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1 package org.apache.ojb.broker;
2
3 import java.util.List  ;
4
5 import org.apache.ojb.broker.metadata.ClassDescriptor;
6 import org.apache.ojb.broker.metadata.ObjectReferenceDescriptor;
7 import org.apache.ojb.broker.query.QueryFactory;
8 import org.apache.ojb.junit.PBTestCase;
9
10
14 public class BrokerExamples extends PBTestCase
15 {
16 public static void main(String [] args)
17 {
18 String [] arr = {BrokerExamples.class.getName()};
19 junit.textui.TestRunner.main(arr);
20 }
21
22 public BrokerExamples(String name)
23 {
24 super(name);
25 }
26
27 Article createArticle(String name)
28 {
29 Article a = new Article();
30 a.setArticleName(name);
31 a.setIsSelloutArticle(true);
32 a.setMinimumStock(100);
33 a.setOrderedUnits(17);
34 a.setPrice(0.45);
35 a.setStock(234);
36 a.setSupplierId(4);
37 a.setUnit("bottle");
38 return a;
39 }
40
41 ProductGroup createProductGroup(String name)
42 {
43 ProductGroup tmpPG = new ProductGroup();
44 tmpPG.setGroupName(name);
45 return tmpPG;
46 }
47
48 public void testCollectionRetrieval() throws Exception
49 {
50 for (int i = 1; i < 9; i++)
56 {
57 ProductGroup example = new ProductGroup();
58 example.setId(new Integer (i));
59
60 ProductGroup group =
61 (ProductGroup) broker.getObjectByQuery(QueryFactory.newQuery(example));
62 assertNotNull("Expect a ProductGroup with id " + i, group);
63 assertEquals("should be equal", i, group.getId().intValue());
64 List articleList = group.getAllArticles();
65 for(int j = 0; j < articleList.size(); j++)
66 {
67 Object o = articleList.get(j);
68 assertNotNull(o);
69 }
70 }
71 }
72
73 public void testModifications() throws Exception
74 {
75 String name = "testModifications_" + System.currentTimeMillis();
76
77 Article article = createArticle(name);
79
80 Identity oid = null;
81 broker.beginTransaction();
82 for (int i = 1; i < 50; i++)
83 {
84 article.addToStock(10);
85 broker.store(article);
86 broker.delete(article);
87 broker.store(article);
88 if(i == 1)
89 {
90 oid = broker.serviceIdentity().buildIdentity(article);
92 }
93 }
94 broker.commitTransaction();
95
96 Article result = (Article) broker.getObjectByIdentity(oid);
97 assertNotNull(result);
98 assertEquals(article.getArticleName(), result.getArticleName());
99 }
100
101 public void testShallowAndDeepRetrieval() throws Exception
102 {
103 String name = "testShallowAndDeepRetrieval_" + System.currentTimeMillis();
104
105 ObjectReferenceDescriptor ord = null;
106
107 try
108 {
109 Article tmpArticle = createArticle(name);
111 ProductGroup pg = createProductGroup(name);
112 tmpArticle.setProductGroup(pg);
113 pg.add(tmpArticle);
114
115 broker.beginTransaction();
116 broker.store(pg);
120 broker.commitTransaction();
121 Identity tmpOID = broker.serviceIdentity().buildIdentity(tmpArticle);
123 broker.clearCache();
124
125 ClassDescriptor cld = broker.getClassDescriptor(Article.class);
127 ord = cld.getObjectReferenceDescriptorByName("productGroup");
128 ord.setCascadeRetrieve(false);
129
130 Article article = (Article) broker.getObjectByIdentity(tmpOID);
131 assertNull("now reference should be null", article.getProductGroup());
132
133 ord.setCascadeRetrieve(true);
135 broker.clearCache();
138 article = (Article) broker.getObjectByIdentity(tmpOID);
139 assertNotNull("now reference should NOT be null", article.getProductGroup());
140 }
141 finally
142 {
143 if(ord != null) ord.setCascadeRetrieve(true);
145 }
146 }
147
148
149
152 public void testRetrieveReference() throws Exception
153 {
154 String name = "testRetrieveReference_" + System.currentTimeMillis();
155
156 Article tmpArticle = createArticle(name);
158 ProductGroup pg = createProductGroup(name);
159 tmpArticle.setProductGroup(pg);
160 broker.beginTransaction();
161 broker.store(pg);
162 broker.store(tmpArticle);
163 broker.commitTransaction();
164 Identity tmpOID = broker.serviceIdentity().buildIdentity(tmpArticle);
165 broker.clearCache();
166
167 ObjectReferenceDescriptor ord = null;
168 try
169 {
170 ClassDescriptor cld = broker.getClassDescriptor(Article.class);
172 ord = cld.getObjectReferenceDescriptorByName("productGroup");
174 ord.setCascadeRetrieve(false);
175
176 Article article = (Article) broker.getObjectByIdentity(tmpOID);
177 assertNull("now reference should be null", article.getProductGroup());
178
179 broker.retrieveReference(article, "productGroup");
181 assertNotNull("now reference should NOT be null", article.getProductGroup());
182
183 ord.setCascadeRetrieve(true);
185 }
188 finally
189 {
190 if(ord != null) ord.setCascadeRetrieve(true);
192 }
193 }
194
195
198 public void testRetrieveAllReferences()
199 {
200 String name = "testRetrieveAllReferences_" + System.currentTimeMillis();
201
202 Article tmpArticle = createArticle(name);
204 ProductGroup pg = createProductGroup(name);
205 tmpArticle.setProductGroup(pg);
206
207 broker.beginTransaction();
208 broker.store(pg);
209 broker.store(tmpArticle);
210 broker.commitTransaction();
211 Identity tmpOID = broker.serviceIdentity().buildIdentity(tmpArticle);
212 broker.clearCache();
213 ObjectReferenceDescriptor ord = null;
214 try
215 {
216 ClassDescriptor cld = broker.getClassDescriptor(Article.class);
218 ord = (ObjectReferenceDescriptor) cld.getObjectReferenceDescriptors().get(0);
219 ord.setCascadeRetrieve(false);
220
221 Article article = (Article) broker.getObjectByIdentity(tmpOID);
222 assertNull("now reference should be null", article.getProductGroup());
223
224 broker.retrieveAllReferences(article);
226 assertNotNull("now reference should NOT be null", article.getProductGroup());
227
228 ord.setCascadeRetrieve(true);
230 }
231 finally
232 {
233 if(ord != null) ord.setCascadeRetrieve(true);
235 }
236
237 }
238 }
239 |
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