/** tests the PB.retrieveAllReferences() feature */
public void testRetrieveAllReferences() {
String name = "testRetrieveAllReferences_" + System.currentTimeMillis();
// ensure there is an item to find
Article tmpArticle = createArticle(name);
ProductGroup pg = createProductGroup(name);
tmpArticle.setProductGroup(pg);
broker.beginTransaction();
broker.store(pg);
broker.store(tmpArticle);
broker.commitTransaction();
Identity tmpOID = broker.serviceIdentity().buildIdentity(tmpArticle);
broker.clearCache();
ObjectReferenceDescriptor ord = null;
try {
// switch to shallow retrieval
ClassDescriptor cld = broker.getClassDescriptor(Article.class);
ord = (ObjectReferenceDescriptor) cld.getObjectReferenceDescriptors().get(0);
ord.setCascadeRetrieve(false);
Article article = (Article) broker.getObjectByIdentity(tmpOID);
assertNull("now reference should be null", article.getProductGroup());
// now force loading:
broker.retrieveAllReferences(article);
assertNotNull("now reference should NOT be null", article.getProductGroup());
// clean up cld
ord.setCascadeRetrieve(true);
} finally {
// restore old value
if (ord != null) ord.setCascadeRetrieve(true);
}
}
public void testShallowAndDeepRetrieval() throws Exception {
String name = "testShallowAndDeepRetrieval_" + System.currentTimeMillis();
ObjectReferenceDescriptor ord = null;
try {
// prepare test, create article with ProductGroup
Article tmpArticle = createArticle(name);
ProductGroup pg = createProductGroup(name);
tmpArticle.setProductGroup(pg);
pg.add(tmpArticle);
broker.beginTransaction();
// in repository Article 1:1 refererence to PG hasn't enabled auto-update,
// so first store the PG. PG has enabled auto-update and will store the
// article automatic
broker.store(pg);
broker.commitTransaction();
// after insert we can build the Article identity
Identity tmpOID = broker.serviceIdentity().buildIdentity(tmpArticle);
broker.clearCache();
// switch to shallow retrieval
ClassDescriptor cld = broker.getClassDescriptor(Article.class);
ord = cld.getObjectReferenceDescriptorByName("productGroup");
ord.setCascadeRetrieve(false);
Article article = (Article) broker.getObjectByIdentity(tmpOID);
assertNull("now reference should be null", article.getProductGroup());
// now switch to deep retrieval
ord.setCascadeRetrieve(true);
// should work without setting cld
// broker.setClassDescriptor(cld);
broker.clearCache();
article = (Article) broker.getObjectByIdentity(tmpOID);
assertNotNull("now reference should NOT be null", article.getProductGroup());
} finally {
// restore old value
if (ord != null) ord.setCascadeRetrieve(true);
}
}
/** tests the PB.retrieveReference() feature */
public void testRetrieveReference() throws Exception {
String name = "testRetrieveReference_" + System.currentTimeMillis();
// ensure there is an item to find
Article tmpArticle = createArticle(name);
ProductGroup pg = createProductGroup(name);
tmpArticle.setProductGroup(pg);
broker.beginTransaction();
broker.store(pg);
broker.store(tmpArticle);
broker.commitTransaction();
Identity tmpOID = broker.serviceIdentity().buildIdentity(tmpArticle);
broker.clearCache();
ObjectReferenceDescriptor ord = null;
try {
// switch to shallow retrieval
ClassDescriptor cld = broker.getClassDescriptor(Article.class);
// article only has one ord
ord = cld.getObjectReferenceDescriptorByName("productGroup");
ord.setCascadeRetrieve(false);
Article article = (Article) broker.getObjectByIdentity(tmpOID);
assertNull("now reference should be null", article.getProductGroup());
// now force loading:
broker.retrieveReference(article, "productGroup");
assertNotNull("now reference should NOT be null", article.getProductGroup());
// repair cld
ord.setCascadeRetrieve(true);
// should work without setting cld
// broker.setClassDescriptor(cld);
} finally {
// restore old value
if (ord != null) ord.setCascadeRetrieve(true);
}
}