72 lines
1.7 KiB
PHP
72 lines
1.7 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @package default
|
||
|
|
* @copyright Copyright (c) 2010, The volkszaehler.org project
|
||
|
|
* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* This file is part of volkzaehler.org
|
||
|
|
*
|
||
|
|
* volkzaehler.org 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 3 of the License, or
|
||
|
|
* any later version.
|
||
|
|
*
|
||
|
|
* volkzaehler.org 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 volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace Volkszaehler;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author Steffen Vogel <info@steffenvogel.de>
|
||
|
|
*/
|
||
|
|
use Doctrine\DBAL;
|
||
|
|
|
||
|
|
class DataIterator implements \Iterator, \Countable {
|
||
|
|
protected $current;
|
||
|
|
protected $key; // incrementing key
|
||
|
|
protected $pdoStmt; // PDOStatement
|
||
|
|
protected $size; // total readings in PDOStatement
|
||
|
|
|
||
|
|
public function __construct(DBAL\Statement $stmt, $size) {
|
||
|
|
$this->size = $size;
|
||
|
|
|
||
|
|
$this->pdoStmt = $stmt->getWrappedStatement();
|
||
|
|
$this->pdoStmt->setFetchMode(\PDO::FETCH_NUM);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function current() {
|
||
|
|
return $this->current;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function next() {
|
||
|
|
$this->key++;
|
||
|
|
$this->current = $this->pdoStmt->fetch();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function key() {
|
||
|
|
return $this->key;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function valid() {
|
||
|
|
return (boolean) $this->current;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* NoRewindIterator
|
||
|
|
*/
|
||
|
|
public function rewind() {
|
||
|
|
$this->key = 0;
|
||
|
|
$this->current = $this->pdoStmt->fetch();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function count() { return $this->size; }
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|