gistfile1.php

<?php

/**
 * @author AlexanderC <self@alexanderc.me> 
 */
 
namespace Life;
 
class Mood extends Life 
{
  public function __construct(Mood $previous)
  {
    if($previous->getStatus() === Life::STATUS_SAD) {
      $previous->setStatus(Life::STATUS_HAPPY | Life::STATUS_AWESOME);
    }
    
    $this->setStatus(Life::STATUS_HAPPY | Life::STATUS_AWESOME);
    
    $this->lockStatus(Life::LOCK_EXCLUSIVE | Life::LOCK_PERMANENT);
  }
}