Examples with Transaction com.haulmont.cuba.core.Transaction used on opensource projects

Example 6 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class Emailer method migrateEmailsToFileStorage.

@Override
public void migrateEmailsToFileStorage(List<SendingMessage> messages) {
    try (Transaction tx = persistence.createTransaction()) {
        EntityManager em = persistence.getEntityManager();
        for (SendingMessage msg : messages) {
            migrateMessage(em, msg);
        }
        tx.commit();
    }
}

Example 7 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class EntitySnapshotManager method migrateSnapshots.

@Override
public void migrateSnapshots(MetaClass metaClass, Object id, Map<Class, Class> classMapping) {
    metaClass = extendedEntities.getOriginalOrThisMetaClass(metaClass);
    // load snapshots
    List<EntitySnapshot> snapshotList = getSnapshots(metaClass, id);
    Class javaClass = metaClass.getJavaClass();
    MetaClass mappedMetaClass = null;
    if (classMapping.containsKey(javaClass)) {
        Class mappedClass = classMapping.get(javaClass);
        mappedMetaClass = extendedEntities.getOriginalOrThisMetaClass(metadata.getClass(mappedClass));
    }
    for (EntitySnapshot snapshot : snapshotList) {
        if (mappedMetaClass != null) {
            snapshot.setEntityMetaClass(mappedMetaClass.getName());
        }
        String snapshotXml = snapshot.getSnapshotXml();
        String viewXml = snapshot.getViewXml();
        snapshot.setSnapshotXml(processSnapshotXml(snapshotXml, classMapping));
        snapshot.setViewXml(processViewXml(viewXml, classMapping));
    }
    // Save snapshots to db
    Transaction tx = persistence.createTransaction();
    try {
        EntityManager em = persistence.getEntityManager();
        for (EntitySnapshot snapshot : snapshotList) {
            em.merge(snapshot);
        }
        tx.commit();
    } finally {
        tx.end();
    }
}

Example 8 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class EntitySnapshotManager method createSnapshot.

@Override
public EntitySnapshot createSnapshot(Entity entity, View view, Date snapshotDate, User author) {
    Preconditions.checkNotNullArgument(entity);
    Preconditions.checkNotNullArgument(view);
    Preconditions.checkNotNullArgument(snapshotDate);
    checkCompositePrimaryKey(entity);
    Class viewEntityClass = view.getEntityClass();
    Class entityClass = entity.getClass();
    if (!viewEntityClass.isAssignableFrom(entityClass)) {
        throw new IllegalStateException("View could not be used with this propertyValue");
    }
    MetaClass metaClass = extendedEntities.getOriginalOrThisMetaClass(metadata.getClass(entity.getClass()));
    EntitySnapshot snapshot = metadata.create(EntitySnapshot.class);
    snapshot.setObjectEntityId(referenceToEntitySupport.getReferenceId(entity));
    snapshot.setEntityMetaClass(metaClass.getName());
    snapshot.setViewXml(viewSerializationAPI.toJson(view, ViewSerializationOption.COMPACT_FORMAT));
    snapshot.setSnapshotXml(entitySerializationAPI.toJson(entity));
    snapshot.setSnapshotDate(snapshotDate);
    snapshot.setAuthor(author);
    Transaction tx = persistence.createTransaction();
    try {
        EntityManager em = persistence.getEntityManager();
        em.persist(snapshot);
        tx.commit();
    } finally {
        tx.end();
    }
    return snapshot;
}

Example 9 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class EntitySnapshotManager method getSnapshots.

@Override
public List<EntitySnapshot> getSnapshots(MetaClass metaClass, Object id) {
    metaClass = extendedEntities.getOriginalOrThisMetaClass(metaClass);
    Entity entity = dataManager.load(new LoadContext<>(metaClass).setId(id).setView(View.LOCAL));
    checkCompositePrimaryKey(entity);
    List<EntitySnapshot> resultList = null;
    View view = metadata.getViewRepository().getView(EntitySnapshot.class, "entitySnapshot.browse");
    Transaction tx = persistence.createTransaction();
    try {
        EntityManager em = persistence.getEntityManager();
        TypedQuery<EntitySnapshot> query = em.createQuery(format("select s from sys$EntitySnapshot s where s.entity.%s = :entityId and s.entityMetaClass = :metaClass " + "order by s.snapshotDate desc", referenceToEntitySupport.getReferenceIdPropertyName(metaClass)), EntitySnapshot.class);
        query.setParameter("entityId", referenceToEntitySupport.getReferenceId(entity));
        query.setParameter("metaClass", metaClass.getName());
        query.setView(view);
        resultList = query.getResultList();
        tx.commit();
    } finally {
        tx.end();
    }
    return resultList;
}

Example 10 with Transaction

use of com.haulmont.cuba.core.Transaction in project cuba by cuba-platform.

the class FoldersServiceBean method loadSearchFolders.

@Override
public List<SearchFolder> loadSearchFolders() {
    log.debug("Loading SearchFolders");
    StopWatch stopWatch = new Slf4JStopWatch("SearchFolders");
    stopWatch.start();
    Transaction tx = persistence.createTransaction();
    try {
        EntityManager em = persistence.getEntityManager();
        MetaClass effectiveMetaClass = metadata.getExtendedEntities().getEffectiveMetaClass(SearchFolder.class);
        TypedQuery<SearchFolder> q = em.createQuery("select f from " + effectiveMetaClass.getName() + " f " + "left join fetch f.user u on u.id = ?1 " + "left join fetch f.presentation " + "where (u.id = ?1 or u is null) " + "order by f.sortOrder, f.name", SearchFolder.class);
        q.setParameter(1, userSessionSource.currentOrSubstitutedUserId());
        List<SearchFolder> list = q.getResultList();
        // fetch parents
        for (SearchFolder folder : list) {
            folder.getParent();
        }
        tx.commit();
        return list;
    } finally {
        tx.end();
        stopWatch.stop();
    }
}