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

Example 11 with RetryListener

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

the class RetryListenerTests method testCloseInterceptorsAfterRetry.

@Test
public void testCloseInterceptorsAfterRetry() throws Throwable {
    template.registerListener(new RetryListener() {

        public <T, E extends Throwable> void close(RetryContext context, RetryCallback<T, E> callback, Throwable t) {
            list.add("" + count);
            // The last attempt should have been successful:
            assertNull(t);
        }
    });
    template.execute(new RetryCallback<String, Exception>() {

        public String doWithRetry(RetryContext context) throws Exception {
            if (count++ < 1)
                throw new RuntimeException("Retry!");
            return null;
        }
    });
    assertEquals(2, count);
    // The close interceptor was only called once:
    assertEquals(1, list.size());
    // We succeeded on the second try:
    assertEquals("2", list.get(0));
}

Example 12 with RetryListener

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

the class RetryListenerTests method testOpenCanVetoRetry.

@Test
public void testOpenCanVetoRetry() throws Throwable {
    template.registerListener(new RetryListener() {

        public <T, E extends Throwable> boolean open(RetryContext context, RetryCallback<T, E> callback) {
            list.add("1");
            return false;
        }
    });
    try {
        template.execute(new RetryCallback<String, Exception>() {

            public String doWithRetry(RetryContext context) throws Exception {
                count++;
                return null;
            }
        });
        fail("Expected TerminatedRetryException");
    } catch (TerminatedRetryException e) {
    // expected
    }
    assertEquals(0, count);
    assertEquals(1, list.size());
    assertEquals("1", list.get(0));
}

Example 13 with RetryListener

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

the class RetryListenerTests method testCloseInterceptorsAfterRetry.

@Test
public void testCloseInterceptorsAfterRetry() throws Throwable {
    template.registerListener(new RetryListener() {

        public <T, E extends Throwable> void close(RetryContext context, RetryCallback<T, E> callback, Throwable t) {
            list.add("" + count);
            // The last attempt should have been successful:
            assertNull(t);
        }
    });
    template.execute(new RetryCallback<String, Exception>() {

        public String doWithRetry(RetryContext context) throws Exception {
            if (count++ < 1)
                throw new RuntimeException("Retry!");
            return null;
        }
    });
    assertEquals(2, count);
    // The close interceptor was only called once:
    assertEquals(1, list.size());
    // We succeeded on the second try:
    assertEquals("2", list.get(0));
}

Example 14 with RetryListener

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

the class RetryListenerTests method testOnError.

@Test
public void testOnError() throws Throwable {
    template.setRetryPolicy(new NeverRetryPolicy());
    template.setListeners(new RetryListener[] { new RetryListener() {

        public <T, E extends Throwable> void onError(RetryContext context, RetryCallback<T, E> callback, Throwable throwable) {
            list.add("1");
        }
    }, new RetryListener() {

        public <T, E extends Throwable> void onError(RetryContext context, RetryCallback<T, E> callback, Throwable throwable) {
            list.add("2");
        }
    } });
    try {
        template.execute(new RetryCallback<String, Exception>() {

            public String doWithRetry(RetryContext context) throws Exception {
                count++;
                throw new IllegalStateException("foo");
            }
        });
        fail("Expected IllegalStateException");
    } catch (IllegalStateException e) {
        assertEquals("foo", e.getMessage());
    }
    // never retry so callback is executed once
    assertEquals(1, count);
    assertEquals(2, list.size());
    // interceptors are called in reverse order on error...
    assertEquals("2", list.get(0));
}

Example 15 with RetryListener

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

the class RetryOperationsInterceptorTests method setUp.

@Before
public void setUp() throws Exception {
    this.interceptor = new RetryOperationsInterceptor();
    RetryTemplate retryTemplate = new RetryTemplate();
    final AtomicBoolean calledFirst = new AtomicBoolean();
    retryTemplate.registerListener(new RetryListener() {

        @Override
        public <T, E extends Throwable> boolean open(RetryContext context, RetryCallback<T, E> callback) {
            calledFirst.set(true);
            return true;
        }

        @Override
        public <T, E extends Throwable> void close(RetryContext context, RetryCallback<T, E> callback, Throwable throwable) {
            RetryOperationsInterceptorTests.this.context = context;
        }
    });
    retryTemplate.registerListener(new RetryListener() {

        @Override
        public <T, E extends Throwable> boolean open(RetryContext context, RetryCallback<T, E> callback) {
            assertFalse(calledFirst.get());
            return true;
        }
    }, 0);
    this.interceptor.setRetryOperations(retryTemplate);
    this.target = new ServiceImpl();
    this.service = ProxyFactory.getProxy(Service.class, new SingletonTargetSource(this.target));
    count = 0;
    transactionCount = 0;
}