Current File : //www/varak.net/nextcloud.varak.net/apps/photos/vendor/hexogen/kdtree/src/ItemList.php
<?php
namespace Hexogen\KDTree;
use Hexogen\KDTree\Exception\ValidationException;
use Hexogen\KDTree\Interfaces\ItemInterface;
use Hexogen\KDTree\Interfaces\ItemListInterface;
class ItemList implements ItemListInterface
{
private $dimensions;
private $items;
private $ids;
private $lastPosition;
/**
* ItemList constructor.
* @param int $dimensions
* @throws ValidationException
*/
public function __construct(int $dimensions)
{
if ($dimensions <= 0) {
throw new ValidationException('$dimensions should be bigger than 0');
}
$this->lastPosition = 0;
$this->dimensions = $dimensions;
$this->items = [];
$this->ids = [];
}
/**
* Add or replace an item in the item list
*
* @api
* @param ItemInterface $item
*/
public function addItem(ItemInterface $item)
{
$this->validateItem($item);
$id = $item->getId();
if (isset($this->ids[$id])) {
$index = $this->ids[$id];
$this->items[$index] = $item;
} else {
$this->items[] = $item;
$this->ids[$id] = $this->lastPosition++;
}
}
/**
* Get all items in the list
* @return ItemInterface[]
*/
public function getItems(): array
{
return $this->items;
}
/**
* @return int number of dimensions in item
*/
public function getDimensionCount(): int
{
return $this->dimensions;
}
/**
* @param ItemInterface $item
* @throws ValidationException
*/
private function validateItem(ItemInterface $item)
{
if ($item->getDimensionsCount() !== $this->dimensions) {
throw new ValidationException('$dValues number dimensions should be equal to ' . $this->dimensions);
}
}
}
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