<?php /* * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This software consists of voluntary contributions made by many individuals * and is licensed under the LGPL. For more information, see * <http://www.doctrine-project.org>. */ namespace Doctrine\ORM\Internal\Hydration; /** * Represents a result structure that can be iterated over, hydrating row-by-row * during the iteration. An IterableResult is obtained by AbstractHydrator#iterate(). * * @author robo * @since 2.0 */ class IterableResult implements \Iterator { /** * @var Doctrine\ORM\Internal\Hydration\AbstractHydrator */ private $_hydrator; /** * @var boolean */ private $_rewinded = false; /** * @var integer */ private $_key = -1; /** * @var object */ private $_current = null; /** * @param Doctrine\ORM\Internal\Hydration\AbstractHydrator $hydrator */ public function __construct($hydrator) { $this->_hydrator = $hydrator; } public function rewind() { if ($this->_rewinded == true) { throw new HydrationException("Can only iterate a Result once."); } else { $this->_current = $this->next(); $this->_rewinded = true; } } /** * Gets the next set of results. * * @return array */ public function next() { $this->_current = $this->_hydrator->hydrateRow(); $this->_key++; return $this->_current; } /** * @return mixed */ public function current() { return $this->_current; } /** * @return int */ public function key() { return $this->_key; } /** * @return bool */ public function valid() { return ($this->_current!=false); } }