本文整理汇总了Java中javax.persistence.PersistenceUnitUtil类的典型用法代码示例。如果您正苦于以下问题：Java PersistenceUnitUtil类的具体用法？Java PersistenceUnitUtil怎么用？Java PersistenceUnitUtil使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
PersistenceUnitUtil类属于javax.persistence包，在下文中一共展示了PersistenceUnitUtil类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: primaryKeyAsObject
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
/**
* returns the objects ID as a Object value. Native data types like int and long are casted to Integer and Long.
*
* @param entity
* @return
* @throws AnnotationNotFoundException
*/
public static Object primaryKeyAsObject(Object entity) throws AnnotationNotFoundException {
if (entity == null) return null;
try {
Object id = getValueOfAnnotatedFieldOrMethod(entity, Id.class);
if (id == null) {
// OpenJPA returns proprietary object type
EntityManager em = Context.internalRequestScope().getApplicationEntityManager();
if (em.getEntityManagerFactory() == null || em.getEntityManagerFactory().getPersistenceUnitUtil() == null) {
throw new CibetException("CibetContext.getApplicationEntityManager().getEntityManagerFactory() is null");
}
PersistenceUnitUtil puu = em.getEntityManagerFactory().getPersistenceUnitUtil();
id = puu.getIdentifier(entity);
log.debug("found primary key from PersistenceUnitUtil: " + id);
} else {
log.debug("found primary key from annotation: " + id);
}
return id;
} catch (IllegalArgumentException e) {
throw new AnnotationNotFoundException(e.getMessage());
}
}
示例2: init
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
public void init() {
log.info("call init, id @" + id);
if (id != null) {
//this.post = em.find(Post.class, this.id);
EntityGraph postEntityGraph=em.getEntityGraph("post");
// EntityGraph postEntityGraph=em.createEntityGraph(Post.class);
// postEntityGraph.addAttributeNodes("title");
// postEntityGraph.addSubgraph("comments").addAttributeNodes("content");
this.post=em
.createQuery("select p from Post p where p.id=:id", Post.class)
.setHint("javax.persistence.loadgraph", postEntityGraph)
.setParameter("id", this.id)
.getResultList()
.get(0);
PersistenceUnitUtil util=em.getEntityManagerFactory().getPersistenceUnitUtil();
log.info("title is [email protected]"+util.isLoaded(this.post, "title"));
log.info("body is [email protected]"+util.isLoaded(this.post, "body"));
log.info("comments is [email protected]"+util.isLoaded(this.post, "comments"));
} else {
throw new RuntimeException("id is required");
}
}
示例3: testFindProductWithJoinFetch
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@Transactional
public void testFindProductWithJoinFetch() throws Exception {
JPAQuery query = new JPAQuery(em);
QProduct path = QProduct.product;
Product results = query.from(path)
.join(path.stockKeepingUnits)
.fetch() // Eager fetch the last join
.where(path.productId.eq(1))
.uniqueResult(path);
// Get the PersistenceUnitUtil
PersistenceUnitUtil util = em.getEntityManagerFactory().getPersistenceUnitUtil();
// Check that the eager fetching occurred!
Assert.assertTrue(util.isLoaded(results, "stockKeepingUnits"));
}
示例4: testFindSkuWithFetchAll
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@Transactional
public void testFindSkuWithFetchAll() throws Exception {
JPAQuery query = new JPAQuery(em);
QStockKeepingUnit path = QStockKeepingUnit.stockKeepingUnit;
StockKeepingUnit results = query.from(path)
.fetchAll() // Get all non-association fields eagerly
.singleResult(path);
// Get the PersistenceUnitUtil
PersistenceUnitUtil util = em.getEntityManagerFactory().getPersistenceUnitUtil();
// Check that the eager fetching occurred!
Assert.assertTrue(util.isLoaded(results));
}
示例5: testFindSkuWithJoinFetch
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@Transactional
public void testFindSkuWithJoinFetch() throws Exception {
JPAQuery query = new JPAQuery(em);
QStockKeepingUnit path = QStockKeepingUnit.stockKeepingUnit;
StockKeepingUnit results = query.from(path)
.join(path.product())
.fetch() // Get the product eagerly
.singleResult(path);
// Get the PersistenceUnitUtil
PersistenceUnitUtil util = em.getEntityManagerFactory().getPersistenceUnitUtil();
// Check that the eager fetching occurred!
