2 * ============LICENSE_START=======================================================
3 * Copyright (c) 2021 Bell Canada.
4 * Modifications Copyright (C) 2022 Nordix Foundation.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.cps.config;
24 import jakarta.validation.constraints.Min;
25 import java.util.concurrent.ThreadPoolExecutor;
27 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
28 import org.springframework.boot.context.properties.ConfigurationProperties;
29 import org.springframework.context.annotation.Bean;
30 import org.springframework.context.annotation.Configuration;
31 import org.springframework.core.task.TaskExecutor;
32 import org.springframework.scheduling.annotation.EnableAsync;
33 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
34 import org.springframework.validation.annotation.Validated;
38 @ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
39 @ConfigurationProperties("notification.async.executor")
42 public class AsyncConfig {
45 private int corePoolSize = 2;
47 private int maxPoolSize = 10;
49 private int queueCapacity = Integer.MAX_VALUE;
50 private boolean waitForTasksToCompleteOnShutdown = true;
51 private String threadNamePrefix = "Async-";
54 * Creates TaskExecutor for processing data-updated events.
56 * @return TaskExecutor
58 @Bean("notificationExecutor")
59 public TaskExecutor getThreadAsyncExecutorForNotification() {
60 final ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
61 executor.setCorePoolSize(corePoolSize);
62 executor.setMaxPoolSize(maxPoolSize);
63 executor.setQueueCapacity(queueCapacity);
64 executor.setWaitForTasksToCompleteOnShutdown(waitForTasksToCompleteOnShutdown);
65 executor.setKeepAliveSeconds(60);
66 executor.setThreadNamePrefix(threadNamePrefix);
67 executor.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy());
68 executor.initialize();