Merge branch 'dev' into pre-production

blade-service/logpm-factory/src/main/java/com/logpm/factory/config/ExecutorConfig.java

@@ -0,0 +1,82 @@
+package com.logpm.factory.config;
+
+import lombok.extern.slf4j.Slf4j;
+import org.slf4j.MDC;
+import org.springblade.core.secure.utils.AuthUtil;
+import org.springblade.core.tool.utils.ThreadLocalUtil;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.task.TaskDecorator;
+import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+import org.springframework.web.context.request.RequestAttributes;
+import org.springframework.web.context.request.RequestContextHolder;
+
+import javax.annotation.Nonnull;
+import java.util.Map;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadPoolExecutor;
+
+@Configuration
+@Slf4j
+@EnableAsync
+public class ExecutorConfig {
+
+	@Bean
+	public Executor asyncExecutor() {
+		log.info("start async executor");
+		ThreadPoolTaskExecutor threadPoolTaskExecutor = new ThreadPoolTaskExecutor();
+//        配置核心线程数
+		threadPoolTaskExecutor.setCorePoolSize(10);
+//        配置最大线程数
+		threadPoolTaskExecutor.setMaxPoolSize(20);
+//        配置队列大小
+		threadPoolTaskExecutor.setQueueCapacity(50);
+//        配置线程池中线程的名称前缀
+		threadPoolTaskExecutor.setThreadNamePrefix("ASYNC_THREAD_");
+//   HelloWorldServiceImpl     rejection-policy: 当pool已经达到max size时，如何处理新任务：
+//        CallerRunsPolicy: 不在新线程中执行任务，而是由调用者所在的线程来执行；
+//        AbortPolicy: 拒绝执行新任务，并抛出RejectedExecutionException异常；
+//        DiscardPolicy：丢弃当前将要加入队列的任务；
+//        DiscardOldestPolicy：丢弃任务队列中最旧的任务；
+		threadPoolTaskExecutor.setRejectedExecutionHandler(
+			new ThreadPoolExecutor.CallerRunsPolicy()
+		);
+		threadPoolTaskExecutor.setTaskDecorator(new ContextCopyingDecorator());
+		threadPoolTaskExecutor.initialize();
+		return threadPoolTaskExecutor;
+	}
+
+
+	static class ContextCopyingDecorator implements TaskDecorator {
+		@Nonnull
+		@Override
+		public Runnable decorate(@Nonnull Runnable runnable) {
+			RequestAttributes context = RequestContextHolder.currentRequestAttributes();
+			String tenantId = AuthUtil.getTenantId();
+			Map<String, Object> all = ThreadLocalUtil.getAll();
+			Map<String, String> mdcMap = MDC.getCopyOfContextMap();
+			return () -> {
+				try {
+					all.keySet().forEach(key -> ThreadLocalUtil.put(key, all.get(key)));
+					if (mdcMap != null && !mdcMap.isEmpty()) {
+						MDC.setContextMap(mdcMap);
+					}
+					RequestContextHolder.setRequestAttributes(context);
+					String tenantId1 = AuthUtil.getTenantId();
+
+					runnable.run();
+				} finally {
+					RequestContextHolder.resetRequestAttributes();
+					all.clear();
+					if (mdcMap != null) {
+						mdcMap.clear();
+					}
+					ThreadLocalUtil.clear();
+					MDC.clear();
+				}
+			};
+		}
+	}
+
+}