<?php

namespace Doctrine\DBAL;

class DBALException extends \Exception

{

    public static function notSupported($method)

    {

        return new self("Operation '$method' is not supported by platform.");

    }

    public static function invalidPlatformSpecified()

    {

        return new self(

            "Invalid 'platform' option specified, need to give an instance of ".

            "\Doctrine\DBAL\Platforms\AbstractPlatform.");

    }

    public static function invalidPdoInstance()

    {

        return new self(

            "The 'pdo' option was used in DriverManager::getConnection() but no ".

            "instance of PDO was given."

        );

    }

    public static function driverRequired()

    {

        return new self("The options 'driver' or 'driverClass' are mandatory if no PDO ".

            "instance is given to DriverManager::getConnection().");

    }

    public static function unknownDriver($unknownDriverName, array $knownDrivers)

    {

        return new self("The given 'driver' ".$unknownDriverName." is unknown, ".

            "Doctrine currently supports only the following drivers: ".implode(", ", $knownDrivers));

    }

    public static function invalidWrapperClass($wrapperClass)

    {

        return new self("The given 'wrapperClass' ".$wrapperClass." has to be a ".

            "subtype of \Doctrine\DBAL\Connection.");

    }

    public static function invalidDriverClass($driverClass)

    {

        return new self("The given 'driverClass' ".$driverClass." has to implement the ".

            "\Doctrine\DBAL\Driver interface.");

    }

    /**

     * @param string $tableName

     * @return DBALException

     */

    public static function invalidTableName($tableName)

    {

        return new self("Invalid table name specified: ".$tableName);

    }

    /**

     * @param string $tableName

     * @return DBALException

     */

    public static function noColumnsSpecifiedForTable($tableName)

    {

        return new self("No columns specified for table ".$tableName);

    }

    public static function limitOffsetInvalid()

    {

        return new self("Invalid Offset in Limit Query, it has to be larger or equal to 0.");

    }

    public static function typeExists($name)

    {

        return new self('Type '.$name.' already exists.');

    }

    public static function unknownColumnType($name)

    {

        return new self('Unknown column type '.$name.' requested.');

    }

    public static function typeNotFound($name)

    {

        return new self('Type to be overwritten '.$name.' does not exist.');

    }

}