/**
  * @param array<string> $keys
  * @return \Kbrw\RiakBundle\Model\KV\Datas
  */
 public function fetch($keys)
 {
     $datas = new Datas();
     foreach ($keys as $key) {
         if (array_key_exists($key, $this->content)) {
             $datas->add(new Data($key, $this->content[$key]));
         }
     }
     return $datas;
 }
 /**
  * @param  mixed | \Kbrw\RiakBundle\Model\KV\Data | array<string, mixed> | array<\Kbrw\RiakBundle\Model\KV\Data> | \Kbrw\RiakBundle\Model\KV\Datas $objects
  * @param  string                                                                                                                                  $format
  * @param  string                                                                                                                                  $clientId
  * @return \Kbrw\RiakBundle\Model\KV\Datas
  */
 public function normalizeDatas($objects, $format, $clientId, $objectsAreKeys = false)
 {
     $datas = new Datas();
     /* Normalize $objects to become an array<Data>*/
     // $objects is already a Datas instance.
     if ($objects instanceof \Kbrw\RiakBundle\Model\KV\Datas) {
         $objects = $objects->getDatas();
     } elseif ($objects instanceof \Kbrw\RiakBundle\Model\KV\Data) {
         $objects = array($objects);
     } elseif (is_string($objects) && $objectsAreKeys) {
         $objects = array(new Data($objects));
     } elseif (is_object($objects) && !$objectsAreKeys) {
         $objects = array(new Data(null, $objects));
     } else {
         $tmp = array();
         // $objects is an array<string, mixed>
         foreach ($objects as $key => $value) {
             if ($value instanceof \Kbrw\RiakBundle\Model\KV\Data) {
                 $tmp[] = $value;
             } else {
                 if ($objectsAreKeys) {
                     $data = new Data(trim($value));
                 } else {
                     $data = new Data(trim($key), $value);
                 }
                 $tmp[] = $data;
             }
         }
         $objects = $tmp;
     }
     foreach ($objects as $data) {
         // prepare headers
         $data->getHeaderBag()->set("X-Riak-ClientId", $clientId);
         $data->getHeaderBag()->set("Content-Type", $this->contentTypeNormalizer->getContentType($format));
         $content = $data->getContent();
         if (isset($content) && $content instanceof BaseRiakObject) {
             $vectorClock = $content->getRiakVectorClock();
             if (!empty($vectorClock)) {
                 $data->getHeaderBag()->set("X-Riak-Vclock", $vectorClock);
             }
             $linkValue = "";
             foreach ($content->getRiakLinks() as $link) {
                 $linkValue .= (!empty($linkValue) ? ", " : "") . "<" . $link->getKv() . "> riaktag=\"" . $link->getRiakTag() . "\"";
             }
             if (!empty($linkValue)) {
                 $data->getHeaderBag()->set("Link", $linkValue);
             }
         }
         // prepare string representation
         if (isset($content) && $this->contentTypeNormalizer->isFormatSupportedForSerialization($format)) {
             $data->setStringContent($this->serializer->serialize($content, $format));
         } elseif (isset($content)) {
             $data->setStringContent($content);
         }
         $datas->add($data);
     }
     return $datas;
 }
 /**
  * @param  \Kbrw\RiakBundle\Model\Cluster\Cluster $cluster
  * @param  \Kbrw\RiakBundle\Model\Bucket\Bucket   $bucket
  * @param  array<string>                          $keys
  * @return \Kbrw\RiakBundle\Model\KV\Datas
  */
 public function fetch($cluster, $bucket, $keys)
 {
     if (!is_array($keys)) {
         $keys = array($keys);
     }
     $datas = new Datas();
     // Split work in smaller pieces to avoid exception caused by too many opened connections
     if (count($keys) > $cluster->getMaxParallelCalls()) {
         $chunks = array_chunk($keys, $cluster->getMaxParallelCalls());
         foreach ($chunks as $chunk) {
             $datas->addAll($this->fetch($cluster, $bucket, $chunk));
         }
         return $datas;
     }
     foreach ($keys as $key) {
         $key = trim($key);
         $data = new Data($key);
         if (isset($this->content[$key])) {
             $data->setStringContent($this->content[$key]);
             if ($this->contentTypeNormalizer->isFormatSupportedForSerialization($bucket->getFormat())) {
                 /*var_dump($data->getRawContent());
                   var_dump($bucket->getFullyQualifiedClassName());
                   var_dump($bucket->getFormat());
                   exit;*/
                 $riakKVObject = $this->serializer->deserialize($data->getContent(true), $bucket->getFullyQualifiedClassName(), $bucket->getFormat());
                 if ($riakKVObject !== false) {
                     if ($riakKVObject instanceof Transmutable) {
                         $riakKVObject = $riakKVObject->transmute();
                     }
                     $data->setContent($riakKVObject);
                 }
             }
         }
         $datas->add($data);
     }
     return $datas;
 }