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1
21 package com.db4o.db4ounit.jre12.fieldindex;
22
23 import java.util.*;
24
25 import com.db4o.ObjectSet;
26 import com.db4o.config.*;
27 import com.db4o.query.Query;
28
29 import db4ounit.Assert;
30 import db4ounit.extensions.AbstractDb4oTestCase;
31
32
35 public class CollectionFieldIndexTestCase extends AbstractDb4oTestCase {
36
37 public static void main(String  [] args) {
38 new CollectionFieldIndexTestCase().runSolo();
39 }
40
41 private static class Item {
42 private String _name;
43
44 public Item(String name) {
45 _name = name;
46 }
47
48 public String getName() {
49 return _name;
50 }
51 }
52
53 private static class UntypedContainer {
54 private Object _set = new HashSet();
55
56 public UntypedContainer(Object item) {
57 ((Set)_set).add(item);
58 }
59
60 public Iterator iterator() {
61 return ((Set)_set).iterator();
62 }
63 }
64
65 protected void configure(Configuration config) {
66 indexField(config,Item.class, "_name");
67 indexField(config,UntypedContainer.class, "_set");
68 }
69
70 protected void store() throws Exception {
71 db().set(new UntypedContainer(new Item("foo")));
72 db().set(new UntypedContainer(new Item("bar")));
73 }
74
75 public void testUntypedContainer() {
76 final Query q = db().query();
77 q.constrain(UntypedContainer.class);
78 q.descend("_set").descend("_name").constrain("foo");
79
80 final ObjectSet result = q.execute();
81 Assert.areEqual(1, result.size());
82
83 final UntypedContainer container = (UntypedContainer)result.next();
84 final Item item = (Item)container.iterator().next();
85 Assert.areEqual("foo", item.getName());
86 }
87
88 }
89 |
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