se/SE/se-lib/SchemaFactory.php

<?php

class SchemaFactory {

  public static function loadDefaultObject($name) {
		static $_cache = [];
		if (array_key_exists($name, $_cache)) return $_cache[$name];
    $objClassName = "Schema_{$name}StorageAcl";
    if (!Lib::tryLoadClass($objClassName)) throw new HttpException("Not implemented - storage object not found '{$name}'", 501);
    $_cache[$name] = new $objClassName();
    return $_cache[$name];
  }

  public static function loadTableObject($tableName, $name) {
    $className = "Schema_DefaultDb_{$tableName}_{$name}StorageAcl";// TODO: load by Factory class which build from schema file
    // list($nsUri, $prefix, $name) = Api_WfsNs::parseObjectNsUri('default_objects/AccessOwner');

    $path = implode('/', [
      APP_PATH_LIB,
      'Schema',
      'DefaultDb',
      strtolower($tableName),
      implode('/', explode('_', $name)).'StorageAcl.php',
    ]);
    if (file_exists($path)) {
      require_once $path;
    } else {
      $path = implode('/', [
        APP_PATH_LIB,
        'Schema',
        'DefaultDb',
        strtolower($tableName),
        $name.'StorageAcl.php',
      ]);
      if (file_exists($path)) {
        require_once $path;
      }
    }
    if (!class_exists($className)) {
      throw new HttpException("Not implemented - default db storage object not found 'default_db/{$tableName}/{$name}'", 501);
    }

    return new $className;
  }

}