EvaluateQueuedItem.java

class EvaluateQueuedItem extends Handler<ItemClass, QueueRow> {

  private final Id<QueueRow> id;

  public EvaluateQueuedItem(Id<QueueRow> id) {
    this.id = id;
  }

  @Override
  public void process() {
    handleQueuedItem(id, this::handle, QueueRow.class);
  }

  private void handle(ItemClass item) {
    // Handle the item.
  }

}