Assert.assertTrue(util.isLoaded(results, "product"));
}
示例6: shouldLoadArtistWithLiveConcertsAndNoContracts
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@InSequence(4)
public void shouldLoadArtistWithLiveConcertsAndNoContracts()
throws Exception {
Artist artist = getArtistWithEntityGraph(
"Artist.WithConcertsAndNoContracts");
PersistenceUnitUtil util =
em.getEntityManagerFactory().getPersistenceUnitUtil();
System.out.printf("++++ artist=%s\n", artist);
assertTrue(util.isLoaded(artist, "id"));
assertTrue(util.isLoaded(artist, "name"));
assertTrue(util.isLoaded(artist, "events"));
ConcertEvent event = artist.getEvents().values().iterator().next();
System.out.printf("++++ concert event=%s\n", event );
assertTrue(util.isLoaded(event, "id"));
assertTrue(util.isLoaded(event, "name"));
assertTrue(util.isLoaded(event, "eventType"));
assertFalse(util.isLoaded(event, "contracts"));
}
示例7: shouldLoadArtistWithLiveConcertsAndContracts
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@InSequence(5)
public void shouldLoadArtistWithLiveConcertsAndContracts()
throws Exception{
EntityGraph artistGraph = em.getEntityGraph("Artist.WithConcertsAndContracts");
PersistenceUnitUtil util =
em.getEntityManagerFactory().getPersistenceUnitUtil();
Artist artist = getArtistWithEntityGraph(
"Artist.WithConcertsAndContracts");
System.out.printf("++++ artist=%s\n", artist);
assertTrue(util.isLoaded(artist, "id"));
assertTrue(util.isLoaded(artist, "name"));
assertTrue(util.isLoaded(artist, "events"));
ConcertEvent event = artist.getEvents().values().iterator().next();
System.out.printf("++++ concert event=%s\n", event );
assertTrue(util.isLoaded(event, "id"));
assertTrue(util.isLoaded(event, "name"));
assertTrue(util.isLoaded(event, "eventType"));
assertTrue(util.isLoaded(event, "contracts"));
}
示例8: shouldLoadArtistWithoutConcerts
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@InSequence(2)
public void shouldLoadArtistWithoutConcerts() throws Exception{
PersistenceUnitUtil util =
em.getEntityManagerFactory().getPersistenceUnitUtil();
EntityGraph artistGraph = em.getEntityGraph("Artist.NoConcerts");
Artist artist = (Artist) em.createQuery("Select a from Artist a")
.setHint("javax.persistence.fetchgraph", artistGraph)
.getResultList()
.get(0);
System.out.printf("++++ artist=%s\n", artist);
System.out.printf(">> loaded artist.id = %s\n", util.isLoaded(artist, "id"));
System.out.printf(">> loaded artist.name = %s\n", util.isLoaded(artist, "name"));
System.out.printf(">> loaded artist.events = %s\n", util.isLoaded(artist, "events"));
assertTrue(util.isLoaded(artist, "id"));
assertTrue(util.isLoaded(artist, "name"));
assertFalse(util.isLoaded(artist, "events"));
}
示例9: shouldLoadArtistWithConcerts
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@InSequence(3)
public void shouldLoadArtistWithConcerts() throws Exception{
PersistenceUnitUtil util =
em.getEntityManagerFactory().getPersistenceUnitUtil();
EntityGraph artistGraph = em.getEntityGraph("Artist.WithConcerts");
Artist artist = (Artist)
em.createQuery("Select a from Artist a")
.setHint("javax.persistence.fetchgraph", artistGraph)
.getResultList()
.get(0);
System.out.printf("++++ artist=%s\n", artist);
System.out.printf("artist=%s\n", artist);
assertTrue(util.isLoaded(artist, "id"));
assertTrue(util.isLoaded(artist, "name"));
assertTrue(util.isLoaded(artist, "events"));
}
示例10: shouldLoadArtistWithLiveConcertsAndNoContracts
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@InSequence(4)
public void shouldLoadArtistWithLiveConcertsAndNoContracts()
throws Exception {
PersistenceUnitUtil util =
em.getEntityManagerFactory().getPersistenceUnitUtil();
em.clear();
EntityGraph artistGraph = em.getEntityGraph(
"Artist.WithConcertsAndNoContracts");
Artist artist = (Artist)
em.createQuery("Select a from Artist a")
.setHint("javax.persistence.fetchgraph", artistGraph)
.getResultList()
.get(0);
System.out.printf("++++ artist=%s\n", artist);
assertTrue(util.isLoaded(artist, "id"));
assertTrue(util.isLoaded(artist, "name"));
assertTrue(util.isLoaded(artist, "events"));
ConcertEvent event = artist.getEvents().values().iterator().next();
