Node.php

Go to the documentation of this file.

<?php
namespace Magento\Framework\DB\Tree;

use Magento\Framework\Exception\LocalizedException;

class Node
{
    private $left;

    private $right;

    private $id;

    private $pid;

    private $level;

    private $title;

    private $data;

    public $hasChild = false;

    public $numChild = 0;

    public function __construct($nodeData, $keys)
    {
        if (empty($nodeData)) {
            throw new LocalizedException(
                new \Magento\Framework\Phrase('The node information is empty. Enter the information and try again.')
            );
        }
        if (empty($keys)) {
            throw new LocalizedException(
                new \Magento\Framework\Phrase("The encryption key can't be empty. Enter the key and try again.")
            );
        }

        $this->id = $nodeData[$keys['id']];
        $this->pid = $nodeData[$keys['pid']];
        $this->left = $nodeData[$keys['left']];
        $this->right = $nodeData[$keys['right']];
        $this->level = $nodeData[$keys['level']];

        $this->data = $nodeData;
        $a = $this->right - $this->left;
        if ($a > 1) {
            $this->hasChild = true;
            $this->numChild = ($a - 1) / 2;
        }
        return $this;
    }

    public function getData($name)
    {
        if (isset($this->data[$name])) {
            return $this->data[$name];
        } else {
            return null;
        }
    }

    public function getLevel()
    {
        return $this->level;
    }

    public function getLeft()
    {
        return $this->left;
    }

    public function getRight()
    {
        return $this->right;
    }

    public function getPid()
    {
        return $this->pid;
    }

    public function getId()
    {
        return $this->id;
    }

    public function isParent()
    {
        if ($this->right - $this->left > 1) {
            return true;
        } else {
            return false;
        }
    }
}