提交 | 用户 | 时间 | ||
58d006 | 1 | package com.mandi.fendan.util; |
A | 2 | |
3 | public class DBchecksingleton { | |
4 | ||
5 | private volatile static String dbc; | |
6 | ||
7 | private DBchecksingleton(){ | |
8 | ||
9 | } | |
10 | ||
11 | public static String setDbc(String dbcUUID,boolean delBdc){ | |
12 | synchronized (DBchecksingleton.class){ | |
13 | if(dbc==null){ | |
14 | if(!delBdc){ | |
15 | dbc=dbcUUID; | |
16 | } | |
17 | }else{ | |
18 | if(delBdc){ | |
19 | if(dbc.equals(dbcUUID)){ | |
20 | dbc=null; | |
21 | } | |
22 | } | |
23 | } | |
24 | } | |
25 | return dbc; | |
26 | } | |
27 | } |