Example usage for javax.persistence EntityTransaction commit

Introduction

In this page you can find the example usage for javax.persistence EntityTransaction commit.

Prototype

public void commit();

Source Link

Document

Commit the current resource transaction, writing any unflushed changes to the database.

Usage

From source file:de.peterspan.csv2db.converter.Converter.java

@Override
protected Void doInBackground() throws Exception {
    EntityTransaction tx = null;
    try {//from   w  ww  .j  a v  a2  s. co  m
        tx = entityManager.getTransaction();
        tx.begin();
        List<String[]> allLines = readFile();

        double increment = 100.0 / allLines.size();
        double progress = 0.0;
        for (String[] line : allLines) {
            progress = progress + increment;
            setProgress((int) Math.round(progress));

            if (line[0].equals("locnumber")) {
                //This is the header! Create a single instance header object
                Header.getInstance().init(line);
                continue;
            }
            if (line[0].equals("")) {
                continue;
            }
            readLine(line);
        }

        entityManager.flush();
        tx.commit();

    } catch (HibernateException he) {
        log.error("An error occured. Tx will be rolledback!", he);
        if (tx != null) {
            tx.rollback();
        }
    }

    return null;
}

From source file:gr.upatras.ece.nam.baker.impl.BakerJpaController.java

public SubscribedResource updateSubscribedResource(SubscribedResource sm) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();/*from  ww  w  .j  a  v  a 2 s . c om*/
    SubscribedResource resis = entityManager.merge(sm);
    entityTransaction.commit();

    return resis;
}

From source file:gr.upatras.ece.nam.baker.impl.BakerJpaController.java

public DeploymentDescriptor updateDeploymentDescriptor(DeploymentDescriptor d) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();/*ww w.jav a2s .co m*/
    DeploymentDescriptor resis = entityManager.merge(d);
    entityTransaction.commit();

    return resis;
}

From source file:gr.upatras.ece.nam.baker.impl.BakerJpaController.java

public void saveProperty(BakerProperty p) {
    logger.info("Will BakerProperty = " + p.getName());

    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();
    entityTransaction.begin();//from  w ww. j a  va 2  s  .c o m

    entityManager.persist(p);
    entityManager.flush();
    entityTransaction.commit();

}

From source file:edu.kit.dama.mdm.core.jpa.MetaDataManagerJpa.java

/**
 * Finalize any operation which affected the EntityManager. This method has
 * the following tasks:/* w w  w.  j a  v a 2  s .c o  m*/
 *
 * <ul>
 * <li>Commit the provided transaction</li>
 * <li>If the commit fails, rollback the transaction</li>
 * <li>Clear the cache of the EntityManager (make all entities
 * unmanaged)</li>
 * </ul>
 *
 * If no transaction is provided (after an operation which did not affect
 * the data backend, e.g. find()), only the cache is cleared.
 *
 * @param <T> Generic entity type.
 * @param methodName Description of the method which was performed (for
 * debugging).
 * @param transaction The transaction to finalize.
 * @param entity Affected entity or entity class (for debugging).
 */
private <T> void finalizeEntityManagerAccess(String methodName, EntityTransaction transaction, T entity) {
    if (transaction != null) {
        try {
            LOGGER.debug("Flushing entityManager");
            entityManager.flush();
            LOGGER.debug("Committing current transaction");
            transaction.commit();
        } catch (Exception e) {
            LOGGER.warn("Failed to commit transaction for operation '" + methodName + "'", e);
        } finally {
            if (transaction.isActive()) {
                LOGGER.debug("Transaction is still active. Performing rollback.");
                transaction.rollback();
                LOGGER.error("Method '" + methodName + "' fails for entity/class '" + entity + "'");
            }
            LOGGER.debug("Clearing entityManager cache");
            entityManager.clear();
            LOGGER.debug("Cache cleared.");
        }
    } else {
        LOGGER.debug("Clearing entityManager cache");
        entityManager.clear();
        LOGGER.debug("Cache cleared.");
    }
}

From source file:gr.upatras.ece.nam.baker.impl.BakerJpaController.java

public void saveInstalledBun(InstalledBun is) {
    logger.info("Will create InstalledBun = " + is.getUuid());

    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();//  w  ww.  jav a  2s.c om

    entityManager.persist(is);
    entityManager.flush();
    entityTransaction.commit();
}

From source file:gr.upatras.ece.nam.baker.impl.BakerJpaController.java

public void saveSubscribedResource(SubscribedResource sm) {
    logger.info("Will save SubscribedResource = " + sm.getURL());

    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();//from ww w  . ja v a  2 s  . c om

    entityManager.persist(sm);
    entityManager.flush();
    entityTransaction.commit();

}

From source file:gr.upatras.ece.nam.baker.impl.BakerJpaController.java

public void saveUser(BakerUser bu) {
    logger.info("Will save BakerUser = " + bu.getName());

    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();/*w  ww.j a va  2 s.com*/

    entityManager.persist(bu);

    entityManager.flush();
    entityTransaction.commit();

}

From source file:eu.forgestore.ws.impl.FStoreJpaController.java

public UserSession saveUserSession(UserSession userSession) {
    logger.info("Will userSession = " + userSession.getUsername());

    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();
    entityTransaction.begin();//  w  w  w.ja  v a2 s.c om

    FStoreUser u = entityManager.find(FStoreUser.class, userSession.getUser().getId());
    userSession.setUser(u);

    logger.info("Will userSession = " + u.toString());

    entityManager.persist(u);
    entityManager.persist(userSession);
    entityManager.flush();
    entityTransaction.commit();

    return userSession;

}

From source file:de.iai.ilcd.model.dao.SourceDao.java

/**
 * Concrete implementation required for saving of digital files
 *//* w w w  .java2 s  .c  o m*/
@Override
public boolean checkAndPersist(Source source, PersistType pType, PrintWriter out) {
    EntityManager em = PersistenceUtil.getEntityManager();

    Source existingSource = this.getByUuid(source.getUuid().getUuid());
    if (existingSource != null) {
        if (pType == PersistType.ONLYNEW) {
            out.println(
                    "Warning: source data set with this uuid already exists in database; will ignore this data set");
            return false;
        }
    }

    EntityTransaction t = em.getTransaction();
    try {
        t.begin();
        if (existingSource != null && (pType == PersistType.MERGE)) {
            // delete first the existing one, we will use the new one
            if (out != null) {
                out.println(
                        "Notice: source data set with this uuid already exists in database; will merge this data set");
            }
            em.remove(existingSource);
            this.deleteDigitalFiles(source);
        }

        em.persist(source);

        t.commit();

        if (!super.setMostRecentVersionFlags(source.getUuidAsString())) {
            return false;
        }

        if (source != null && source.getId() != null) {
            if (!this.saveDigitalFiles(source, out)) {
                if (out != null) {
                    out.println(
                            "Warning: couldn't save all files of this source data set into database file directory: see messages above");
                }
            }
        }
        return true;

    } catch (Exception e) {
        if (out != null) {
            out.println("Can't save source data file to database because of: " + e.getMessage());
        }
        t.rollback();
        return false;
    }
}