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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Paginator\Adapter;
use Zend_Paginator_Adapter_Interface;
use Icinga\Data\QueryInterface;
class QueryAdapter implements Zend_Paginator_Adapter_Interface
{
/**
* The query being paginated
*
* @var QueryInterface
*/
protected $query;
/**
* Item count
*
* @var int
*/
protected $count;
/**
* Create a new QueryAdapter
*
* @param QueryInterface $query The query to paginate
*/
public function __construct(QueryInterface $query)
{
$this->setQuery($query);
}
/**
* Set the query to paginate
*
* @param QueryInterface $query
*
* @return $this
*/
public function setQuery(QueryInterface $query)
{
$this->query = $query;
return $this;
}
/**
* Return the query being paginated
*
* @return QueryInterface
*/
public function getQuery()
{
return $this->query;
}
/**
* Fetch and return the rows in the given range of the query result
*
* @param int $offset Page offset
* @param int $itemCountPerPage Number of items per page
*
* @return array
*/
public function getItems($offset, $itemCountPerPage)
{
return $this->query->limit($itemCountPerPage, $offset)->fetchAll();
}
/**
* Return the total number of items in the query result
*
* @return int
*/
public function count(): int
{
if ($this->count === null) {
$this->count = $this->query->count();
}
return $this->count;
}
}
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