private void assertTimeoutOccursOnScroll() {
FullTextQuery hibernateQuery = fts.createFullTextQuery(noMatchQuery, Clock.class);
hibernateQuery.setTimeout(10, TimeUnit.MICROSECONDS);
try {
hibernateQuery.scroll();
fail("timeout exception should happen");
} catch (QueryTimeoutException e) {
// good
} catch (Exception e) {
fail("Expected a QueryTimeoutException");
}
fts.clear();
}
@Override
public int count(Query query, Criteria crit) {
assertCriteriaEntity(crit);
int count = 0;
FullTextSession fullTextSession = getFullTextSession();
FullTextQuery fq = fullTextSession.createFullTextQuery(query, Page.class);
fq.setCriteriaQuery(crit != null ? crit : pageDao.criteria());
ScrollableResults sr = fq.scroll(ScrollMode.FORWARD_ONLY);
if (sr.last()) {
count = sr.getRowNumber();
}
sr.close();
return count;
}
/**
* This is the same test as above with a projection query to show the presence of the ClassBridge
* impl built fields just in case you don't believe us.
*
* @throws Exception
*/
public void testClassBridgesWithProjection() throws Exception {
org.hibernate.Session s = openSession();
Transaction tx = s.beginTransaction();
s.persist(getDepts1());
s.persist(getDepts2());
s.persist(getDepts3());
s.persist(getDepts4());
s.flush();
tx.commit();
tx = s.beginTransaction();
FullTextSession session = Search.getFullTextSession(s);
// The equipment field is the manufacturer field in the
// Departments entity after being massaged by passing it
// through the EquipmentType class. This field is in
// the Lucene document but not in the Department entity itself.
QueryParser parser =
new QueryParser(
TestConstants.getTargetLuceneVersion(), "equipment", TestConstants.simpleAnalyzer);
// Check the second ClassBridge annotation
Query query = parser.parse("equiptype:Cisco");
org.hibernate.search.FullTextQuery hibQuery =
session.createFullTextQuery(query, Departments.class);
hibQuery.setProjection(FullTextQuery.THIS, FullTextQuery.DOCUMENT);
ScrollableResults projections = hibQuery.scroll();
assertNotNull(projections);
projections.beforeFirst();
projections.next();
Object[] projection = projections.get();
assertTrue("DOCUMENT incorrect", projection[0] instanceof Departments);
assertEquals("id incorrect", 1, ((Departments) projection[0]).getId());
assertTrue("DOCUMENT incorrect", projection[1] instanceof Document);
assertEquals("DOCUMENT size incorrect", 8, ((Document) projection[1]).getFields().size());
assertNotNull("equiptype is null", ((Document) projection[1]).getField("equiptype"));
assertEquals(
"equiptype incorrect",
"Cisco",
((Document) projection[1]).getField("equiptype").stringValue());
assertNotNull("branchnetwork is null", ((Document) projection[1]).getField("branchnetwork"));
assertEquals(
"branchnetwork incorrect",
"Salt Lake City 1A",
((Document) projection[1]).getField("branchnetwork").stringValue());
projections.next();
projection = projections.get();
assertTrue("DOCUMENT incorrect", projection[0] instanceof Departments);
assertEquals("id incorrect", 4, ((Departments) projection[0]).getId());
assertTrue("DOCUMENT incorrect", projection[1] instanceof Document);
assertEquals("DOCUMENT size incorrect", 8, ((Document) projection[1]).getFields().size());
assertNotNull("equiptype is null", ((Document) projection[1]).getField("equiptype"));
assertEquals(
"equiptype incorrect",
"Cisco",
((Document) projection[1]).getField("equiptype").stringValue());
assertNotNull("branchnetwork is null", ((Document) projection[1]).getField("branchnetwork"));
assertEquals(
"branchnetwork incorrect",
"St. George 1D",
((Document) projection[1]).getField("branchnetwork").stringValue());
assertTrue("incorrect result count returned", projections.isLast());
// cleanup
for (Object element : s.createQuery("from " + Departments.class.getName()).list()) {
s.delete(element);
}
tx.commit();
s.close();
}
@Override
public StorageResults visit(Select select) {
// TMDM-4654: Checks if entity has a composite PK.
