NotificationPreferencesServiceImpl.java 文件源码

private Multimap<String, String> asMultiMap(Map<String, String> allWatched) {
    Multimap<String, String> colMap = HashMultimap.create();
    for( Entry<String, String> entry : allWatched.entrySet() )
    {
        String pref = entry.getValue();
        String userId = entry.getKey();
        Set<String> colUuids = getCollectionsFromPref(pref);
        for( String colUuid : colUuids )
        {
            colMap.put(colUuid, userId);
        }
    }
    return colMap;
}