/* ******************************************************************************* * Copyright (c) 2019 Contributors to the Eclipse Foundation * * See the NOTICE file(s) distributed with this work for additional * information regarding copyright ownership. * * Licensed under the Apache License, Version 2.0 (the "License"); * You may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *******************************************************************************/ package org.eclipse.microprofile.fault.tolerance.tck.asynchronous.fallback; import org.eclipse.microprofile.fault.tolerance.tck.asynchronous.CompletableFutureHelper; import org.eclipse.microprofile.faulttolerance.Asynchronous; import org.eclipse.microprofile.faulttolerance.Fallback; import javax.enterprise.context.RequestScoped; import java.io.IOException; import java.util.concurrent.CompletableFuture; import java.util.concurrent.CompletionStage; import java.util.concurrent.Future; import static java.util.concurrent.CompletableFuture.completedFuture; @RequestScoped public class AsyncFallbackClient { /** * Returns a Future which always completes successfully, so should NOT fallback. */ @Asynchronous @Fallback(fallbackMethod = "fallback") public Future<String> service1() { return CompletableFuture.completedFuture("Success"); } /** * Always throws an exception directly, so should fallback. */ @Asynchronous @Fallback(fallbackMethod = "fallback") public Future<String> service2() throws IOException { throw new IOException("Simulated error"); } /** * Returns a Future which always completes exceptionally, but the return type is Future, so should NOT fallback. */ @Asynchronous @Fallback(fallbackMethod = "fallback") public Future<String> service3() { return CompletableFutureHelper.failedFuture(new IOException("Simulated error")); } public Future<String> fallback() { return completedFuture("Fallback"); } /** * Returns a CompletionStage which always completes successfully, so should NOT fallback. */ @Asynchronous @Fallback(fallbackMethod = "fallbackCS") public CompletionStage<String> serviceCS1() { return CompletableFuture.completedFuture("Success"); } /** * Always throws an exception directly, so should fallback. */ @Asynchronous @Fallback(fallbackMethod = "fallbackCS") public CompletionStage<String> serviceCS2() throws IOException { throw new IOException("Simulated error"); } /** * Returns a CompletionStage which always completes exceptionally, so should fallback. */ @Asynchronous @Fallback(fallbackMethod = "fallbackCS") public CompletionStage<String> serviceCS3() { return CompletableFutureHelper.failedFuture(new IOException("Simulated error")); } public CompletionStage<String> fallbackCS() { return completedFuture("Fallback"); } }