/**
* Creates a Piece_ORM_Metadata object from a cache or a database.
*
* @param string $tableName
* @param string $tableID
* @return Piece_ORM_Metadata
*/
function &_createMetadata($tableName, $tableID)
{
if (!file_exists($GLOBALS['PIECE_ORM_Metadata_CacheDirectory'])) {
trigger_error("The cache directory [ {$GLOBALS['PIECE_ORM_Metadata_CacheDirectory']} ] is not found.", E_USER_WARNING);
return Piece_ORM_Metadata_Factory::_createMetadataFromDatabase($tableName);
}
if (!is_readable($GLOBALS['PIECE_ORM_Metadata_CacheDirectory']) || !is_writable($GLOBALS['PIECE_ORM_Metadata_CacheDirectory'])) {
trigger_error("The cache directory [ {$GLOBALS['PIECE_ORM_Metadata_CacheDirectory']} ] is not readable or writable.", E_USER_WARNING);
return Piece_ORM_Metadata_Factory::_createMetadataFromDatabase($tableName);
}
return Piece_ORM_Metadata_Factory::_getMetadata($tableName, $tableID);
}