System.out.printf("++++ concert event=%s\n", event );
assertTrue(util.isLoaded(event, "id"));
assertTrue(util.isLoaded(event, "name"));
assertTrue(util.isLoaded(event, "eventType"));
assertFalse(util.isLoaded(event, "contracts"));
}
示例11: shouldLoadArtistWithLiveConcertsAndContracts
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@InSequence(5)
public void shouldLoadArtistWithLiveConcertsAndContracts()
throws Exception{
PersistenceUnitUtil util =
em.getEntityManagerFactory().getPersistenceUnitUtil();
em.clear();
EntityGraph artistGraph = em.getEntityGraph("Artist.WithConcertsAndContracts");
Artist artist = (Artist)
em.createQuery("Select a from Artist a")
.setHint("javax.persistence.fetchgraph", artistGraph)
.getResultList()
.get(0);
System.out.printf("++++ artist=%s\n", artist);
assertTrue(util.isLoaded(artist, "id"));
assertTrue(util.isLoaded(artist, "name"));
assertTrue(util.isLoaded(artist, "events"));
ConcertEvent event = artist.getEvents().values().iterator().next();
System.out.printf("++++ concert event=%s\n", event );
assertTrue(util.isLoaded(event, "id"));
assertTrue(util.isLoaded(event, "name"));
assertTrue(util.isLoaded(event, "eventType"));
assertTrue(util.isLoaded(event, "contracts"));
}
示例12: isLoaded
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
/**
* checks if the entity and all its properties are completely loaded from the database and all lazy properties are
* initialised.
*
* @param em
* EntityManager for loading the entity
* @param entity
* @return
*/
public static boolean isLoaded(EntityManager em, Object entity) {
if (entity == null) {
return true;
}
log.debug("check load state!");
if (!em.contains(entity)) {
log.debug("Entity is not in persistence context. Cannot check load state");
// return true;
}
PersistenceUnitUtil util = em.getEntityManagerFactory().getPersistenceUnitUtil();
if (util == null) {
log.debug("no PersistenceUnitUtil");
return true;
}
boolean loadstate = true;
Class<?> clazz = entity.getClass();
while (clazz != null) {
Field[] fields = clazz.getDeclaredFields();
for (Field f : fields) {
if (Modifier.isStatic(f.getModifiers())) continue;
if (Modifier.isTransient(f.getModifiers())) continue;
if (AnnotationUtil.isFieldOrGetterOrSetterAnnotationPresent(clazz, f, Transient.class)) continue;
boolean loaded = util.isLoaded(entity, f.getName());
log.debug(f.getName() + " [" + f.getType() + "] loaded: " + loaded);
if (!loaded) loadstate = false;
}
clazz = clazz.getSuperclass();
}
return loadstate;
}
示例13: EclipseLinkEntityEventListener
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
public EclipseLinkEntityEventListener(PersistenceUnitUtil persistenceUnitUtil, InternalEntityListener internalEntityListener)
{
this.persistenceUnitUtil = persistenceUnitUtil;
this.listener = internalEntityListener;
this.entityUtil = new EntityUtil();
this.entityFilter = internalEntityListener.entityFilter();
this.fieldFilter = internalEntityListener.fieldFilter();
}
示例14: ObjectHandlerTask
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
public ObjectHandlerTask(
BatchBackend batchBackend, Class<?> entityClass, EntityIndexBinding entityIndexBinding,
Supplier<EntityProvider> emProvider, BiConsumer<ObjectHandlerTask, EntityProvider> entityManagerDisposer,
PersistenceUnitUtil peristenceUnitUtil) {
this(
batchBackend,
entityClass,
entityIndexBinding,
emProvider,
entityManagerDisposer,
peristenceUnitUtil,
null,
null
);
}
示例15: shouldLoadArtistWithoutConcerts
import javax.persistence.PersistenceUnitUtil; //导入依赖的package包/类
@Test
@InSequence(2)
public void shouldLoadArtistWithoutConcerts() throws Exception{
Artist artist = getArtistWithEntityGraph("Artist.NoConcerts");
PersistenceUnitUtil util =
em.getEntityManagerFactory().getPersistenceUnitUtil();
System.out.printf("++++ artist=%s\n", artist);
System.out.printf(">> loaded artist.id = %s\n", util.isLoaded(artist, "id"));
System.out.printf(">> loaded artist.name = %s\n", util.isLoaded(artist, "name"));
System.out.printf(">> loaded artist.events = %s\n", util.isLoaded(artist, "events"));
assertTrue(util.isLoaded(artist, "id"));
assertTrue(util.isLoaded(artist, "name"));
assertFalse(util.isLoaded(artist, "events"));
}