Examples with MergeEvent org.hibernate.event.spi.MergeEvent used on opensource projects

Example 1 with MergeEvent

use of org.hibernate.event.spi.MergeEvent in project hibernate-orm by hibernate.

the class SessionImpl method merge.

@Override
public void merge(String entityName, Object object, MergeContext copiedAlready) throws HibernateException {
    checkOpenOrWaitingForAutoClose();
    fireMerge(copiedAlready, new MergeEvent(entityName, object, this));
}

Example 2 with MergeEvent

use of org.hibernate.event.spi.MergeEvent in project hibernate-reactive by hibernate.

the class DefaultReactiveMergeEventListener method entityIsTransient.

protected CompletionStage<Void> entityIsTransient(MergeEvent event, MergeContext copyCache) {
    LOG.trace("Merging transient instance");
    final Object entity = event.getEntity();
    final EventSource session = event.getSession();
    final String entityName = event.getEntityName();
    final EntityPersister persister = session.getEntityPersister(entityName, entity);
    final Serializable id = persister.hasIdentifierProperty() ? persister.getIdentifier(entity, session) : null;
    final Object copy;
    final Object existingCopy = copyCache.get(entity);
    if (existingCopy != null) {
        persister.setIdentifier(copyCache.get(entity), id, session);
        copy = existingCopy;
    } else {
        copy = session.instantiate(persister, id);
        // before cascade!
        copyCache.put(entity, copy, true);
    }
    // cascadeOnMerge(event, persister, entity, copyCache, Cascades.CASCADE_BEFORE_MERGE);
    return super.cascadeBeforeSave(session, persister, entity, copyCache).thenCompose(v -> copyValues(persister, entity, copy, session, copyCache, FROM_PARENT)).thenCompose(v -> saveTransientEntity(copy, entityName, event.getRequestedId(), session, copyCache)).thenCompose(v -> super.cascadeAfterSave(session, persister, entity, copyCache)).thenCompose(v -> copyValues(persister, entity, copy, session, copyCache, TO_PARENT)).thenAccept(v -> {
        event.setResult(copy);
        if (copy instanceof PersistentAttributeInterceptable) {
            final PersistentAttributeInterceptable interceptable = (PersistentAttributeInterceptable) copy;
            final PersistentAttributeInterceptor interceptor = interceptable.$$_hibernate_getInterceptor();
            if (interceptor == null) {
                persister.getBytecodeEnhancementMetadata().injectInterceptor(copy, id, session);
            }
        }
    });
}

Example 3 with MergeEvent

use of org.hibernate.event.spi.MergeEvent in project hibernate-reactive by hibernate.

the class DefaultReactiveMergeEventListener method entityIsDetached.

protected CompletionStage<Void> entityIsDetached(MergeEvent event, MergeContext copyCache) {
    LOG.trace("Merging detached instance");
    final Object entity = event.getEntity();
    final EventSource source = event.getSession();
    final EntityPersister persister = source.getEntityPersister(event.getEntityName(), entity);
    final String entityName = persister.getEntityName();
    Serializable requestedId = event.getRequestedId();
    Serializable id;
    if (requestedId == null) {
        id = persister.getIdentifier(entity, source);
    } else {
        id = requestedId;
        // check that entity id = requestedId
        Serializable entityId = persister.getIdentifier(entity, source);
        if (!persister.getIdentifierType().isEqual(id, entityId, source.getFactory())) {
            throw LOG.mergeRequestedIdNotMatchingIdOfPassedEntity();
        }
    }
    String previousFetchProfile = source.getLoadQueryInfluencers().getInternalFetchProfile();
    source.getLoadQueryInfluencers().setInternalFetchProfile("merge");
    // we must clone embedded composite identifiers, or
    // we will get back the same instance that we pass in
    final Serializable clonedIdentifier = (Serializable) persister.getIdentifierType().deepCopy(id, source.getFactory());
    return source.unwrap(ReactiveSession.class).reactiveGet((Class<?>) persister.getMappedClass(), clonedIdentifier).thenCompose(result -> {
        if (result != null) {
            // before cascade!
            copyCache.put(entity, result, true);
            Object target = unproxyManagedForDetachedMerging(entity, result, persister, source);
            if (target == entity) {
                throw new AssertionFailure("entity was not detached");
            } else if (!source.getEntityName(target).equals(entityName)) {
                throw new WrongClassException("class of the given object did not match class of persistent copy", event.getRequestedId(), entityName);
            } else if (isVersionChanged(entity, source, persister, target)) {
                final StatisticsImplementor statistics = source.getFactory().getStatistics();
                if (statistics.isStatisticsEnabled()) {
                    statistics.optimisticFailure(entityName);
                }
                throw new StaleObjectStateException(entityName, id);
            }
            // copy created before we actually copy
            return cascadeOnMerge(source, persister, entity, copyCache).thenCompose(v -> fetchAndCopyValues(persister, entity, target, source, copyCache)).thenAccept(v -> {
                // copyValues() (called by fetchAndCopyValues) works by reflection,
                // so explicitly mark the entity instance dirty
                markInterceptorDirty(entity, target, persister);
                event.setResult(result);
            });
        } else {
            // really persistent
            return entityIsTransient(event, copyCache);
        }
    }).whenComplete((v, e) -> source.getLoadQueryInfluencers().setInternalFetchProfile(previousFetchProfile));
}

Example 4 with MergeEvent

use of org.hibernate.event.spi.MergeEvent in project BridgeServer2 by Sage-Bionetworks.

the class TagEventListenerTest method onMergeWithCopiedAlready.

@Test
public void onMergeWithCopiedAlready() throws HibernateException {
    MergeEvent event = new MergeEvent(new Tag("value"), null);
    event.setEntity(new Tag("value"));
    listener.onMerge(event, null);
    verify(cacheProvider).removeObject(CacheKey.tagList());
}

Example 5 with MergeEvent

use of org.hibernate.event.spi.MergeEvent in project hibernate-orm by hibernate.

the class SessionImpl method merge.

@Override
public void merge(String entityName, Object object, Map copiedAlready) throws HibernateException {
    checkOpenOrWaitingForAutoClose();
    fireMerge(copiedAlready, new MergeEvent(entityName, object, this));
}