/**
  * {@inheritdoc}
  */
 public function build(RouteMatchInterface $route_match)
 {
     $breadcrumb = parent::build($route_match);
     $parents = $this->forumManager->getParents($route_match->getParameter('node')->forum_tid);
     if ($parents) {
         $parents = array_reverse($parents);
         foreach ($parents as $parent) {
             $breadcrumb[] = Link::createFromRoute($parent->label(), 'forum.page', array('taxonomy_term' => $parent->id()));
         }
     }
     return $breadcrumb;
 }
 /**
  * {@inheritdoc}
  */
 public function build(RouteMatchInterface $route_match)
 {
     $breadcrumb = parent::build($route_match);
     // Add all parent forums to breadcrumbs.
     $term_id = $route_match->getParameter('taxonomy_term')->id();
     $parents = $this->forumManager->getParents($term_id);
     if ($parents) {
         foreach (array_reverse($parents) as $parent) {
             if ($parent->id() != $term_id) {
                 $breadcrumb[] = $this->l($parent->label(), 'forum.page', array('taxonomy_term' => $parent->id()));
             }
         }
     }
     return $breadcrumb;
 }
 /**
  * {@inheritdoc}
  */
 public function build(RouteMatchInterface $route_match)
 {
     $breadcrumb = parent::build($route_match);
     $breadcrumb->addCacheContexts(['route']);
     // Add all parent forums to breadcrumbs.
     /** @var \Drupal\Taxonomy\TermInterface $term */
     $term = $route_match->getParameter('taxonomy_term');
     $term_id = $term->id();
     $breadcrumb->addCacheableDependency($term);
     $parents = $this->forumManager->getParents($term_id);
     if ($parents) {
         foreach (array_reverse($parents) as $parent) {
             if ($parent->id() != $term_id) {
                 $breadcrumb->addCacheableDependency($parent);
                 $breadcrumb->addLink(Link::createFromRoute($parent->label(), 'forum.page', ['taxonomy_term' => $parent->id()]));
             }
         }
     }
     return $breadcrumb;
 }