class.arException.php

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<?php
require_once('./Services/Exceptions/classes/class.ilException.php');
class arException extends ilException
{
    const UNKNONWN_EXCEPTION = -1;
    const COLUMN_DOES_NOT_EXIST = 1001;
    const COLUMN_DOES_ALREADY_EXIST = 1002;
    const RECORD_NOT_FOUND = 1003;
    const GET_UNCACHED_OBJECT = 1004;
    const LIST_WRONG_LIMIT = 1005;
    const LIST_ORDER_BY_WRONG_FIELD = 1006;
    const LIST_JOIN_ON_WRONG_FIELD = 1007;
    const COPY_DESTINATION_ID_EXISTS = 1008;
    const PRIVATE_CONTRUCTOR = 1009;
    const FIELD_UNKNOWN = 1010;
    protected static $message_strings = array(
        self::UNKNONWN_EXCEPTION => 'Unknown Exception',
        self::COLUMN_DOES_NOT_EXIST => 'Column does not exist:',
        self::COLUMN_DOES_ALREADY_EXIST => 'Column does already exist:',
        self::RECORD_NOT_FOUND => 'No Record found with PrimaryKey:',
        self::GET_UNCACHED_OBJECT => 'Get uncached Object from Cache:',
        self::LIST_WRONG_LIMIT => 'Limit, to value smaller than from value:',
        self::LIST_JOIN_ON_WRONG_FIELD => 'Join on non existing field: ',
        self::COPY_DESTINATION_ID_EXISTS => 'Copy Record: A record with the Destination-ID already exists.',
        self::PRIVATE_CONTRUCTOR => 'Constructor cannot be accessed.',
        self::FIELD_UNKNOWN => 'Field Unknown.',
    );
    protected $message = '';
    protected $code = self::UNKNONWN_EXCEPTION;
    protected $additional_info = '';
 
 
    public function __construct($exception_code = self::UNKNONWN_EXCEPTION, $additional_info = '')
    {
        $this->code = $exception_code;
        $this->additional_info = $additional_info;
        $this->assignMessageToCode();
        parent::__construct($this->message, $this->code);
    }
 
 
    protected function assignMessageToCode()
    {
        $this->message = 'ActiveRecord Exeption: ' . self::$message_strings[$this->code] . $this->additional_info;
    }
 
 
    public function __toString()
    {
        return implode('<br>', array( get_class($this), $this->message ));
    }
}