Examples with EntityChangedEventInfo io.jmix.data.impl.EntityChangedEventInfo used on opensource projects

Example 1 with EntityChangedEventInfo

use of io.jmix.data.impl.EntityChangedEventInfo in project jmix by jmix-framework.

the class EntityChangedEventManager method merge.

private List<EntityChangedEventInfo> merge(Collection<EntityChangedEventInfo> collection1, Collection<EntityChangedEventInfo> collection2) {
    List<EntityChangedEventInfo> list1 = collection1 != null ? new ArrayList<>(collection1) : new ArrayList<>();
    Collection<EntityChangedEventInfo> list2 = collection2 != null ? collection2 : Collections.emptyList();
    for (EntityChangedEventInfo info2 : list2) {
        Optional<EntityChangedEventInfo> opt = list1.stream().filter(info1 -> info1.getEntity() == info2.getEntity()).findAny();
        if (opt.isPresent()) {
            opt.get().mergeWith(info2);
        } else {
            list1.add(info2);
        }
    }
    log.trace("merged {}", list1);
    return list1;
}

Example 2 with EntityChangedEventInfo

use of io.jmix.data.impl.EntityChangedEventInfo in project jmix by jmix-framework.

the class EntityChangedEventManager method internalCollect.

public List<EntityChangedEventInfo> internalCollect(Collection<Object> entities) {
    List<EntityChangedEventInfo> list = new ArrayList<>();
    for (Object entity : entities) {
        EntityChangedEvent.Type type = null;
        AttributeChanges.Builder attributeChangesBuilder = null;
        if (getEntityEntry(entity).isNew()) {
            type = EntityChangedEvent.Type.CREATED;
            attributeChangesBuilder = getEntityAttributeChanges(entity, false);
        } else {
            AttributeChangeListener changeListener = (AttributeChangeListener) ((ChangeTracker) entity)._persistence_getPropertyChangeListener();
            if (changeListener == null) {
                log.debug("Cannot publish EntityChangedEvent for {} because its AttributeChangeListener is null", entity);
                continue;
            }
            if (persistenceSupport.isDeleted(entity, changeListener)) {
                type = EntityChangedEvent.Type.DELETED;
                attributeChangesBuilder = getEntityAttributeChanges(entity, true);
            } else if (changeListener.hasChanges()) {
                type = EntityChangedEvent.Type.UPDATED;
                attributeChangesBuilder = getEntityAttributeChanges(entity, changeListener.getObjectChangeSet());
            }
        }
        if (type != null && attributeChangesBuilder != null) {
            MetaClass originalMetaClass = extendedEntities.getOriginalOrThisMetaClass(metadata.getClass(entity));
            EntityChangedEventInfo eventData = new EntityChangedEventInfo(this, entity, type, attributeChangesBuilder.build(), originalMetaClass);
            list.add(eventData);
        }
    }
    log.trace("collected {}", list);
    return list;
}

Example 3 with EntityChangedEventInfo

use of io.jmix.data.impl.EntityChangedEventInfo in project jmix by jmix-framework.

the class JpaDataStore method beforeSaveTransactionCommit.

@Override
protected void beforeSaveTransactionCommit(SaveContext context, Collection<Object> savedEntities, Collection<Object> removedEntities) {
    if (context.isJoinTransaction()) {
        List<Object> entities = new ArrayList<>(savedEntities);
        entities.addAll(removedEntities);
        List<EntityChangedEventInfo> eventsInfo;
        EntityManager em = storeAwareLocator.getEntityManager(storeName);
        boolean softDeletionBefore = PersistenceHints.isSoftDeletion(em);
        try {
            em.setProperty(PersistenceHints.SOFT_DELETION, context.getHints().get(PersistenceHints.SOFT_DELETION));
            persistenceSupport.processFlush(em, false);
            eventsInfo = entityChangedEventManager.collect(persistenceSupport.getInstances(em));
            ((EntityManager) em.getDelegate()).flush();
        } catch (PersistenceException e) {
            Pattern pattern = getUniqueConstraintViolationPattern();
            Matcher matcher = pattern.matcher(e.toString());
            if (matcher.find()) {
                throw new UniqueConstraintViolationException(e.getMessage(), resolveConstraintName(matcher), e);
            }
            throw e;
        } finally {
            em.setProperty(PersistenceHints.SOFT_DELETION, softDeletionBefore);
        }
        // noinspection rawtypes
        List<EntityChangedEvent> events = new ArrayList<>(eventsInfo.size());
        for (EntityChangedEventInfo info : eventsInfo) {
            events.add(new EntityChangedEvent<>(info.getSource(), Id.of(info.getEntity()), info.getType(), info.getChanges(), info.getOriginalMetaClass()));
        }
        for (Object entity : entities) {
            detachEntity(em, entity, context.getFetchPlans().get(entity), true);
        }
        entityChangedEventManager.publish(events);
    }
}