public function isFull()
{
return $this->numItems == $this->maxSize;
}
public function enqueue($value)
{
if (!$this->isFull()) {
parent::enqueue($value);
$this->numItems++;
}
}
public function dequeue()
{
$value = parent::dequeue();
$this->numItems--;
if ($this->numItems <= 0) {
$this->maxSize--;
$this->numItems = 0;
// echo 'Queue shrank.<br>';
}
return $value;
}
}
$queue = new ShrinkingQueue(3);
$producer = new Producer();
$producer->setQueue($queue);
$consumer = new Consumer();
$consumer->setQueue($queue);
$consumer->setProducer($producer);
$producer->setConsumer($consumer);
$producer->fill()->send('GO!');
