<?php
/**
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\ObjectManager\Profiler\Tree;

class Item
{
/**
* @var string
*/
protected $class;

/**
* @var Item|null
*/
protected $parent = null;

/**
* @var string
*/
protected $hash = null;

/**
* @var array
*/
protected $children = [];

/**
* @param string $class
* @param Item $parent
*/
public function __construct($class, Item $parent = null)
{
$this->class = $class;
$this->parent = $parent;

if ($parent) {
$parent->addChild($this);
}
}

/**
* Retrieve class
*
* @return string
*/
public function getClass()
{
return $this->class;
}

/**
* Add child
*
* @param Item $item
* @return void
*/
public function addChild(Item $item)
{
$this->children[] = $item;
}

/**
* Retrieve list of children
*
* @return array[Item]
*/
public function getChildren()
{
return $this->children;
}

/**
* Retrieve parent
*
* @return Item|null
*/
public function getParent()
{
return $this->parent;
}

/**
* Set hash
*
* @param string $hash
* @return void
*/
public function setHash($hash)
{
$this->hash = $hash;
}

/**
* Retrieve hash
*
* @return string
*/
public function getHash()
{
return $this->hash;
}
}