0305a6ce3b
updated proxies renamed Definition class improved JSON definitions of entities and properties
98 lines
No EOL
2.1 KiB
PHP
98 lines
No EOL
2.1 KiB
PHP
<?php
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/**
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* @package default
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* @copyright Copyright (c) 2010, The volkszaehler.org project
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* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
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*/
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/*
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* This file is part of volkzaehler.org
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*
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* volkzaehler.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* volkzaehler.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Volkszaehler\Iterator;
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use Doctrine\DBAL;
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/**
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* @author Steffen Vogel <info@steffenvogel.de>
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* @package default
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*/
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class DataIterator implements \Iterator, \Countable {
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protected $current;
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protected $key; // incrementing key
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protected $stmt; // PDOStatement
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protected $size; // total readings in PDOStatement
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/**
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* Constructor
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*
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* @param \PDOStatement $stmt
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* @param unknown_type $size
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*/
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public function __construct(\PDOStatement $stmt, $size) {
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$this->size = $size;
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$this->stmt = $stmt;
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$this->stmt->setFetchMode(\PDO::FETCH_NUM);
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}
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/**
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* @return array with data
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*/
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public function current() {
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return $this->current;
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}
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/**
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* Fetch next row from database
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*/
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public function next() {
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$this->key++;
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$this->current = $this->stmt->fetch();
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}
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/**
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* @return integer the nth data row
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*/
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public function key() {
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return $this->key;
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}
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/**
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* @return boolean do we have another row in the resultset?
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*/
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public function valid() {
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return (boolean) $this->current;
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}
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/**
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* Rewind the iterator
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*
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* Should only be called once
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* PDOStatements doest support rewind()
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*/
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public function rewind() {
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$this->key = 0;
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$this->current = $this->stmt->fetch();
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}
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/**
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* @return integer
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*/
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public function count() { return $this->size; }
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}
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?>
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