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/*
* ============LICENSE_START=======================================================
* Copyright (c) 2021 Bell Canada.
* Modifications Copyright (C) 2022 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.config;
import java.util.concurrent.ThreadPoolExecutor;
import javax.validation.constraints.Min;
import lombok.Setter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.validation.annotation.Validated;
@EnableAsync
@Configuration
@ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
@ConfigurationProperties("notification.async.executor")
@Validated
@Setter
public class AsyncConfig {
@Min(0)
private int corePoolSize = 2;
@Min(2)
private int maxPoolSize = 10;
@Min(0)
private int queueCapacity = Integer.MAX_VALUE;
private boolean waitForTasksToCompleteOnShutdown = true;
private String threadNamePrefix = "Async-";
/**
* Creates TaskExecutor for processing data-updated events.
*
* @return TaskExecutor
*/
@Bean("notificationExecutor")
public TaskExecutor getThreadAsyncExecutorForNotification() {
final ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(corePoolSize);
executor.setMaxPoolSize(maxPoolSize);
executor.setQueueCapacity(queueCapacity);
executor.setWaitForTasksToCompleteOnShutdown(waitForTasksToCompleteOnShutdown);
executor.setKeepAliveSeconds(60);
executor.setThreadNamePrefix(threadNamePrefix);
executor.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy());
executor.initialize();
return executor;
}
}
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