fenzo-triggers/src/main/java/com/netflix/fenzo/triggers/persistence/InMemoryTriggerDao.java
@Override
    public Trigger getTrigger(String triggerId) {
        String triggerGroup = extractGroupFromId(triggerId);
        return read(triggerGroup, triggerId);
    }
@Override
    public Trigger getTrigger(String triggerId) {
        String triggerGroup = extractGroupFromId(triggerId);
        return read(triggerGroup, triggerId);
    }
@warn method description missing
@warn parameter triggerId description missing

@param triggerId
@return