<?php

// imports
require_once 'AlarmManagement/DataTypes/InstAddrSel.php';

/**
 * DataType InstAddr
 *
 * @author     WagnerTech UG <mail@wagnertech.de>
 * @package    SysAl.AlarmManagement.DataType
 */

class InstAddr {
	
	/**
	 * selector:
	 * @var        InstAddrSel
	 */
	private $selector;
	
	/**
	 * value
	 * @var        string
	 */
	private $value;

	/**
	 * constructor: checks validity
	 * 
	 * @param strOrSel  both constructions possible: with complete string or by selector/value pair 
	 * @param value     only if selector/value are specified separately
	 */
	function __construct($strOrSel, $value = null){
		if ($value == null) {
			$aux_arr = explode ('/', $strOrSel);
			if (count($aux_arr) != 2) 
				throw new Exception("Invalid InstAddr string: $strOrSel");
		} else {
			$aux_arr[0] = $strOrSel;
			$aux_arr[1] = $value;
		}
		$this->selector = new InstAddrSel($aux_arr[0]);
		$this->value = $aux_arr[1];
	}
	
	function getSelector(){
		return $this->selector;
	}
	
	function getValue(){
		return $this->value;
	}

	function __toString(){
		return $this->selector . "/" . $this->value;
	}
}