/**
  * Specifies the data which should be serialized to JSON
  * @return scalar
  */
 public function jsonSerialize()
 {
     if (!$this->links && $this->data === false && !$this->meta) {
         throw new JsonApiException('Could not get json value: A relationship MUST contain at least links, data or a meta top-level member');
     }
     $value = array();
     if ($this->links) {
         $value['links'] = $this->links;
     }
     if ($this->data !== false) {
         if (is_array($this->data)) {
             $value['data'] = array();
             foreach ($this->data as $data) {
                 $value['data'][] = $data->getJsonValue(false);
             }
         } elseif ($this->data) {
             $value['data'] = $this->data->getJsonValue(false);
         } else {
             $value['data'] = null;
         }
     }
     if ($this->meta) {
         $value['meta'] = $this->meta;
     }
     return $value;
 }
 /**
  * Gets a representation of this element ready for JSON encoding
  * @param boolean $full Flag to see if the full version should be returned
  * @return scalar
  */
 public function getJsonValue($full = true)
 {
     if ($this->data === false && !$this->errors && !$this->meta) {
         throw new JsonApiException('Could not get json value: A document MUST contain at least the data, errors or meta top-level member');
     }
     $value = array('jsonapi' => array('version' => '1.0'));
     if ($this->links) {
         $value['links'] = $this->links;
     }
     if ($this->errors) {
         $value['errors'] = $this->errors;
     } elseif ($this->data !== false) {
         if (is_array($this->data)) {
             $value['data'] = array();
             foreach ($this->data as $data) {
                 $value['data'][] = $data->getJsonValue(true);
             }
         } elseif ($this->data) {
             $value['data'] = $this->data->getJsonValue(true);
         } else {
             $value['data'] = null;
         }
         if ($this->included) {
             $value['included'] = array();
             foreach ($this->included as $type => $resources) {
                 foreach ($resources as $resource) {
                     $value['included'][] = $resource->getJsonValue(true);
                 }
             }
         }
     }
     if ($this->meta) {
         $value['meta'] = $this->meta;
     }
     return $value;
 }