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