private void deleteComponent(
final ComponentIdentifier id, final ComponentEventQueue ceq, final boolean deleteOrphans) {
final NCSComponent component = getComponent(id);
if (component == null) {
throw new WebApplicationException(Status.BAD_REQUEST);
}
final Set<NCSComponent> parentComponents = component.getParentComponents();
final Set<ComponentIdentifier> childrenIdentifiers =
getIdentifiers(component.getSubcomponents());
// first, we deal with orphans
if (deleteOrphans) {
for (final ComponentIdentifier subId : childrenIdentifiers) {
handleOrphanedComponents(component, subId, ceq, deleteOrphans);
}
}
// first, we remove this component from each of its parents
for (final NCSComponent parent : parentComponents) {
parent.getSubcomponents().remove(component);
m_componentDao.update(parent);
}
// then we delete this component
component.setSubcomponents(EMPTY_COMPONENT_SET);
m_componentDao.delete(component);
// and any events or alarms depending on it
deleteEvents(id.getForeignSource(), id.getForeignId());
deleteAlarms(id.getForeignSource(), id.getForeignId());
// alert that the component is deleted
ceq.componentDeleted(getIdentifier(component));
// then alert about the parents
sendUpdateEvents(ceq, getIdentifiers(parentComponents));
}
private NCSComponent getComponent(final ComponentIdentifier id) {
return m_componentDao.findByTypeAndForeignIdentity(
id.getType(), id.getForeignSource(), id.getForeignId());
}
