Example usage for org.springframework.orm.jpa EntityManagerHolder getEntityManager

List of usage examples for org.springframework.orm.jpa EntityManagerHolder getEntityManager

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Introduction

In this page you can find the example usage for org.springframework.orm.jpa EntityManagerHolder getEntityManager.

Prototype

public EntityManager getEntityManager()

Source Link

Usage

From source file:hsa.awp.common.util.EntityManagerUtil.java

/**
 * Finds the current {@link EntityManager} which is bound to the current Thread. If there is no {@link EntityManager} mapped,
 * <code>null</code> will be returned.
 *
 * @return the bound {@link EntityManager} or <code>null</code> if no one can be found.
 *///  w w  w  .  j  a v  a  2  s  . c o  m
public static EntityManager getEntityManagerFromThread() {

    if (TransactionSynchronizationManager.hasResource(emf)) {
        EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager.getResource(emf);
        return emHolder.getEntityManager();
    } else {
        return null;
    }
}

From source file:corner.orm.gae.impl.EntityManagerSourceImpl.java

/**
 * @see lichen.common.services.jpa.EntityManagerSource#getEntityManager()
 *//* ww w.  j  a v a  2  s .c o m*/
@Override
public EntityManager getEntityManager() {
    EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
            .getResource(entityManagerFactory);
    return emHolder.getEntityManager();
}

From source file:com.dcsbootcamp.maven.integrationtest.GreeterConfig.java

/**
 * Provides a proxy instance of the current transaction's entity manager
 * which is ready to inject via constructor injection and guarantees
 * immutability./*from  w w  w .  jav  a2 s. c  om*/
 *
 * @param emf the entity manager factory
 * @return a proxy of entity manager
 */
@Bean
@Scope(SCOPE_PROTOTYPE)
EntityManager entityManagerProvider(EntityManagerFactory emf) {
    EntityManagerHolder holder = (EntityManagerHolder) getResource(emf);

    if (holder == null) {
        return emf.createEntityManager();
    }

    return holder.getEntityManager();
}

From source file:hsa.awp.common.util.OpenEntityManagerTimerTaskFactory.java

/**
 * Closes the previously created {@link EntityManager}.
 *///from w  ww. j  a va 2s. c  o m
private void closeEntityManager() {

    log.trace("Unbinding EntityManager from thread '{}'", Thread.currentThread().getName());
    EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager.unbindResource(emf);

    log.debug("Closing EntityManager");
    EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
}

From source file:hsa.awp.common.test.OpenEntityManagerInTest.java

/**
 * Closes the previously created {@link EntityManager}.
 *///  ww w.  j av  a 2  s .  c o  m
@After
public final void closeEntityManager() {

    if (create) {
        log.trace("Unbinding EntityManager from thread '{}'", Thread.currentThread().getName());
        EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
                .unbindResource(emf);

        log.debug("Closing EntityManager");
        EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
    } else {
        log.debug("Don't close EntityManager because of @Transactional annotation");
    }
}

From source file:corner.orm.gae.impl.EntityManagerSourceImpl.java

@Override
public void threadDidCleanup() {
    if (!participate) {
        EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
                .unbindResource(entityManagerFactory);
        logger.debug("Closing JPA EntityManager in EntityManagerSourceImpl");
        EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
    }//from  w  ww .ja  v  a  2  s .c o  m
}

From source file:ar.com.zauber.commons.repository.closures.OpenEntityManagerClosure.java

/** @see Closure#execute(Object) */
public final void execute(final T t) {
    if (dryrun) {
        //permite evitar que se hagan commit() en el ambiente de test
        target.execute(t);// w ww  .  j a  va2 s. c  o  m
    } else {
        boolean participate = false;
        EntityTransaction transaction = null;

        if (TransactionSynchronizationManager.hasResource(emf)) {
            // Do not modify the EntityManager: just set the participate flag.
            participate = true;
        } else {
            try {
                final EntityManager em = emf.createEntityManager();
                if (openTx) {
                    if (!warningPrinted) {
                        logger.warn(
                                "The OpenEntityManagerClosure has Transactions enabled and is not recommended"
                                        + ". This behaviour will change in the future. Check setOpenTx(), ");
                    }
                    transaction = em.getTransaction();
                    transaction.begin();
                }

