v.getPropertyPath().iterator().next().getName()
+ "]"
+ " "
+ "[message: "
+ v.getMessage()
+ "]"
+ " "
+ "[invalid value: "
+ v.getInvalidValue()
+ "]");
}
throw e;
} catch (PersistenceException e) { // wrapped in a Persistence Exception
if (e.getCause() instanceof ConstraintViolationException) {
ConstraintViolationException cve = (ConstraintViolationException) e.getCause();
for (@SuppressWarnings("rawtypes") ConstraintViolation v : cve.getConstraintViolations()) {
LOG.warn(
"ConstraintViolation for "
+ entityClass.getSimpleName()
+ " "
+ "[property: "
+ v.getPropertyPath().iterator().next().getName()
+ "]"
+ " "
+ "[message: "
+ v.getMessage()
+ "]"
+ " "
+ "[invalid value: "
+ v.getInvalidValue()
+ "]");
}
throw cve;
}
throw e;
} catch (Exception e) {
LOG.error("Error storing object to persistent storage: " + e.toString(), e);
throw new RuntimeException(e);
} finally {
cleanup();
}
return ret;
}
/**
* Persist or update the entity. Persist if the primary key is null update otherwise.
*
* @param entity the entity to persist
* @return the persisted unattached entity.
* @throws HibernateException if there is an error in persistence
*/
@Nonnull
public T_ENTITY saveOrUpdate(@Nonnull T_ENTITY entity) throws HibernateException {
try {
EntityManager em = getEntityManager();
begin();
if (entity.getId() == 0) {
em.persist(entity);
} else {
entity = em.merge(entity);
}
commit();
} catch (ConstraintViolationException e) {
for (@SuppressWarnings("rawtypes") ConstraintViolation v : e.getConstraintViolations()) {
LOG.warn(
"ConstraintViolation for "
+ entityClass.getSimpleName()
+ " "
+ "[property: "
+ v.getPropertyPath().iterator().next().getName()
+ "]"
+ " "
+ "[message: "
+ v.getMessage()
+ "]"
+ " "
+ "[invalid value: "
+ v.getInvalidValue()
+ "]");
}
throw e;
} catch (PersistenceException e) { // wrapped in a Persistence Exception
if (e.getCause() instanceof ConstraintViolationException) {
ConstraintViolationException cve = (ConstraintViolationException) e.getCause();
for (@SuppressWarnings("rawtypes") ConstraintViolation v : cve.getConstraintViolations()) {
LOG.warn(
"ConstraintViolation for "
+ entityClass.getSimpleName()
+ " "
+ "[property: "
+ v.getPropertyPath().iterator().next().getName()
+ "]"
+ " "
+ "[message: "
+ v.getMessage()
+ "]"
+ " "
+ "[invalid value: "
+ v.getInvalidValue()
+ "]");
}
throw cve;
}
throw e;
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
} finally {
cleanup();
}
return entity;
}