private function addProperty(AbstractProperty $p)
{
if (!$p->hasName() || $p->isEmpty()) {
throw new IllegalArgumentException("The Property to add has no name of is empty");
}
if (array_key_exists($p->name(), $this->set)) {
throw new IllegalArgumentException("A Property with the same name \"{$p->name()}\" already exists in the property \"{$this->name()}\"");
}
if ($this->set == null) {
$this->set = array();
}
$this->set[$p->name()] = $p;
}
public function __construct($name, $value = null)
{
parent::__construct($name);
$this->value = $value;
}