/**
* 返回集合 int 类型的自增ID;
* @static
* @param String $collection 集合名称 或者 实现 EntityTemplate 的 实体对象;
* @return int;
* @throws MongoConnectionException;
*/
public static function nextIncId($collection)
{
if (self::$mongoDatabase == null) {
$mongMgr = null;
try {
$mongMgr = MongoManager::getInstance();
self::$mongoDatabase = $mongMgr->getDatabase(null, true);
} catch (MongoConnectionException $e) {
throw $e;
}
}
$tableName = null;
if (is_string($collection)) {
$tableName = $collection;
}
if (is_object($collection)) {
$config = $collection->getConfig();
$tableName = $config['name'];
}
if ($tableName == null) {
throw new \Exception("无法正常得到指定集合名称");
}
$next_id = self::genId($tableName);
if (!$next_id) {
$next_id = self::genId($tableName);
//确保第一次生产ID从 1 开始;
}
return $next_id;
}
public static function deleteEntity($entity, $where = null)
{
if ($entity) {
$entityCfg = $entity->getConfig();
$vars = array();
foreach ($entityCfg['columns'] as $key) {
$vars[$key] = $entity->{$key};
}
//如果指定where 则使用where条件,未指定则使用id; 更新不可以不指定条件;
$parseWhere = array();
if ($where != null) {
if (is_object($where) && method_exists($where, 'toMongoParam')) {
array_push($parseWhere, $where->toMongoParam($entity->getCriteria()));
} else {
if (is_array($where)) {
$parseWhere = $where;
}
}
} else {
$parseWhere = array("_id" => $entity->_id);
}
$mongoTable = null;
$keyId = "";
try {
$mongoManager = MongoManager::getInstance();
$mongoDatabase = $mongoManager->getDatabase($entity, true);
$mongoTable = $mongoDatabase->selectCollection($entityCfg['name']);
} catch (MongoConnectionException $e) {
throw $e;
}
try {
$rs = $mongoTable->remove($parseWhere, array('safe' => true, 'fsync' => false, 'timeout' => 20000));
$keyId = $rs['n'];
if ($rs['err'] != null) {
throw new Exception($rs['err'], \my\bq\dao\DAOException::DB_EXEC_EXCEPTION);
}
} catch (MongoCursorException $me) {
throw $me;
}
$cache = CacheManager::getInstance();
$entiList = $cache->get("inserted_or_deleted_or_updated_list");
if (!is_array($entiList)) {
$entiList = array();
}
array_push($entiList, @get_class($entity));
$cache->set("inserted_or_deleted_or_updated_list", $entiList);
$relationCfg = $entity->getRelationPro();
foreach ($relationCfg as $var => $conf) {
if (isset($conf['cascade'])) {
$cascade = explode(",", $conf['cascade']);
if (in_array("update", $cascade)) {
$relationObject = $entity->{$conf}['name'];
//单个实体
if (is_object($relationObject)) {
$relationObject->{$conf}['column'] = $vars[$conf['key']];
self::deleteEntity($relationObject);
}
//实体数组
if (is_array($relationObject)) {
foreach ($relationObject as $objectItem) {
if (is_object($objectItem)) {
self::deleteEntity($objectItem);
}
}
}
}
}
}
return $keyId;
}
return false;
}
/**
* 统计记录行数;
* @param bool $countAll
* @return array
* @throws
*/
public function _count($countAll = true)
{
if ($this->tableIns == null) {
try {
$mongoManager = \my\bq\mdbao\MongoManager::getInstance();
$this->mongoDatabase = $mongoManager->getDatabase($this->tableEntity);
$this->tableIns = $this->mongoDatabase->selectCollection($this->table);
} catch (MongoConnectionException $e) {
throw $e;
}
}
$parmas = $this->getParameters();
//$order = $this ->getOrderQuery();
Log::writeMsg(Log::NOTICE, "MongoQuery:[" . $this->table . "]" . var_export($parmas, true));
$cursor = $this->tableIns->find($parmas)->count(!$countAll);
/* if(is_array($order) && count($order)>0){
$cursor->sort($order);
}*/
if ($this->fetchSize > 0) {
$cursor->skip($this->firstResult)->limit($this->fetchSize);
}
return $cursor;
}
