fenzo-triggers/src/main/java/com/netflix/fenzo/triggers/persistence/AbstractInMemoryDao.java
protected void create(String group, String id, T type) {
        ConcurrentMap<String, T> subMap = new ConcurrentHashMap<String, T>();
        subMap.put(id, type);
        Map existingTriggerMap = map.putIfAbsent(group, subMap);
        if (existingTriggerMap != null) {
            synchronized (map) {
                map.get(group).put(id, type);
            }
        }
    }
protected void create(String group, String id, T type) {
        ConcurrentMap<String, T> subMap = new ConcurrentHashMap<String, T>();
        subMap.put(id, type);
        Map existingTriggerMap = map.putIfAbsent(group, subMap);
        if (existingTriggerMap != null) {
            synchronized (map) {
                map.get(group).put(id, type);
            }
        }
    }
@warn method description missing
@warn parameter descriptions missing

@param group
@param id
@param type