def find_timeline_entry(timeline, tl_entry_id)
      timeline_entry_hash = self.driver.find_timeline_entry(timeline.kind, tl_entry_id)
      if timeline_entry_hash
        # run hook
        self.run_hook(:did_find_timeline_entry, timeline_entry_hash, timeline.class)

        # unserialize
        Activr::Timeline::Entry.from_hash(timeline_entry_hash, timeline)
      else
        nil
      end
    end
def find_timeline_entry(timeline, tl_entry_id)
      timeline_entry_hash = self.driver.find_timeline_entry(timeline.kind, tl_entry_id)
      if timeline_entry_hash
        # run hook
        self.run_hook(:did_find_timeline_entry, timeline_entry_hash, timeline.class)

        # unserialize
        Activr::Timeline::Entry.from_hash(timeline_entry_hash, timeline)
      else
        nil
      end
    end
Find a timeline entry

 @param timeline    [Timeline] Timeline instance
 @param tl_entry_id [Object]   Timeline entry id
 @return [Timeline::Entry, Nil] Found timeline entry