icingaweb2/library/Icinga/Web/Paginator/Adapter/QueryAdapter.php

89 lines
2.4 KiB
PHP
Executable File

<?php
// {{{ICINGA_LICENSE_HEADER}}}
/**
* This file is part of Icinga 2 Web.
*
* Icinga 2 Web - Head for multiple monitoring backends.
* Copyright (C) 2013 Icinga Development Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* @copyright 2013 Icinga Development Team <info@icinga.org>
* @license http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
* @author Icinga Development Team <info@icinga.org>
*/
// {{{ICINGA_LICENSE_HEADER}}}
namespace Icinga\Web\Paginator\Adapter;
/**
* @see Zend_Paginator_Adapter_Interface
*/
class QueryAdapter implements \Zend_Paginator_Adapter_Interface
{
/**
* Array
*
* @var array
*/
protected $query = null;
/**
* Item count
*
* @var integer
*/
protected $count = null;
/**
* Constructor.
*
* @param array $query Query to paginate
*/
// TODO: Re-add abstract Query type as soon as a more generic one
// is available. Should fit Protocol-Queries too.
// public function __construct(\Icinga\Backend\Query $query)
public function __construct($query)
{
$this->query = $query;
}
/**
* Returns an array of items for a page.
*
* @param integer $offset Page offset
* @param integer $itemCountPerPage Number of items per page
* @return array
*/
public function getItems($offset, $itemCountPerPage)
{
return $this->query->limit($itemCountPerPage, $offset)->fetchAll();
}
/**
* Returns the total number of items in the query result.
*
* @return integer
*/
public function count()
{
if ($this->count === null) {
$this->count = $this->query->count();
}
return $this->count;
}
}