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<?php |
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namespace Nip\Dispatcher\Commands; |
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use ArrayAccess; |
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use Exception; |
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use Iterator; |
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/** |
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* Class CommandsStack |
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* @package Nip\Dispatcher\Commands |
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*/ |
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class CommandsCollection implements ArrayAccess, Iterator |
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{ |
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protected $items = []; |
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protected $hops = 0; |
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protected $maxHops = 30; |
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/** |
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* @return bool |
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*/ |
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public function overflow() |
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{ |
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return $this->getHops() > $this->getMaxHops(); |
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} |
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/** |
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* @return int |
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*/ |
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public function getMaxHops(): int |
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{ |
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return $this->maxHops; |
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} |
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/** |
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* @param int $maxHops |
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*/ |
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public function setMaxHops(int $maxHops) |
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{ |
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$this->maxHops = $maxHops; |
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} |
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/** |
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* @return int |
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*/ |
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public function getHops(): int |
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{ |
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return $this->hops; |
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} |
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/** |
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* @param int $hops |
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*/ |
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public function setHops(int $hops) |
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{ |
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$this->hops = $hops; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetExists($offset) |
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{ |
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return isset($this->items[$offset]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->items[$offset]; |
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} |
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/** |
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* @inheritdoc |
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* @param Command $value |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if ($offset == null) { |
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$this->items[] = $value; |
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} else { |
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$this->items[$offset] = $value; |
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} |
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$this->hops = count($this->items); |
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if ($this->overflow()) { |
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throw new Exception( |
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"Maximum number of hops ($this->maxHops) has been reached for {$value->getString()}" |
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); |
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} |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->items[$offset]); |
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$this->hops = count($this); |
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} |
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/** |
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* Return the current element |
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* @link http://php.net/manual/en/iterator.current.php |
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* @return mixed Can return any type. |
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* @since 5.0.0 |
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*/ |
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public function current() |
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{ |
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// TODO: Implement current() method. |
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} |
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/** |
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* Move forward to next element |
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* @link http://php.net/manual/en/iterator.next.php |
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* @return void Any returned value is ignored. |
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* @since 5.0.0 |
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*/ |
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public function next() |
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{ |
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// TODO: Implement next() method. |
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} |
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/** |
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* Return the key of the current element |
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* @link http://php.net/manual/en/iterator.key.php |
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* @return mixed scalar on success, or null on failure. |
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* @since 5.0.0 |
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*/ |
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public function key() |
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{ |
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// TODO: Implement key() method. |
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} |
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/** |
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* Checks if current position is valid |
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* @link http://php.net/manual/en/iterator.valid.php |
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* @return boolean The return value will be casted to boolean and then evaluated. |
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* Returns true on success or false on failure. |
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* @since 5.0.0 |
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*/ |
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public function valid() |
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{ |
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// TODO: Implement valid() method. |
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} |
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/** |
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* Rewind the Iterator to the first element |
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* @link http://php.net/manual/en/iterator.rewind.php |
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* @return void Any returned value is ignored. |
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* @since 5.0.0 |
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*/ |
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public function rewind() |
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{ |
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// TODO: Implement rewind() method. |
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} |
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} |
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bytic /
dispatcher
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