/**
* Constructor: Associates to $unit $this observer
*
* @param \JObservableInterface $unit Object to be observed.
*
* @since 3.1.2
*/
public function __construct(\JObservableInterface $unit)
{
$unit->attachObserver($this);
$this->unit = $unit;
}
/**
* Constructor: Associates to $transaction $this observer
*
* @param \JObservableInterface $transaction Object to be observed.
*
* @since 3.1.2
*/
public function __construct(\JObservableInterface $transaction)
{
$transaction->attachObserver($this);
$this->transaction = $transaction;
}
