线程池配置

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@Configuration @EnableAsync public class ExecutorConfig {     private static final int poolSizeMin = 30;       @Bean     public Executor executor() {         ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();         String poolSize = "60";         int poolSizeNum = Integer.parseInt(poolSize);         if (poolSizeNum < poolSizeMin) {             poolSizeNum = poolSizeMin;         }         executor.setThreadNamePrefix("dataTo-");         executor.setMaxPoolSize(poolSizeNum);         executor.setCorePoolSize(poolSizeMin);         executor.setQueueCapacity(10);         executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());         executor.initialize();         return executor;     } }