/**
* {@inheritdoc}
*/
public function processRawEntity($record, $prev_record)
{
parent::processRawEntity($record, $prev_record);
$processed_record = clone $record;
if (!$prev_record) {
// No previous record, can't figure out kWhs...
$processed_record->kwh = 0;
return $processed_record;
}
// Catch bad records
if ($processed_record->kwh == 0) {
// kwh == NULL means a bad reading.
$processed_record->kwh = NULL;
return $processed_record;
}
// Perv-record exists, calc kWhs delta.
$processed_record->kwh -= $prev_record->kwh;
return $processed_record;
}
/**
* {@inheritdoc}
*/
public function processRawEntity($record, $prev_record)
{
parent::processRawEntity($record, $prev_record);
// Nothing to do.
return $record;
}
