Examples of org.springframework.transaction.support.TransactionCallback

Package org.springframework.transaction.support

Examples of org.springframework.transaction.support.TransactionCallback

org.springframework.transaction.support.TransactionCallback
Callback interface for transactional code. Used with {@link TransactionTemplate}'s execute method, often as anonymous class within a method implementation.
Typically used to assemble various calls to transaction-unaware data access services into a higher-level service method with transaction demarcation. As an alternative, consider the use of declarative transaction demarcation (e.g. through Spring's {@link org.springframework.transaction.annotation.Transactional} annotation). @author Juergen Hoeller @since 17.03.2003 @see TransactionTemplate @see CallbackPreferringPlatformTransactionManager

        this.entityType = entitytype;
        this.correlationKeyExpression = correlationKeyExpression;
    }


    public void process(final Exchange exchange) {
        Object entity = transactionTemplate.execute(new TransactionCallback() {
            public Object doInTransaction(TransactionStatus status) {
                try {
                    Object key = getCorrelationKey(exchange);


                    T entity = loadEntity(exchange, key);

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    final TransactionTemplate tt = new TransactionTemplate(ptm);
    tt.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);


    assertTrue("Hasn't thread session", !TransactionSynchronizationManager.hasResource(sf));
    try {
      tt.execute(new TransactionCallback() {
        public Object doInTransaction(TransactionStatus status) {
          org.hibernate.Session outerSession = SessionFactoryUtils.getSession(sf, false);
          assertSame(session1, outerSession);
          SessionHolder holder = (SessionHolder) TransactionSynchronizationManager.getResource(sf);
          assertTrue("Has thread session", holder != null);
          try {
            tt.execute(new TransactionCallback() {
              public Object doInTransaction(TransactionStatus status) {
                org.hibernate.Session innerSession = SessionFactoryUtils.getSession(sf, false);
                assertSame(session2, innerSession);
                HibernateTemplate ht = new HibernateTemplate(sf);
                ht.setFlushMode(HibernateTemplate.FLUSH_EAGER);

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    JtaTransactionManager tm = new JtaTransactionManager(ut);
    TransactionTemplate tt = new TransactionTemplate(tm);
    tt.setPropagationBehavior(TransactionDefinition.PROPAGATION_SUPPORTS);
    assertTrue("Hasn't thread session", !TransactionSynchronizationManager.hasResource(sf));


    tt.execute(new TransactionCallback() {
      public Object doInTransaction(TransactionStatus status) {
        assertTrue("Hasn't thread session", !TransactionSynchronizationManager.hasResource(sf));
        assertTrue("Is not new transaction", !status.isNewTransaction());
        assertFalse(TransactionSynchronizationManager.isCurrentTransactionReadOnly());
        assertFalse(TransactionSynchronizationManager.isActualTransactionActive());

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    tt.setPropagationBehavior(TransactionDefinition.PROPAGATION_SUPPORTS);
    final TransactionTemplate tt2 = new TransactionTemplate(tm);
    tt2.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);


    assertTrue("Hasn't thread session", !TransactionSynchronizationManager.hasResource(sf));
    tt.execute(new TransactionCallback() {
      public Object doInTransaction(TransactionStatus status) {
        assertTrue("Hasn't thread session", !TransactionSynchronizationManager.hasResource(sf));
        assertTrue("Is not new transaction", !status.isNewTransaction());
        assertFalse(TransactionSynchronizationManager.isCurrentTransactionReadOnly());
        assertFalse(TransactionSynchronizationManager.isActualTransactionActive());
        HibernateTemplate ht = new HibernateTemplate(sf);
        ht.setFlushMode(HibernateTemplate.FLUSH_EAGER);
        ht.execute(new HibernateCallback() {
          public Object doInHibernate(org.hibernate.Session session) {
            return null;
          }
        });
        assertTrue("Has thread session", TransactionSynchronizationManager.hasResource(sf));
        tt2.execute(new TransactionCallback() {
          public Object doInTransaction(TransactionStatus status) {
            HibernateTemplate ht = new HibernateTemplate(sf);
            ht.setFlushMode(HibernateTemplate.FLUSH_EAGER);
            return ht.executeFind(new HibernateCallback() {
              public Object doInHibernate(org.hibernate.Session session) {

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    l.add("test");


    assertTrue(!TransactionSynchronizationManager.hasResource(factory));
    assertTrue(!TransactionSynchronizationManager.isSynchronizationActive());


    Object result = tt.execute(new TransactionCallback() {
      public Object doInTransaction(TransactionStatus status) {
        assertTrue(TransactionSynchronizationManager.hasResource(factory));
        return template.execute(new JpaCallback() {
          public Object doInJpa(EntityManager em) {
            em.flush();

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    assertTrue(!TransactionSynchronizationManager.hasResource(factory));
    assertTrue(!TransactionSynchronizationManager.isSynchronizationActive());


    try {
      Object result = tt.execute(new TransactionCallback() {
        public Object doInTransaction(TransactionStatus status) {
          assertTrue(TransactionSynchronizationManager.hasResource(factory));
          return template.execute(new JpaCallback() {
            public Object doInJpa(EntityManager em) {
              em.flush();

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    assertTrue(!TransactionSynchronizationManager.hasResource(factory));
    assertTrue(!TransactionSynchronizationManager.isSynchronizationActive());


    try {
      tt.execute(new TransactionCallback() {
        public Object doInTransaction(TransactionStatus status) {
          assertTrue(TransactionSynchronizationManager.hasResource(factory));
          return template.execute(new JpaCallback() {
            public Object doInJpa(EntityManager em) {
              throw new RuntimeException("some exception");

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    assertTrue(!TransactionSynchronizationManager.hasResource(factory));
    assertTrue(!TransactionSynchronizationManager.isSynchronizationActive());


    try {
      tt.execute(new TransactionCallback() {
        public Object doInTransaction(TransactionStatus status) {
          assertTrue(TransactionSynchronizationManager.hasResource(factory));
          return template.execute(new JpaCallback() {
            public Object doInJpa(EntityManager em) {
              throw new RuntimeException("some exception");

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    l.add("test");


    assertTrue(!TransactionSynchronizationManager.hasResource(factory));
    assertTrue(!TransactionSynchronizationManager.isSynchronizationActive());


    tt.execute(new TransactionCallback() {
      public Object doInTransaction(TransactionStatus status) {
        assertTrue(TransactionSynchronizationManager.hasResource(factory));


        Object res = template.execute(new JpaCallback() {
          public Object doInJpa(EntityManager em) {

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    l.add("test");


    assertTrue(!TransactionSynchronizationManager.hasResource(factory));
    assertTrue(!TransactionSynchronizationManager.isSynchronizationActive());


    tt.execute(new TransactionCallback() {
      public Object doInTransaction(TransactionStatus status) {
        txControl.reset();
        txControl.expectAndReturn(tx.getRollbackOnly(), false);
        tx.commit();
        txControl.replay();


        assertTrue(TransactionSynchronizationManager.hasResource(factory));


        return tt.execute(new TransactionCallback() {
          public Object doInTransaction(TransactionStatus status) {


            return template.execute(new JpaCallback() {
              public Object doInJpa(EntityManager em) {
                em.flush();

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