/**
* 属性工厂
*
* @param mixed $type
* @param array $params
* @static
* @access public
* @return void
*/
public static function operator_factory($type, $params = array())
{
$db = \swan\db\sw_db::singleton();
\swan\member\sw_member::set_namespace("\\lib\\");
$operator = \swan\member\sw_member::operator_factory('member', $type, $params);
$operator->set_db($db);
return $operator;
}
/**
* 获取子类的对象
*
* @param string $type
* @access public
* @return void
*/
public function get_operator($type)
{
if (!array_key_exists($type, $this->__operator_types)) {
throw new sw_exception("Invalid operator type `{$type}`");
}
$class_name = $this->__namespace . "sw_{$type}";
$operator = new $class_name($this);
$operator->set_db(\swan\db\sw_db::singleton());
return $operator;
}
/**
* 获取图表的自增长 ID
*
* @param intger $graph
* @param string $table_name
* @param sw_db $db
* @param int $init_id
* @access public
* @return intger
*/
public static function get_next_graph($graph_id, $table_name, $db = null, $init_id = 1)
{
if (!isset($db)) {
$db = sw_db::singleton();
}
//判断是否是合法的 graph_id
try {
$graph_id = $db->fetch_one($db->select()->from(SWAN_TBN_GRAPH_BASIC, array('graph_id'))->where('graph_id= ?'), $graph_id);
} catch (sw_exception $e) {
throw new sw_exception('invalid graph id, get sequence faild. ');
}
if (false === $graph_id) {
throw new sw_exception('invalid graph id, get sequence faild. ');
}
try {
$db->begin_transaction();
$transaction = true;
} catch (\swan\exception\sw_exception $e) {
$transaction = false;
}
try {
$fields = array('sequence_id' => new sw_db_expr('sequence_id+' . self::get_increment_num()));
$where = $db->quote_into('table_name = ?', $table_name);
$where .= $db->quote_into(' AND graph_id = ?', $graph_id);
$try_num = 1;
do {
$affected = $db->update(SWAN_TBN_SEQUENCE_GRAPH, $fields, $where);
if (1 === $affected) {
break;
}
//更新失败，记录不存在则添加
$attribute = array('graph_id' => $graph_id, 'table_name' => $table_name, 'sequence_id' => $init_id);
try {
$affected = $db->insert(SWAN_TBN_SEQUENCE_GRAPH, $attribute);
} catch (sw_exception $e) {
}
} while ($affected !== 1 && $try_num < self::MAX_TRY_NUM);
if (1 === $affected) {
$id = $db->fetch_one($db->select()->from(SWAN_TBN_SEQUENCE_GRAPH, array('sequence_id' => 'sequence_id'))->where('table_name= ? AND graph_id= ?'), array($table_name, $graph_id));
}
if (1 !== $affected || false === $id) {
throw new sw_exception('get graph sequence faild.');
}
if ($transaction) {
$db->commit();
}
return $id;
} catch (\swan\exception\sw_exception $e) {
if ($transaction) {
$db->rollback();
}
throw new sw_exception($e);
}
}
/**
* 回滚事务
*
* @access protected
* @return void
*/
protected function _rollback()
{
$db = \swan\db\sw_db::singleton();
$db->rollback();
}
/**
* 删除设备
*
* @access public
* @return void
*/
public function action_del()
{
$did = $this->__request->get_post('device_id', '');
if (!$did) {
return $this->render_json(null, 10001, '`device_id` not allow is empty.');
}
$db = \swan\db\sw_db::singleton();
$db->begin_transaction();
// 删除设备
$device = sw_member::operator_factory('device');
try {
$condition = sw_member::condition_factory('del_device_key', array('device_id' => $did));
$condition->set_in('device_id');
$device->get_operator('key')->del_key($condition);
} catch (\swan\exception\sw_exception $e) {
$db->rollback();
return $this->render_json(null, 10002, $e->getMessage());
}
try {
$condition = sw_member::condition_factory('del_device_basic', array('device_id' => $did));
$condition->set_in('device_id');
$device->get_operator('basic')->del_basic($condition);
} catch (\swan\exception\sw_exception $e) {
$db->rollback();
return $this->render_json(null, 10003, $e->getMessage());
}
// 获取核心监控适配器
$condition = sw_member::condition_factory('get_madapter_basic');
$condition->set_in('madapter_type');
$condition->set_madapter_type('1');
$madapter = sw_member::operator_factory('madapter');
$madapter_basic = $madapter->get_operator('basic')->get_basic($condition);
try {
$property_key = sw_member::property_factory('device_key', array('device_id' => $did));
$condition = sw_member::condition_factory('del_device_monitor');
$condition->set_in('device_id');
$device = sw_member::operator_factory('device', $property_key);
$monitor = $device->get_operator('monitor')->del_monitor($condition);
} catch (\swan\exception\sw_exception $e) {
$db->rollback();
return $this->render_json(null, 10004, $e->getMessage());
}
$db->commit();
return $this->render_json(null, 10000, 'delete device success.');
}
