private void init(String path){
        String key = fetchNode(path);
        if(isList(key)){
            type = TYPE_LIST;
            name = key.substring(0, key.indexOf(LIST_SEPARATOR));
            return;
        }
        name = key;
    }
private void init(String path){
        String key = fetchNode(path);
        if(isList(key)){
            type = TYPE_LIST;
            name = key.substring(0, key.indexOf(LIST_SEPARATOR));
            return;
        }
        name = key;
    }
private void init ( String path ) { String key = fetchNode ( path ) ; if ( isList ( key ) ) { type = TYPE_LIST ; name = key . substring ( 0 , key . indexOf ( LIST_SEPARATOR ) ) ; return ; } name = key ; }
初始化name, type信息
@param path
初始化name type信息