2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022-2024 Nordix Foundation
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.ncmp.rest.executor;
23 import static java.util.concurrent.TimeUnit.MILLISECONDS;
25 import java.util.concurrent.CompletableFuture;
26 import java.util.function.BiConsumer;
27 import java.util.function.Supplier;
28 import lombok.extern.slf4j.Slf4j;
29 import org.springframework.stereotype.Service;
33 public class CpsNcmpTaskExecutor {
36 * Execute a task asynchronously, and invoke completion handler when done.
38 * @param taskSupplier functional method is get() task needed to be executed asynchronously
39 * @param taskCompletionHandler the action to perform on task completion or error
40 * @param timeOutInMillis the time-out value in milliseconds
42 public void executeTaskWithErrorHandling(final Supplier<Object> taskSupplier,
43 final BiConsumer<Object, Throwable> taskCompletionHandler,
44 final long timeOutInMillis) {
45 CompletableFuture.supplyAsync(taskSupplier)
46 .orTimeout(timeOutInMillis, MILLISECONDS)
47 .whenCompleteAsync(taskCompletionHandler);
51 * Execute a task asynchronously.
53 * @param taskSupplier functional method is get() task needed to be executed asynchronously
54 * @param timeOutInMillis the time-out value in milliseconds
56 public void executeTask(final Supplier<Object> taskSupplier, final long timeOutInMillis) {
57 executeTaskWithErrorHandling(taskSupplier, (taskResult, throwable) -> handleTaskCompletion(throwable),
61 private void handleTaskCompletion(final Throwable throwable) {
62 if (throwable == null) {
63 log.info("Async task completed successfully.");
65 log.error("Async task failed. caused by : {}", throwable.toString());