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MultiBulkResponse.php
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<?php /* * This file is part of the Predis package. * * (c) Daniele Alessandri <suppakilla@gmail.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Predis\Iterator; use Predis\ResponseObjectInterface; /** * Iterator that abstracts the access to multibulk replies and allows * them to be consumed by user's code in a streaming fashion. * * @author Daniele Alessandri <suppakilla@gmail.com> */ abstract class MultiBulkResponse implements \Iterator, \Countable, ResponseObjectInterface { protected $position; protected $current; protected $replySize; /** * {@inheritdoc} */ public function rewind() { // NOOP } /** * {@inheritdoc} */ public function current() { return $this->current; } /** * {@inheritdoc} */ public function key() { return $this->position; } /** * {@inheritdoc} */ public function next() { if (++$this->position < $this->replySize) { $this->current = $this->getValue(); } return $this->position; } /** * {@inheritdoc} */ public function valid() { return $this->position < $this->replySize; } /** * Returns the number of items of the whole multibulk reply. * * This method should be used to get the size of the current multibulk * reply without using iterator_count, which actually consumes the * iterator to calculate the size (rewinding is not supported). * * @return int */ public function count() { return $this->replySize; } /** * Returns the current position of the iterator. * * @return int */ public function getPosition() { return $this->position; } /** * {@inheritdoc} */ abstract protected function getValue(); }
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