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Java > Open Source Codes > com > db4o > test > QueryForStringKeyInMap


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

21 package com.db4o.test;
22
23 import java.util.*;
24
25 import com.db4o.*;
26 import com.db4o.ext.*;
27 import com.db4o.query.*;
28
29
30 public class QueryForStringKeyInMap {
31     
32     String JavaDoc name;
33     Map map;
34     
35     public void store(){
36         store1("one");
37         store1("two");
38         store1("three");
39     }
40     
41     private void store1(String JavaDoc key){
42         ExtObjectContainer oc = Test.objectContainer();
43         QueryForStringKeyInMap holder = new QueryForStringKeyInMap();
44         oc.set(holder);
45         holder.map = oc.collections().newHashMap(1);
46         holder.map.put("somethingelse", "somethingelse");
47         holder.map.put(key, key);
48         holder.name = key;
49     }
50     
51     public void test(){
52         t1("one");
53         t1("two");
54         t1("three");
55     }
56     
57     private void t1(String JavaDoc key){
58         Query q = Test.query();
59         q.constrain(QueryForStringKeyInMap.class);
60         q.descend("map").constrain(key);
61         ObjectSet objectSet = q.execute();
62         Test.ensure(objectSet.size() == 1);
63         QueryForStringKeyInMap holder = (QueryForStringKeyInMap)objectSet.next();
64         Test.ensure(holder.map.get(key).equals(key));
65         Test.ensure(holder.name.equals(key));
66     }
67
68 }
69
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