Set<ComplexTypeMetadata> compositeKeyTypes = new HashSet<ComplexTypeMetadata>();
// TMDM-7496: Search should include references to reused types
Collection<ComplexTypeMetadata> types =
new HashSet<ComplexTypeMetadata>(select.accept(new SearchTransitiveClosure()));
for (ComplexTypeMetadata type : types) {
if (type.getKeyFields().size() > 1) {
compositeKeyTypes.add(type);
}
}
if (!compositeKeyTypes.isEmpty()) {
StringBuilder message = new StringBuilder();
Iterator it = compositeKeyTypes.iterator();
while (it.hasNext()) {
ComplexTypeMetadata compositeKeyType = (ComplexTypeMetadata) it.next();
message.append(compositeKeyType.getName());
if (it.hasNext()) {
message.append(',');
}
}
throw new FullTextQueryCompositeKeyException(message.toString());
}
// Removes Joins and joined fields.
List<Join> joins = select.getJoins();
if (!joins.isEmpty()) {
Set<ComplexTypeMetadata> joinedTypes = new HashSet<ComplexTypeMetadata>();
for (Join join : joins) {
joinedTypes.add(join.getRightField().getFieldMetadata().getContainingType());
}
for (ComplexTypeMetadata joinedType : joinedTypes) {
types.remove(joinedType);
}
List<TypedExpression> filteredFields = new LinkedList<TypedExpression>();
for (TypedExpression expression : select.getSelectedFields()) {
if (expression instanceof Field) {
FieldMetadata fieldMetadata = ((Field) expression).getFieldMetadata();
if (joinedTypes.contains(fieldMetadata.getContainingType())) {
TypeMapping mapping =
mappings.getMappingFromDatabase(fieldMetadata.getContainingType());
filteredFields.add(
new Alias(
new StringConstant(StringUtils.EMPTY),
mapping.getUser(fieldMetadata).getName()));
} else {
filteredFields.add(expression);
}
} else {
filteredFields.add(expression);
}
}
selectedFields.clear();
selectedFields.addAll(filteredFields);
}
// Handle condition
Condition condition = select.getCondition();
if (condition == null) {
throw new IllegalArgumentException("Expected a condition in select clause but got 0.");
}
// Create Lucene query (concatenates all sub queries together).
FullTextSession fullTextSession = Search.getFullTextSession(session);
Query parsedQuery = select.getCondition().accept(new LuceneQueryGenerator(types));
// Create Hibernate Search query
Set<Class> classes = new HashSet<Class>();
for (ComplexTypeMetadata type : types) {
String className = ClassCreator.getClassName(type.getName());
try {
ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
classes.add(contextClassLoader.loadClass(className));
} catch (ClassNotFoundException e) {
throw new RuntimeException("Could not find class '" + className + "'.", e);
}
}
FullTextQuery fullTextQuery =
fullTextSession.createFullTextQuery(
parsedQuery, classes.toArray(new Class<?>[classes.size()]));
// Very important to leave this null (would disable ability to search across different types)
fullTextQuery.setCriteriaQuery(null);
fullTextQuery.setSort(Sort.RELEVANCE); // Default sort (if no order by specified).
query =
EntityFinder.wrap(
fullTextQuery,
(HibernateStorage) storage,
session); // ensures only MDM entity objects are returned.
// Order by
for (OrderBy current : select.getOrderBy()) {
current.accept(this);
}
// Paging
Paging paging = select.getPaging();
paging.accept(this);
pageSize = paging.getLimit();
boolean hasPaging = pageSize < Integer.MAX_VALUE;
if (!hasPaging) {
return createResults(query.scroll(ScrollMode.FORWARD_ONLY));
} else {
return createResults(query.list());
}
}
