bool ConfigObjectUtility::DeleteObjectHelper(const ConfigObject::Ptr& object, bool cascade,
const Array::Ptr& errors, const Array::Ptr& diagnosticInformation)
{
std::vector<Object::Ptr> parents = DependencyGraph::GetParents(object);
Type::Ptr type = object->GetReflectionType();
String name = object->GetName();
if (!parents.empty() && !cascade) {
if (errors) {
errors->Add("Object '" + name + "' of type '" + type->GetName() +
"' cannot be deleted because other objects depend on it. "
"Use cascading delete to delete it anyway.");
}
return false;
}
for (const Object::Ptr& pobj : parents) {
ConfigObject::Ptr parentObj = dynamic_pointer_cast<ConfigObject>(pobj);
if (!parentObj)
continue;
DeleteObjectHelper(parentObj, cascade, errors, diagnosticInformation);
}
ConfigItem::Ptr item = ConfigItem::GetByTypeAndName(type, name);
try {
/* mark this object for cluster delete event */
object->SetExtension("ConfigObjectDeleted", true);
/* triggers signal for DB IDO and other interfaces */
object->Deactivate(true);
if (item)
item->Unregister();
else
object->Unregister();
} catch (const std::exception& ex) {
if (errors)
errors->Add(DiagnosticInformation(ex, false));
if (diagnosticInformation)
diagnosticInformation->Add(DiagnosticInformation(ex));
return false;
}
String path = GetObjectConfigPath(object->GetReflectionType(), name);
if (Utility::PathExists(path)) {
if (unlink(path.CStr()) < 0 && errno != ENOENT) {
BOOST_THROW_EXCEPTION(posix_error()
<< boost::errinfo_api_function("unlink")
<< boost::errinfo_errno(errno)
<< boost::errinfo_file_name(path));
}
}
return true;
}
static bool ObjectNameLessComparer(const ConfigObject::Ptr& a, const ConfigObject::Ptr& b)
{
return a->GetName() < b->GetName();
}