/**
* Remove the id (pk) of every children and stores it to the returned list.
*
* @param children
* @return The list of (old) ids of the children.
*/
protected List<Serializable> beforeSave(
final Collection<? extends BaseDO<? extends Serializable>> children) {
if (children == null || children.size() == 0) {
return null;
}
final List<Serializable> idList = new ArrayList<Serializable>(children.size());
for (final BaseDO<?> child : children) {
idList.add(child.getId());
child.setId(null);
}
return idList;
}
/**
* Registers all children with their old and new id.
*
* @param children
* @param oldIdList The returned list of beforeSave(...) method.
*/
protected void afterSave(
final Collection<? extends BaseDO<? extends Serializable>> children,
final List<Serializable> oldIdList) {
if (oldIdList == null) {
return;
}
final Iterator<Serializable> oldIdListIterator = oldIdList.iterator();
final Iterator<? extends BaseDO<?>> childIterator = children.iterator();
while (oldIdListIterator.hasNext() == true) {
final BaseDO<?> child = childIterator.next();
registerEntityMapping(child.getClass(), oldIdListIterator.next(), child.getId());
}
}
/**
* @param obj
* @return
*/
public static <T extends Serializable> void setIdentifier(final BaseDO<T> obj, final T value) {
if (Hibernate.isInitialized(obj) == true) {
obj.setId(value);
} else if (obj instanceof DefaultBaseDO) {
((DefaultBaseDO) obj).setId((Integer) value);
} else if (obj instanceof AccessEntryDO) {
((AccessEntryDO) obj).setId((Integer) value);
} else if (obj instanceof Kost2ArtDO) {
((Kost2ArtDO) obj).setId((Integer) value);
} else if (obj instanceof KundeDO) {
((KundeDO) obj).setId((Integer) value);
} else if (obj instanceof UserPrefEntryDO) {
((UserPrefEntryDO) obj).setId((Integer) value);
} else {
log.error(
"Couldn't set the identifier of the given object for class: " + obj.getClass().getName());
}
}
/**
* Workaround for: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3502:
*
* @param obj
* @return
*/
public static Serializable getIdentifier(final BaseDO<?> obj) {
if (Hibernate.isInitialized(obj) == true) {
return ((BaseDO<?>) obj).getId();
} else if (obj instanceof DefaultBaseDO) {
return ((DefaultBaseDO) obj).getId();
} else if (obj instanceof AccessEntryDO) {
return ((AccessEntryDO) obj).getId();
} else if (obj instanceof Kost2ArtDO) {
return ((Kost2ArtDO) obj).getId();
} else if (obj instanceof KundeDO) {
return ((KundeDO) obj).getId();
} else if (obj instanceof UserPrefEntryDO) {
return ((UserPrefEntryDO) obj).getId();
}
log.error(
"Couldn't get the identifier of the given object (Jassist/Hibernate-Bug: HHH-3502) for class: "
+ obj.getClass().getName());
return null;
}