code: public Set<Node> getAllNotDead() {
  		Set<Node> allNotDeadNodesSet = new HashSet<Node>();
  
  		for (Node node : socketToNodeMap.values()) {
  			if (!NodeStatus.DEAD.equals(node.getStatus())) {
  				allNotDeadNodesSet.add(node);
  			}
  		}
  
  		return allNotDeadNodesSet;
  	}
docs: Gets all the nodes not in status DEAD.
  
  @return - all the nodes not in status DEAD.