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<?php
namespace Elastica\Multi;
use Elastica\Exception\InvalidException;
use Elastica\Response;
use Elastica\Search as BaseSearch;
use Elastica\ResultSet as BaseResultSet;
/**
* Elastica multi search result set
* List of result sets for each search request
*
* @category Xodoa
* @package Elastica
* @author munkie
*/
class ResultSet implements \Iterator, \ArrayAccess, \Countable
{
/**
* Result Sets
*
* @var array|\Elastica\ResultSet[] Result Sets
*/
protected $_resultSets = array();
/**
* Current position
*
* @var int Current position
*/
protected $_position = 0;
/**
* Response
*
* @var \Elastica\Response Response object
*/
protected $_response;
/**
* Constructs ResultSet object
*
* @param \Elastica\Response $response
* @param array|\Elastica\Search[] $searches
*/
public function __construct(Response $response, array $searches)
{
$this->rewind();
$this->_init($response, $searches);
}
/**
* @param \Elastica\Response $response
* @param array|\Elastica\Search[] $searches
* @throws \Elastica\Exception\InvalidException
*/
protected function _init(Response $response, array $searches)
{
$this->_response = $response;
$responseData = $response->getData();
if (isset($responseData['responses']) && is_array($responseData['responses'])) {
reset($searches);
foreach ($responseData['responses'] as $key => $responseData) {
$currentSearch = each($searches);
if ($currentSearch === false) {
throw new InvalidException('No result found for search #' . $key);
} elseif (!$currentSearch['value'] instanceof BaseSearch) {
throw new InvalidException('Invalid object for search #' . $key . ' provided. Should be Elastica\Search');
}
$search = $currentSearch['value'];
$query = $search->getQuery();
$response = new Response($responseData);
$this->_resultSets[$currentSearch['key']] = new BaseResultSet($response, $query);
}
}
}
/**
* @return array|\Elastica\ResultSet[]
*/
public function getResultSets()
{
return $this->_resultSets;
}
/**
* Returns response object
*
* @return \Elastica\Response Response object
*/
public function getResponse()
{
return $this->_response;
}
/**
* There is at least one result set with error
*
* @return bool
*/
public function hasError()
{
foreach ($this->getResultSets() as $resultSet) {
if ($resultSet->getResponse()->hasError()) {
return true;
}
}
return false;
}
/**
* @return bool|\Elastica\ResultSet
*/
public function current()
{
if ($this->valid()) {
return $this->_resultSets[$this->key()];
} else {
return false;
}
}
/**
* @return void
*/
public function next()
{
$this->_position++;
}
/**
* @return int
*/
public function key()
{
return $this->_position;
}
/**
* @return bool
*/
public function valid()
{
return isset($this->_resultSets[$this->key()]);
}
/**
* @return void
*/
public function rewind()
{
$this->_position = 0;
}
/**
* @return int
*/
public function count()
{
return count($this->_resultSets);
}
/**
* @param string|int $offset
* @return boolean true on success or false on failure.
*/
public function offsetExists($offset)
{
return isset($this->_resultSets[$offset]);
}
/**
* @param mixed $offset
* @return mixed Can return all value types.
*/
public function offsetGet($offset)
{
return isset($this->_resultSets[$offset]) ? $this->_resultSets[$offset] : null;
}
/**
* @param mixed $offset
* @param mixed $value
* @return void
*/
public function offsetSet($offset, $value)
{
if (is_null($offset)) {
$this->_resultSets[] = $value;
} else {
$this->_resultSets[$offset] = $value;
}
}
/**
* @param mixed $offset
* @return void
*/
public function offsetUnset($offset)
{
unset($this->_resultSets[$offset]);
}
}
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