Examples with SettablePromise com.linkedin.parseq.promise.SettablePromise used on opensource projects

Example 1 with SettablePromise

use of com.linkedin.parseq.promise.SettablePromise in project rest.li by linkedin.

the class TestRestLiMethodInvocation method testStreaming.

@Test
public void testStreaming() throws RestLiSyntaxException, URISyntaxException {
    Map<String, ResourceModel> resourceModelMap = buildResourceModels(StatusCollectionResource.class, AsyncStatusCollectionResource.class, PromiseStatusCollectionResource.class, TaskStatusCollectionResource.class);
    final String payload = "{\"metadata\": \"someMetadata\"}";
    ResourceModel statusResourceModel = resourceModelMap.get("/statuses");
    ResourceModel asyncStatusResourceModel = resourceModelMap.get("/asyncstatuses");
    ResourceModel promiseStatusResourceModel = resourceModelMap.get("/promisestatuses");
    ResourceModel taskStatusResourceModel = resourceModelMap.get("/taskstatuses");
    ResourceMethodDescriptor methodDescriptor;
    StatusCollectionResource statusResource;
    AsyncStatusCollectionResource asyncStatusResource;
    PromiseStatusCollectionResource promiseStatusResource;
    TaskStatusCollectionResource taskStatusResource;
    //Sync Method Execution - Successful scenario
    methodDescriptor = statusResourceModel.findActionMethod("streamingAction", ResourceLevel.COLLECTION);
    statusResource = getMockResource(StatusCollectionResource.class);
    EasyMock.expect(statusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject())).andReturn(1234l).once();
    checkInvocation(statusResource, methodDescriptor, "POST", version, "/statuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request failed unexpectedly.");
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
    //Sync Method Execution - Error scenario
    statusResource = getMockResource(StatusCollectionResource.class);
    EasyMock.expect(statusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject())).andThrow(new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR)).once();
    checkInvocation(statusResource, methodDescriptor, "POST", version, "/statuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request passed unexpectedly.");
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //Callback Method Execution - Successful scenario
    methodDescriptor = asyncStatusResourceModel.findMethod(ResourceMethod.ACTION);
    asyncStatusResource = getMockResource(AsyncStatusCollectionResource.class);
    asyncStatusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject(), EasyMock.<Callback<Long>>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            @SuppressWarnings("unchecked") Callback<Long> callback = (Callback<Long>) EasyMock.getCurrentArguments()[2];
            callback.onSuccess(1234l);
            return null;
        }
    });
    checkInvocation(asyncStatusResource, methodDescriptor, "POST", version, "/asyncstatuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request failed unexpectedly.");
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
    //Callback Method Execution - Error scenario
    asyncStatusResource = getMockResource(AsyncStatusCollectionResource.class);
    asyncStatusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject(), EasyMock.<Callback<Long>>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            @SuppressWarnings("unchecked") Callback<Long> callback = (Callback<Long>) EasyMock.getCurrentArguments()[2];
            callback.onError(new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR));
            return null;
        }
    });
    checkInvocation(asyncStatusResource, methodDescriptor, "POST", version, "/asyncstatuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request passed unexpectedly.");
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //Promise Method Execution - Successful scenario
    methodDescriptor = promiseStatusResourceModel.findActionMethod("streamingAction", ResourceLevel.COLLECTION);
    promiseStatusResource = getMockResource(PromiseStatusCollectionResource.class);
    promiseStatusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            final SettablePromise<Long> result = Promises.settable();
            final Runnable requestHandler = new Runnable() {

                public void run() {
                    try {
                        result.done(1234l);
                    } catch (final Throwable throwable) {
                        result.fail(throwable);
                    }
                }
            };
            _scheduler.schedule(requestHandler, 0, TimeUnit.MILLISECONDS);
            return result;
        }
    });
    checkInvocation(promiseStatusResource, methodDescriptor, "POST", version, "/promisestatuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request failed unexpectedly.");
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
    //Promise Method Execution - Error scenario
    promiseStatusResource = getMockResource(PromiseStatusCollectionResource.class);
    promiseStatusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            final SettablePromise<Long> result = Promises.settable();
            final Runnable requestHandler = new Runnable() {

                public void run() {
                    result.fail(new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR));
                }
            };
            _scheduler.schedule(requestHandler, 0, TimeUnit.MILLISECONDS);
            return result;
        }
    });
    checkInvocation(promiseStatusResource, methodDescriptor, "POST", version, "/promisestatuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request passed unexpectedly.");
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //Task Method Execution - Successful scenario
    methodDescriptor = taskStatusResourceModel.findMethod(ResourceMethod.ACTION);
    taskStatusResource = getMockResource(TaskStatusCollectionResource.class);
    taskStatusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            return new BaseTask<Long>() {

                protected Promise<Long> run(final Context context) throws Exception {
                    return Promises.value(1234l);
                }
            };
        }
    });
    checkInvocation(taskStatusResource, methodDescriptor, "POST", version, "/taskstatuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request failed unexpectedly.");
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
    //Task Method Execution - Error scenario
    taskStatusResource = getMockResource(TaskStatusCollectionResource.class);
    taskStatusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            return new BaseTask<Long>() {

                protected Promise<Long> run(final Context context) throws Exception {
                    return Promises.error(new RestLiServiceException(HttpStatus.S_500_INTERNAL_SERVER_ERROR));
                }
            };
        }
    });
    checkInvocation(taskStatusResource, methodDescriptor, "POST", version, "/taskstatuses/?action=streamingAction", payload, null, new RequestExecutionCallback<RestResponse>() {

        @Override
        public void onError(Throwable e, RequestExecutionReport executionReport, RestLiAttachmentReader requestAttachmentReader, RestLiResponseAttachments responseAttachments) {
        }

        @Override
        public void onSuccess(RestResponse result, RequestExecutionReport executionReport, RestLiResponseAttachments responseAttachments) {
            Assert.fail("Request passed unexpectedly.");
        }
    }, false, false, new RestLiAttachmentReader(null), new RestLiResponseAttachments.Builder().build());
}

Example 2 with SettablePromise

use of com.linkedin.parseq.promise.SettablePromise in project rest.li by linkedin.

the class TestAsyncMethodInvocationPlanClass method engine.

private Engine engine(SettablePromise<Trace> traceHolder) {
    ExecutorService taskScheduler = Executors.newFixedThreadPool(1);
    ScheduledExecutorService timerScheduler = Executors.newSingleThreadScheduledExecutor();
    return new EngineBuilder().setTaskExecutor(taskScheduler).setTimerScheduler(timerScheduler).setPlanCompletionListener(planCtx -> {
        try {
            traceHolder.done(planCtx.getRootTask().getTrace());
        } catch (PromiseResolvedException e) {
        }
    }).build();
}