public function saveChanges()
 {
     $values = $this->getValues();
     $target = $this->targetDao->findTarget($this->target);
     if (!$target) {
         $target = new Brabijan\SeoComponents\Entity\Target();
         $target->targetPresenter = $this->target->presenter;
         $target->targetAction = $this->target->action;
         $target->targetId = $this->target->id;
         $this->targetDao->save($target);
     }
     if (!$target->meta) {
         $meta = new Brabijan\SeoComponents\Entity\Meta();
         $meta->target = $target;
         $target->meta = $meta;
         $this->metaDao->save($meta);
         $this->targetDao->save($target);
     }
     $meta = $target->meta;
     $meta->seoTitle = $values->seoTitle;
     $meta->seoKeywords = $values->seoKeywords;
     $meta->seoDescription = $values->seoDescription;
     $meta->seoRobots = $values->seoRobots;
     $meta->sitemapChangeFreq = $values->sitemapChangeFreq;
     $meta->sitemapPriority = $values->sitemapPriority;
     $this->metaDao->save($meta);
     $currentRoute = $this->routeDao->findCurrentRouteByTarget($this->target);
     if ($values->route && (!$currentRoute || $currentRoute->slug !== $values->route)) {
         $this->routeDao->addRoute($target, $values->route);
     }
 }