本文整理了Java中com.englishtown.promises.Promise.then()方法的一些代码示例，展示了Promise.then()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Promise.then()方法的具体详情如下：
包路径：com.englishtown.promises.Promise
类名称：Promise
方法名：then

Promise.then介绍

暂无

代码示例

代码示例来源：origin: ef-labs/when.java

@Override
public <T, U> Promise<U> when(T x, Function<T, ? extends Thenable<U>> onFulfilled, Function<Throwable, ? extends Thenable<U>> onRejected) {
  Promise<T> p = resolve(x);
  return p.then(onFulfilled, onRejected);
}

代码示例来源：origin: com.englishtown/vertx-mod-jersey

/**
 * Returns a promise for asynchronously creating a {@link com.englishtown.vertx.jersey.JerseyServer}.
 * The promise type matches the WhenContainer signature to facilitate parallel deployments.
 *
 * @param config the jersey json configuration
 * @return a promise for an empty string
 */
@Override
public Promise<String> createServerSimple(JsonObject config) {
  return createServer(config).then(jerseyServer -> when.resolve(""));
}

代码示例来源：origin: com.englishtown.vertx/vertx-jersey

/**
 * Returns a promise for asynchronously creating a {@link com.englishtown.vertx.jersey.JerseyServer}.
 * The promise type matches the WhenContainer signature to facilitate parallel deployments.
 *
 * @return a promise for an empty string
 */
@Override
public Promise<String> createServerSimple() {
  return createServer().then(jerseyServer -> when.resolve(""));
}

代码示例来源：origin: ef-labs/vertx-jersey

/**
 * Returns a promise for asynchronously creating a {@link com.englishtown.vertx.jersey.JerseyServer}.
 * The promise type matches the WhenContainer signature to facilitate parallel deployments.
 *
 * @return a promise for an empty string
 */
@Override
public Promise<String> createServerSimple() {
  return createServer().then(jerseyServer -> when.resolve(""));
}

代码示例来源：origin: ef-labs/vertx-jersey

@Test
public void testCreateServer_Success() throws Exception {
  when(result.succeeded()).thenReturn(true);
  whenJerseyServer.createServer()
      .then(done.onFulfilled, done.onRejected);
  verify(server).start(any(), any(), handlerCaptor.capture());
  handlerCaptor.getValue().handle(result);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/vertx-jersey

@Test
public void testCreateServer_Fail() throws Exception {
  when(result.succeeded()).thenReturn(false);
  whenJerseyServer.createServer()
      .then(done.onFulfilled, done.onRejected);
  verify(server).start(any(), any(), handlerCaptor.capture());
  handlerCaptor.getValue().handle(result);
  done.assertRejected();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testAny_should_resolve_to_undefined_with_empty_input_array() throws Exception {
  List<Promise<Integer>> input = new ArrayList<>();
  when.any(input).then(
      result -> {
        assertNull(result);
        return null;
      },
      fail.onRejected
  ).then(done.onFulfilled, done.onRejected);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
@SuppressWarnings("unchecked")
public void testJoin_should_join_promises_array() throws Exception {
  when.join(resolved(1), resolved(2), resolved(3)).<Integer>then(
      results -> {
        assertThat(results, is(Arrays.asList(1, 2, 3)));
        return null;
      }
  ).then(done.onFulfilled, done.onRejected);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testReduce_should_allow_sparse_array_input_with_initial() throws Exception {
  List<Promise<Integer>> input = Arrays.asList(null, null, resolved(1), null, resolved(1), resolved(1));
  when.reduce(input, this::plus, resolved(1))
      .<Integer>then(
          result -> {
            assertEquals(4, result.intValue());
            return null;
          })
      .then(done.onFulfilled, done.onRejected);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testReduce_should_reduce_promised_values_with_initial_promise() throws Exception {
  List<Promise<Integer>> input = Arrays.asList(when.resolve(1), when.resolve(2), when.resolve(3));
  when.reduce(input, this::plus, when.resolve(1))
      .<Integer>then(
          result -> {
            assertEquals(7, result.intValue());
            return null;
          })
      .then(done.onFulfilled, done.onRejected);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testSome_should_resolve_promises_array() throws Exception {
  List<Promise<Integer>> input = Arrays.asList(when.resolve(1), when.resolve(2), when.resolve(3));
  when.some(input, 2).<Integer>then(
      results -> {
        assertEquals(2, results.size());
        assertTrue(isSubset(results, Arrays.asList(1, 2, 3)));
        return null;
      }).then(done.onFulfilled, done.onRejected);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testRace_should_fulfill_when_winner_fulfills() throws Exception {
  Deferred<Sentinel> d1 = when.defer();
  Deferred<Sentinel> d2 = when.defer();
  when.race(Arrays.asList(d1.getPromise(), d2.getPromise(), fulfilled))
      .then(x -> {
        assertEquals(sentinel, x);
        return null;
      }, fail.onRejected)
      .then(done.onFulfilled, done.onRejected);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testPromise_then_should_allow_null_and_undefined() {
  assertNotNull(when.defer().getPromise().then(null));
  assertNotNull(when.defer().getPromise().then(null, null));
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testPromise_then_should_allow_functions_and_null_or_undefined_to_be_mixed() {
  assertNotNull(when.defer().getPromise().then(f1, null));
  assertNotNull(when.defer().getPromise().then(null, f2));
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testFlow_should_catch_rejections() throws Exception {
  rejected(sentinelEx).<Sentinel>otherwise((e) -> {
    assertEquals(e, sentinelEx);
    return null;
  }).then(done.onFulfilled, done.onRejected);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testPromise_inspect_when_inspecting_promises_should_return_rejected_state_for_rejected_promise() {
  Promise<Object> promise = when.reject(sentinelEx);
  promise.then(fail.onFulfilled, (t) -> {
    assertRejected(promise.inspect(), sentinelEx);
    return null;
  }).ensure(done::fulfill);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/when.java

@Test
public void testElse_should_resolve_normally_if_previous_promise_doesnt_fail() throws Exception {
  when.resolve(input)
      .orElse(resolved(sentinel))
      .then((val) -> {
        assertEquals(input, val);
        return null;
      })
      .ensure(done::fulfill);
  done.assertFulfilled();
}

代码示例来源：origin: ef-labs/vertx-jersey

private void runTest(String role, int status) {
  getWhenHttpClient().request(HttpMethod.GET, 8080, "localhost", BASE_PATH + role)
      .then(response -> {
        assertEquals(status, response.statusCode());
        testComplete();
        return null;
      })
      .otherwise(this::onRejected);
  await();
}

代码示例来源：origin: ef-labs/vertx-jersey

@Test
public void testGet() throws Exception {
  getWhenHttpClient().requestAbs(HttpMethod.GET, "http://localhost:8080/when")
      .then(response -> {
        assertEquals(200, response.statusCode());
        testComplete();
        return null;
      })
      .otherwise(this::onRejected);
  await();
}

代码示例来源：origin: ef-labs/vertx-jersey

@Test
public void testGet() throws Exception {
  getWhenHttpClient().requestAbs(HttpMethod.GET, BASE_PATH)
      .then(response -> {
        assertEquals(200, response.statusCode());
        String header = response.getHeader(PoweredByResponseFilter.HEADER_X_POWERED_BY);
        assertEquals(PoweredByResponseFilter.HEADER_X_POWERED_BY_VALUE, header);
        testComplete();
        return null;
      })
      .otherwise(this::onRejected);
  await();
}