<?php
/* Please see the README and LICENSE files. */

/**
 * This class represents a specific, arbitrary, attribute of information
 */
class Data_Attribute {
    /**
     * The name of the attribute
     * @var String
     */
    protected $name;
    
    /**
     * The attribute's value
     * @var String
     */
    protected $value;
    
    /**
     * @param String $name
     * @param String $value 
     */
    public function __construct($name,$value=NULL) {
        $this->name = $name;
        $this->value = $value;
    }
    
    /**
     * Magic Method to get things
     * @param String $n The name of the attribute to get
     * @return Mixed 
     */
    public function __get($n) {
        switch($n){
            case "name":
            case "value":
                return $this->$n;
        }
        return false;
    }
    
    /**
     * Magic method to set things (the value)
     * @param String $n The name of the thing to change
     * @param String $v The value to set to
     * @return boolean True if changed
     */
    public function __set($n, $v) {
        if($n =="value"){
            $this->$name = $v;
            return true;                
        }
        return false;
    }
    
    /**
     * Check if the attribute has changed in storage
     * @return Boolean
     */
    public function has_changed(){
        return false;
    }
}

?>