Examples with RetryListener cn.taketoday.retry.RetryListener used on opensource projects

Example 16 with RetryListener

use of cn.taketoday.retry.RetryListener in project today-infrastructure by TAKETODAY.

the class RetryListenerTests method testCloseInterceptors.

@Test
public void testCloseInterceptors() throws Throwable {
    template.setListeners(new RetryListener[] { new RetryListener() {

        public <T, E extends Throwable> void close(RetryContext context, RetryCallback<T, E> callback, Throwable t) {
            count++;
            list.add("1:" + count);
        }
    }, new RetryListener() {

        public <T, E extends Throwable> void close(RetryContext context, RetryCallback<T, E> callback, Throwable t) {
            count++;
            list.add("2:" + count);
        }
    } });
    template.execute(new RetryCallback<String, Exception>() {

        public String doWithRetry(RetryContext context) throws Exception {
            return null;
        }
    });
    assertEquals(2, count);
    assertEquals(2, list.size());
    // interceptors are called in reverse order on close...
    assertEquals("2:1", list.get(0));
}

Example 17 with RetryListener

use of cn.taketoday.retry.RetryListener in project today-infrastructure by TAKETODAY.

the class RetryListenerTests method testOpenInterceptors.

@Test
public void testOpenInterceptors() throws Throwable {
    template.setListeners(new RetryListener[] { new RetryListener() {

        public <T, E extends Throwable> boolean open(RetryContext context, RetryCallback<T, E> callback) {
            count++;
            list.add("1:" + count);
            return true;
        }
    }, new RetryListener() {

        public <T, E extends Throwable> boolean open(RetryContext context, RetryCallback<T, E> callback) {
            count++;
            list.add("2:" + count);
            return true;
        }
    } });
    template.execute(new RetryCallback<String, Exception>() {

        public String doWithRetry(RetryContext context) throws Exception {
            return null;
        }
    });
    assertEquals(2, count);
    assertEquals(2, list.size());
    assertEquals("1:1", list.get(0));
}

Example 18 with RetryListener

use of cn.taketoday.retry.RetryListener in project today-infrastructure by TAKETODAY.

the class RetryTemplateBuilderTests method testBasicCustomization.

@Test
public void testBasicCustomization() {
    RetryListener listener1 = mock(RetryListener.class);
    RetryListener listener2 = mock(RetryListener.class);
    RetryTemplate template = RetryTemplate.builder().maxAttempts(10).exponentialBackoff(99, 1.5, 1717).retryOn(IOException.class).retryOn(Collections.<Class<? extends Throwable>>singletonList(IllegalArgumentException.class)).traversingCauses().withListener(listener1).withListeners(Collections.singletonList(listener2)).build();
    PolicyTuple policyTuple = PolicyTuple.extractWithAsserts(template);
    BinaryExceptionClassifier classifier = policyTuple.exceptionClassifierRetryPolicy.getExceptionClassifier();
    Assert.assertTrue(classifier.classify(new FileNotFoundException()));
    Assert.assertTrue(classifier.classify(new IllegalArgumentException()));
    Assert.assertFalse(classifier.classify(new RuntimeException()));
    Assert.assertFalse(classifier.classify(new OutOfMemoryError()));
    Assert.assertTrue(policyTuple.baseRetryPolicy instanceof MaxAttemptsRetryPolicy);
    Assert.assertEquals(10, ((MaxAttemptsRetryPolicy) policyTuple.baseRetryPolicy).getMaxAttempts());
    List<RetryListener> listeners = Arrays.asList(getPropertyValue(template, "listeners", RetryListener[].class));
    Assert.assertEquals(2, listeners.size());
    Assert.assertTrue(listeners.contains(listener1));
    Assert.assertTrue(listeners.contains(listener2));
    Assert.assertTrue(getPropertyValue(template, "backOffPolicy") instanceof ExponentialBackOffPolicy);
}