com.lwohvye.beans.config.ValentineExecutorConfig Maven / Gradle / Ivy

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/*
 *    Copyright (c) 2022-2024.  lWoHvYe(Hongyan Wang)
 *
 *    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 com.lwohvye.beans.config;

import org.apache.tomcat.util.threads.VirtualThreadExecutor;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
import org.springframework.boot.web.embedded.tomcat.TomcatProtocolHandlerCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.core.task.AsyncTaskExecutor;
import org.springframework.core.task.support.TaskExecutorAdapter;

import java.util.concurrent.Executors;

/**
 * Running Spring Applications on Virtual Threads
 * embracing virtual threads
 */
@AutoConfiguration
//@ConditionalOnJava(JavaVersion.NINETEEN)
@ConditionalOnProperty(name = "spring.threads.virtual.enabled", havingValue = "false", matchIfMissing = true)
public class ValentineExecutorConfig {

    /**
     * async ThreadPool
     *
     * @return org.springframework.core.task.AsyncTaskExecutor
     * @date 2022/11/29 12:54 PM
     */
    @Bean(TaskExecutionAutoConfiguration.APPLICATION_TASK_EXECUTOR_BEAN_NAME)
    public AsyncTaskExecutor asyncTaskExecutor() {
        var virtualFactory = Thread.ofVirtual().name("Virtual-Async").factory();
        return new TaskExecutorAdapter(Executors.newThreadPerTaskExecutor(virtualFactory));
    }

    /**
     * httpRequest ThreadPool, will do sync-db-query also
     *
     * @return org.springframework.boot.web.embedded.tomcat.TomcatProtocolHandlerCustomizer
     * @date 2022/11/29 12:53 PM
     */
    @Bean
    public TomcatProtocolHandlerCustomizer protocolHandlerVirtualThreadExecutorCustomizer() {
//        var virtualFactory = Thread.ofVirtual().name("Virtual-WebServer").factory();
//        return protocolHandler -> protocolHandler.setExecutor(Executors.newThreadPerTaskExecutor(virtualFactory));
//        counter can't be disabled, based on reflect
        return protocolHandler -> protocolHandler.setExecutor(new VirtualThreadExecutor("Virtual-WebServer-"));
    }
}