| 1 | <?php |
| 2 | /* |
| 3 | * $Id: Iterator.php 2963 2007-10-21 06:23:59Z Jonathan.Wage $ |
| 4 | * |
| 5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 16 | * |
| 17 | * This software consists of voluntary contributions made by many individuals |
| 18 | * and is licensed under the LGPL. For more information, see |
| 19 | * <http://www.phpdoctrine.org>. |
| 20 | */ |
| 21 | |
| 22 | /** |
| 23 | * Doctrine_Record_Iterator |
| 24 | * |
| 25 | * @package Doctrine |
| 26 | * @subpackage Record |
| 27 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 28 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
| 29 | * @link www.phpdoctrine.org |
| 30 | * @since 1.0 |
| 31 | * @version $Revision: 2963 $ |
| 32 | */ |
| 33 | class Doctrine_Record_Iterator extends ArrayIterator |
| 34 | { |
| 35 | /** |
| 36 | * @var Doctrine_Record $record |
| 37 | */ |
| 38 | private $record; |
| 39 | |
| 40 | /** |
| 41 | * @var Doctrine_Null $null |
| 42 | */ |
| 43 | private static $null; |
| 44 | |
| 45 | /** |
| 46 | * constructor |
| 47 | * |
| 48 | * @param Doctrine_Record $record |
| 49 | */ |
| 50 | public function __construct(Doctrine_Record $record) |
| 51 | { |
| 52 | $this->record = $record; |
| 53 | parent::__construct($record->getData()); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * initNullObject |
| 58 | * |
| 59 | * @param Doctrine_Null $null |
| 60 | */ |
| 61 | public static function initNullObject(Doctrine_Null $null) |
| 62 | { |
| 63 | self::$null = $null; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * current |
| 68 | * |
| 69 | * @return mixed |
| 70 | */ |
| 71 | public function current() |
| 72 | { |
| 73 | $value = parent::current(); |
| 74 | |
| 75 | if ($value === self::$null) { |
| 76 | return null; |
| 77 | } else { |
| 78 | return $value; |
| 79 | } |
| 80 | } |
| 81 | } |