Examples of org.springframework.beans.DirectFieldAccessor

org.springframework.beans.DirectFieldAccessor
{@link PropertyAccessor} implementation that directly accesses instance fields.Allows for direct binding to fields instead of going through JavaBean setters.
This implementation just supports fields in the actual target object. It is not able to traverse nested fields.
A DirectFieldAccessor's default for the "extractOldValueForEditor" setting is "true", since a field can always be read without side effects. @author Juergen Hoeller @since 2.0 @see #setExtractOldValueForEditor @see BeanWrapper @see org.springframework.validation.DirectFieldBindingResult @see org.springframework.validation.DataBinder#initDirectFieldAccess()

    assertNotNull(queue.poll(10, TimeUnit.SECONDS));
    SimpleMessageListenerContainer listenerContainer = context.getBean("container4",
        SimpleMessageListenerContainer.class);
    listenerContainer.stop();
    RabbitAdmin admin = spy(TestUtils.getPropertyValue(listenerContainer, "rabbitAdmin", RabbitAdmin.class));
    new DirectFieldAccessor(listenerContainer).setPropertyValue("rabbitAdmin", admin);
    listenerContainer = spy(listenerContainer);


    //Prevent a long 'passiveDeclare' process
    BlockingQueueConsumer consumer = mock(BlockingQueueConsumer.class);
    doThrow(RuntimeException.class).when(consumer).start();

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    return "Total queue size: " + n;
  }




  private static List<BlockingQueue<?>> getQueues(SimpleMessageListenerContainer container) {
    DirectFieldAccessor accessor = new DirectFieldAccessor(container);
    List<BlockingQueue<?>> queues = new ArrayList<BlockingQueue<?>>();
    @SuppressWarnings("unchecked")
    Set<BlockingQueueConsumer> consumers = (Set<BlockingQueueConsumer>) accessor.getPropertyValue("consumers");
    for (BlockingQueueConsumer consumer : consumers) {
      accessor = new DirectFieldAccessor(consumer);
      queues.add((BlockingQueue<?>) accessor.getPropertyValue("queue"));
    }
    return queues;
  }

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    awaitStop.countDown();


    assertTrue("awaitConsumeFirst.count=" + awaitConsumeFirst.getCount(),
        awaitConsumeFirst.await(10, TimeUnit.SECONDS));
    n = 0;
    DirectFieldAccessor dfa = new DirectFieldAccessor(container);
    while (dfa.getPropertyValue("consumers") != null && n++ < 100) {
      Thread.sleep(100);
    }
    assertTrue(n < 100);
    // make sure we stopped receiving after the prefetch was consumed
    assertEquals(5, received.get());

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        invocation.callRealMethod();
        return null;
      }
    }).when(log).debug(
        Mockito.contains("Consumer received Shutdown Signal, processing stopped"));
    DirectFieldAccessor dfa = new DirectFieldAccessor(container);
    dfa.setPropertyValue("logger", log);
    container.setQueues(queue);
    container.setMessageListener(new MessageListenerAdapter());
    container.afterPropertiesSet();
    container.start();

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    verify(onlyChannel).txCommit();
    verify(onlyChannel).basicPublish(Mockito.anyString(), Mockito.anyString(), Mockito.anyBoolean(),
        Mockito.any(BasicProperties.class), Mockito.any(byte[].class));


    // verify close() was never called on the channel
    DirectFieldAccessor dfa = new DirectFieldAccessor(cachingConnectionFactory);
    List<?> channels = (List<?>) dfa.getPropertyValue("cachedChannelsTransactional");
    assertEquals(0, channels.size());


    container.stop();


  }

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    verify(templateChannel).basicPublish(Mockito.anyString(), Mockito.anyString(), Mockito.anyBoolean(),
        Mockito.any(BasicProperties.class), Mockito.any(byte[].class));
    verify(templateChannel).txCommit();


    // verify close() was never called on the channel
    DirectFieldAccessor dfa = new DirectFieldAccessor(cachingConnectionFactory);
    List<?> channels = (List<?>) dfa.getPropertyValue("cachedChannelsTransactional");
    assertEquals(0, channels.size());


    container.stop();


  }

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    verify(onlyChannel).txCommit();
    verify(onlyChannel).basicPublish(Mockito.anyString(), Mockito.anyString(), Mockito.anyBoolean(),
        Mockito.any(BasicProperties.class), Mockito.any(byte[].class));


    // verify close() was never called on the channel
    DirectFieldAccessor dfa = new DirectFieldAccessor(cachingConnectionFactory);
    List<?> channels = (List<?>) dfa.getPropertyValue("cachedChannelsTransactional");
    assertEquals(0, channels.size());


    container.stop();
  }

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    Grocery grocery = mock(Grocery.class);
    Meat meat = mock(Meat.class);
    List<Message<Product>> products = Arrays.asList(wrapInMessage(grocery), wrapInMessage(meat));


    Meal meal = cook.prepareMeal(products);
    DirectFieldAccessor accessor = new DirectFieldAccessor(meal);
    assertThat((List<Product>)accessor.getPropertyValue("products"), hasItems(grocery, meat));
  }

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    // this test is be performed by the fixture (Spring)
  }


  @Test
  public void fileReaderShouldGetInputDir() {
    Object inputDir = new DirectFieldAccessor(fileReader).getPropertyValue("directory");
    System.out.println(inputDir);
    assertThat(inputDir, is(notNullValue()));
  }

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  @Test(timeout = 10000)
  public void newChangesArePickedUp() throws Exception {
    File file = parent.newFile(Long.toString(System.currentTimeMillis()) + processId);
    System.out.println(file);
    file.createNewFile();
      Object inputDir = new DirectFieldAccessor(fileReader).getPropertyValue("directory");
    System.out.println(inputDir);
    Message<?> received = incomingChanges.receive();
    assertThat(received, is(notNullValue()));
  }

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