                TransactionSynchronizationManager.bindResource(emf, new EntityManagerHolder(em));
            } catch (PersistenceException ex) {
                throw new DataAccessResourceFailureException("Could not create JPA EntityManager", ex);
            }
        }

        if (transaction != null) {
            try {
                target.execute(t);
                if (transaction.getRollbackOnly()) {
                    transaction.rollback();
                } else {
                    transaction.commit();
                }
            } catch (final Throwable e) {
                if (transaction != null && transaction.isActive()) {
                    transaction.rollback();
                }
                throw new UnhandledException(e);
            } finally {
                if (!participate) {
                    final EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
                            .unbindResource(emf);
                    EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
                }
            }
        } else {
            try {
                target.execute(t);
            } finally {
                if (!participate) {
                    final EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
                            .unbindResource(emf);
                    EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
                }
            }

        }
    }
}

From source file:com.dcsbootcamp.maven.fixture.PostgresTestConfig.java

/**
 * Provides a proxy instance of the current transaction's entity manager
 * which is ready to inject via constructor injection and guarantees
 * immutability./*from  w w  w.jav  a 2s. co m*/
 *
 * @param emf the entity manager factory
 * @return a proxy of entity manager
 */
@Bean
@Scope(SCOPE_PROTOTYPE)
EntityManager entityManagerProvider(EntityManagerFactory emf) {
    EntityManagerHolder holder = (EntityManagerHolder) getResource(emf);

    if (holder == null) {
        throw new IllegalStateException("Transaction not available. Is your service annotated with"
                + " @Transactional? Did you enable @EnableTransactionManagement?");
    }

    return holder.getEntityManager();
}

From source file:org.drools.container.spring.beans.persistence.DroolsSpringJpaManager.java

public void beginCommandScopedEntityManager() {
    EntityManager cmdScopedEntityManager = (EntityManager) env.get(EnvironmentName.CMD_SCOPED_ENTITY_MANAGER);
    if (cmdScopedEntityManager == null || !cmdScopedEntityManager.isOpen()) {
        EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
                .getResource("cmdEM");
        EntityManager em = null;/*from w  w  w.  jav  a2 s  . c om*/
        if (emHolder == null) {
            em = this.emf.createEntityManager();
            emHolder = new EntityManagerHolder(em);
            TransactionSynchronizationManager.bindResource("cmdEM", emHolder);
        } else {
            em = emHolder.getEntityManager();
        }
        this.env.set(EnvironmentName.CMD_SCOPED_ENTITY_MANAGER, em);
    }

    this.getCommandScopedPersistenceContext().joinTransaction();
    this.appScopedEntityManager.joinTransaction();

}

From source file:org.drools.container.spring.beans.persistence.DroolsSpringJpaManager.java

public PersistenceContext getApplicationScopedPersistenceContext() {
    if (this.appScopedEntityManager == null) {
        // Use the App scoped EntityManager if the user has provided it, and it is open.
        this.appScopedEntityManager = (EntityManager) this.env.get(EnvironmentName.APP_SCOPED_ENTITY_MANAGER);
        if (this.appScopedEntityManager != null && !this.appScopedEntityManager.isOpen()) {
            throw new RuntimeException("Provided APP_SCOPED_ENTITY_MANAGER is not open");
        }//w w w .j av  a  2  s.c o m

        if (this.appScopedEntityManager == null) {
            EntityManagerHolder emHolder = (EntityManagerHolder) TransactionSynchronizationManager
                    .getResource(this.emf);
            if (emHolder == null) {
                this.appScopedEntityManager = this.emf.createEntityManager();
                emHolder = new EntityManagerHolder(this.appScopedEntityManager);
                TransactionSynchronizationManager.bindResource(this.emf, emHolder);
                internalAppScopedEntityManager = true;
            } else {
                this.appScopedEntityManager = emHolder.getEntityManager();
            }

            this.env.set(EnvironmentName.APP_SCOPED_ENTITY_MANAGER, emHolder.getEntityManager());
        }
    }
    if (TransactionSynchronizationManager.isActualTransactionActive()) {
        this.appScopedEntityManager.joinTransaction();
    }
    return new JpaPersistenceContext(this.appScopedEntityManager);
}