/**
* @param array $where
* @return array
* @throws \Exception
*/
protected function formatKey($where)
{
if (isset($where[self::KEY_FIELD])) {
$key = $where[self::KEY_FIELD];
unset($where[self::KEY_FIELD]);
}
if (isset($where[self::KEYDATA_FIELD])) {
$keydata = $where[self::KEYDATA_FIELD];
unset($where[self::KEYDATA_FIELD]);
}
if (isset($where[self::FIELDS_FIELD])) {
$fields = $where[self::FIELDS_FIELD];
unset($where[self::FIELDS_FIELD]);
}
if (isset($key) && isset($keydata)) {
if (is_array($key) && is_array($keydata)) {
foreach ($key as $k) {
if (!array_key_exists($k, $keydata)) {
$keydata[$k] = null;
}
}
$where['AND'] = $keydata;
} elseif (is_string($key)) {
$where['AND'] = [$key => $keydata];
} else {
$msg = Message::messageList(5);
throw $msg->getException();
}
} elseif (isset($fields) && isset($keydata)) {
$wh = $this->formatSearch($fields, $keydata);
$where['OR'] = $wh;
}
return $where;
}
/**
* @param array $config
* @throws \Exception
*/
protected function initEngine($config)
{
if (isset($config['engine'])) {
$fc = new \ReflectionClass($config['engine']);
if ($fc->implementsInterface('\\Wwtg99\\DataPool\\Common\\IDataEngine')) {
$this->engine = $fc->newInstance();
$this->engine->init($config);
} else {
$msg = Message::messageList(2);
throw $msg->getException();
}
}
}
