Example usage for org.springframework.integration.transaction ExpressionEvaluatingTransactionSynchronizationProcessor setBeforeCommitChannel

Introduction

In this page you can find the example usage for org.springframework.integration.transaction ExpressionEvaluatingTransactionSynchronizationProcessor setBeforeCommitChannel.

Prototype

public void setBeforeCommitChannel(MessageChannel beforeCommitChannel) 

Source Link

Usage

From source file:org.springframework.integration.endpoint.PseudoTransactionalMessageSourceTests.java

@Test
public void testCommit() {
    SourcePollingChannelAdapter adapter = new SourcePollingChannelAdapter();
    ExpressionEvaluatingTransactionSynchronizationProcessor syncProcessor = new ExpressionEvaluatingTransactionSynchronizationProcessor();
    syncProcessor.setBeanFactory(mock(BeanFactory.class));
    PollableChannel queueChannel = new QueueChannel();
    syncProcessor.setBeforeCommitExpression(new SpelExpressionParser().parseExpression("#bix"));
    syncProcessor.setBeforeCommitChannel(queueChannel);
    syncProcessor.setAfterCommitExpression(new SpelExpressionParser().parseExpression("#baz"));

    DefaultTransactionSynchronizationFactory syncFactory = new DefaultTransactionSynchronizationFactory(
            syncProcessor);//  w w w.  j a va 2  s.c o m

    adapter.setTransactionSynchronizationFactory(syncFactory);

    QueueChannel outputChannel = new QueueChannel();
    adapter.setOutputChannel(outputChannel);
    adapter.setSource(new MessageSource<String>() {

        @Override
        public Message<String> receive() {
            GenericMessage<String> message = new GenericMessage<String>("foo");
            IntegrationResourceHolder holder = (IntegrationResourceHolder) TransactionSynchronizationManager
                    .getResource(this);
            holder.addAttribute("baz", "qux");
            holder.addAttribute("bix", "qox");
            return message;
        }
    });

    MessageChannel afterCommitChannel = TestUtils.getPropertyValue(syncProcessor, "afterCommitChannel",
            MessageChannel.class);
    assertThat(afterCommitChannel, Matchers.instanceOf(NullChannel.class));

    Log logger = TestUtils.getPropertyValue(afterCommitChannel, "logger", Log.class);

    logger = Mockito.spy(logger);

    Mockito.when(logger.isDebugEnabled()).thenReturn(true);

    DirectFieldAccessor dfa = new DirectFieldAccessor(afterCommitChannel);
    dfa.setPropertyValue("logger", logger);

    TransactionSynchronizationManager.initSynchronization();
    TransactionSynchronizationManager.setActualTransactionActive(true);
    doPoll(adapter);
    TransactionSynchronizationUtils.triggerBeforeCommit(false);
    TransactionSynchronizationUtils.triggerAfterCommit();
    Message<?> beforeCommitMessage = queueChannel.receive(1000);
    assertNotNull(beforeCommitMessage);
    assertEquals("qox", beforeCommitMessage.getPayload());

    Mockito.verify(logger).debug(Mockito.anyString());

    TransactionSynchronizationUtils.triggerAfterCompletion(TransactionSynchronization.STATUS_COMMITTED);
    TransactionSynchronizationManager.clearSynchronization();
    TransactionSynchronizationManager.setActualTransactionActive(false);
}

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From source file:org.springframework.integration.endpoint.PseudoTransactionalMessageSourceTests.java

@Test
public void testCommitWithManager() {
    final PollableChannel queueChannel = new QueueChannel();
    TransactionTemplate transactionTemplate = new TransactionTemplate(new PseudoTransactionManager());
    transactionTemplate.execute(status -> {
        SourcePollingChannelAdapter adapter = new SourcePollingChannelAdapter();
        ExpressionEvaluatingTransactionSynchronizationProcessor syncProcessor = new ExpressionEvaluatingTransactionSynchronizationProcessor();
        syncProcessor.setBeanFactory(mock(BeanFactory.class));
        syncProcessor.setBeforeCommitExpression(new SpelExpressionParser().parseExpression("#bix"));
        syncProcessor.setBeforeCommitChannel(queueChannel);
        syncProcessor.setAfterCommitChannel(queueChannel);
        syncProcessor.setAfterCommitExpression(new SpelExpressionParser().parseExpression("#baz"));

        DefaultTransactionSynchronizationFactory syncFactory = new DefaultTransactionSynchronizationFactory(
                syncProcessor);//from   ww  w.  ja  v a2 s  .c om

        adapter.setTransactionSynchronizationFactory(syncFactory);

        QueueChannel outputChannel = new QueueChannel();
        adapter.setOutputChannel(outputChannel);
        adapter.setSource(new MessageSource<String>() {

            @Override
            public Message<String> receive() {
                GenericMessage<String> message = new GenericMessage<String>("foo");
                IntegrationResourceHolder holder = (IntegrationResourceHolder) TransactionSynchronizationManager
                        .getResource(this);
                holder.addAttribute("baz", "qux");
                holder.addAttribute("bix", "qox");
                return message;
            }
        });

        doPoll(adapter);
        return null;
    });
    Message<?> beforeCommitMessage = queueChannel.receive(1000);
    assertNotNull(beforeCommitMessage);
    assertEquals("qox", beforeCommitMessage.getPayload());
    Message<?> afterCommitMessage = queueChannel.receive(1000);
    assertNotNull(afterCommitMessage);
    assertEquals("qux", afterCommitMessage.getPayload());
}

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