vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/IterableResult.php

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<?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 MIT license. 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|null
     */
    private $_current = null;

    /**
     * @param \Doctrine\ORM\Internal\Hydration\AbstractHydrator $hydrator
     */
    public function __construct($hydrator)
    {
        $this->_hydrator = $hydrator;
    }

    /**
     * @return void