Example usage for javax.persistence EntityTransaction begin

Introduction

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

Prototype

public void begin();

Source Link

Document

Start a resource transaction.

Usage

From source file:org.opencastproject.capture.admin.impl.CaptureAgentStateServiceImpl.java

/**
 * Updates or adds an agent to the database.
 * /*from ww  w  .  j  ava 2 s.c o m*/
 * @param agent
 *          The Agent you wish to modify or add in the database.
 */
protected void updateAgentInDatabase(AgentImpl agent) {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        AgentImpl existing = getAgentEntity(agent.getName(), agent.getOrganization(), em);
        if (existing == null) {
            em.persist(agent);
        } else {
            existing.setConfiguration(agent.getConfiguration());
            existing.setLastHeardFrom(agent.getLastHeardFrom());
            existing.setState(agent.getState());
            existing.setSchedulerRoles(agent.getSchedulerRoles());
            existing.setUrl(agent.getUrl());
            em.merge(existing);
        }
        tx.commit();
        agentCache.put(agent.getName().concat(DELIMITER).concat(agent.getOrganization()),
                Tuple.tuple(agent.getState(), agent.getConfiguration()));
    } catch (RollbackException e) {
        logger.warn("Unable to commit to DB in updateAgent.");
        throw e;
    } finally {
        if (em != null)
            em.close();
    }
}

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

public void deleteDeployment(int id) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();
    DeploymentDescriptor c = entityManager.find(DeploymentDescriptor.class, id);

    EntityTransaction entityTransaction = entityManager.getTransaction();
    entityTransaction.begin();
    entityManager.remove(c);/*from w  w  w.  ja v a  2  s  . c om*/
    entityTransaction.commit();

}

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

public void deleteProperty(int propid) {

    EntityManager entityManager = entityManagerFactory.createEntityManager();
    BakerProperty c = entityManager.find(BakerProperty.class, propid);

    EntityTransaction entityTransaction = entityManager.getTransaction();
    entityTransaction.begin();
    entityManager.remove(c);/*from   www .  j av  a  2  s .  co m*/
    entityTransaction.commit();

}

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

public InstalledBun updateInstalledBun(InstalledBun is) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();
    InstalledBun resis = entityManager.merge(is);
    entityTransaction.commit();/*www  .ja  v  a 2  s  .c  om*/

    return resis;
}

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

public void deleteInstalledBun(final InstalledBun message) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();

    entityManager.remove(message);//from   w ww  . ja va 2  s  .co  m

    entityTransaction.commit();
}

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

public BakerUser updateBakerUser(BakerUser bu) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();
    BakerUser resis = entityManager.merge(bu);
    entityTransaction.commit();//from   w  w  w. jav  a 2s  .co m

    return resis;
}

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();
    SubscribedResource resis = entityManager.merge(sm);
    entityTransaction.commit();//from w  w w  .  j  av  a 2  s  .  c o m

    return resis;
}

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

public BakerProperty updateProperty(BakerProperty p) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();
    BakerProperty bp = entityManager.merge(p);
    entityTransaction.commit();//w w w.  jav  a  2s.c o m

    return bp;
}

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();
    DeploymentDescriptor resis = entityManager.merge(d);
    entityTransaction.commit();/*from   w  w w .j a va  2  s.c  o  m*/

    return resis;
}

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

public void deleteUser(int userid) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();
    BakerUser u = entityManager.find(BakerUser.class, userid);

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();

    entityManager.remove(u);//from www. j  a  v a 2s  .c  o  m

    entityTransaction.commit();
}