Doctrine\ORM\Query\Parser::AbstractSchemaName PHP Method

    public function AbstractSchemaName()
    {
        $this->match(Lexer::T_IDENTIFIER);

        $schemaName = ltrim($this->_lexer->token['value'], '\\');

        if (strrpos($schemaName, ':') !== false) {
            list($namespaceAlias, $simpleClassName) = explode(':', $schemaName);
            $schemaName = $this->_em->getConfiguration()->getEntityNamespace($namespaceAlias) . '\\' . $simpleClassName;
        }

        $exists = class_exists($schemaName, true);

        if ( ! $exists) {
            $this->semanticalError("Class '$schemaName' is not defined.", $this->_lexer->token);
        }

        return $schemaName;
    }