@startuml

interface IProcessor
class processor implements IProcessor

class searcher
processor --> searcher

class car_searcher
processor --> car_searcher



abstract class srv_base
class event_looper extends srv_base
event_looper --> "1" IProcessor

abstract class tcp_client {
         abstract function remote_addr;
}
class search_client extends tcp_client
class relation_client extends tcp_client
class factory_client extends tcp_client
class room_client extends tcp_client

class one_one {
public function add($key,$val)
public function get($key)
}
note bottom of one_one : 单个Key获取单个值

class one_multi {
public function add($key,$val)
public function get($key)
}
note bottom of one_multi : 一个Key获取多个值

class indexer {
public function parase($words,$value)
public function find($key)
public function name($val)
}
class brand_dict extends indexer
class category_dict extends indexer
class goods_dict extends indexer
class special_dict extends indexer

searcher --> "1" brand_dict
searcher --> "1" category_dict
searcher --> "1" goods_dict
searcher --> "1" special_dict
searcher --> "1" valtokey

car_searcher --> "1" brand_dict
car_searcher --> "1" category_dict
car_searcher --> "1" goods_dict
car_searcher --> "1" special_dict
car_searcher --> "1" valtokey

brand_dict --> "1" one_one
goods_dict --> "1" one_one
special_dict --> "1" one_one
category_dict --> "1" parent_sub_tree
brand_dict --> "1" one_multi
category_dict --> "1" one_multi

note top of indexer : 添加句子自动分词，\n建立和值之间的关系，\n然后通过字获取值，\n也可通过值获取原始词

class valtokey {
    public function add($key,$val)
    public function finish()
    public function findless($val,$start,$length)
    public function findall($val)
}

class parent_sub_tree {
public function add($id,$pid)
public function is_parent($hot)
public function subs($hot)
}
note bottom of parent_sub_tree : 将父子关系表达为一维hash结构

class word_segment
indexer --> word_segment
note bottom of word_segment : 过滤掉一些符号字符，中文按字组织，英文凑成词组织



@enduml