springboot+ 线程池
//线程池类,直接复制不用修改 import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; import java.util.concurrent.ThreadPoolExecutor; /** * @author xulei * @version 1.0 * @date 2020/8/21 16:00 */ @Configuration public class ThreadConfig { //线程池维护线程的最少数量 private int corePoolSize = 10; //线程池维护线程的最大数量 private int maxPoolSize = 45; //缓存队列 private int queueCapacity = 8; //允许的空闲时间 private int keepAlive = 60; @Bean(name = "threadPool") public ThreadPoolTaskExecutor getThreadPool() { ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); executor.setCorePoolSize(corePoolSize); executor.setMaxPoolSize(maxPoolSize); executor.setQueueCapacity(queueCapacity); executor.setThreadNamePrefix("Executor-"); // rejection-policy:当pool已经达到max size的时候,如何处理新任务 // CALLER_RUNS:不在新线程中执行任务,而是由调用者所在的线程来执行 executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy()); //对拒绝task的处理策略 executor.setKeepAliveSeconds(keepAlive); executor.initialize(); return executor; } }
//使用,先注入
@Resource(name = "threadPool") private ThreadPoolTaskExecutor executor;
//调用
executor.execute(() -> {
//自己的逻辑代码
});
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