添加代码示例springboot-async

springboot-async/src/main/java/com/xncoding/pos/Application.java

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+package com.xncoding.pos;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

springboot-async/src/main/java/com/xncoding/pos/async/AsyncException.java

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+package com.xncoding.pos.async;
+
+/**
+ * 异步方法异常
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/1/25
+ */
+public class AsyncException extends RuntimeException {
+    public AsyncException() {
+        super();
+    }
+
+    public AsyncException(String msg) {
+        super(msg);
+    }
+
+    public AsyncException(int code, String msg) {
+        super(msg);
+        this.code = code;
+    }
+
+    /**
+     * 错误代码
+     */
+    private int code;
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+}

springboot-async/src/main/java/com/xncoding/pos/async/AsyncExceptionHandler.java

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+package com.xncoding.pos.async;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
+
+import java.lang.reflect.Method;
+import java.util.Arrays;
+
+/**
+ * AsyncExceptionHandler
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/1/25
+ */
+public class AsyncExceptionHandler implements AsyncUncaughtExceptionHandler {
+    private static final Logger log = LoggerFactory.getLogger(AsyncExceptionHandler.class);
+    @Override
+    public void handleUncaughtException(Throwable ex, Method method, Object... params) {
+        log.error("Async method has uncaught exception, params:{}" + Arrays.toString(params));
+
+        if (ex instanceof AsyncException) {
+            AsyncException asyncException = (AsyncException) ex;
+            log.error("asyncException:"  + asyncException.getMessage());
+        }
+
+        log.error("Exception :", ex);
+    }
+}

springboot-async/src/main/java/com/xncoding/pos/async/AsyncTask.java

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+package com.xncoding.pos.async;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.scheduling.annotation.AsyncResult;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.Future;
+
+/**
+ * AsyncDemo
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/1/25
+ */
+@Component
+public class AsyncTask {
+    private static final Logger logger = LoggerFactory.getLogger(AsyncTask.class);
+
+    @Async
+    public void dealNoReturnTask() {
+        logger.info("返回值为void的异步调用开始" + Thread.currentThread().getName());
+        try {
+            Thread.sleep(3000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        logger.info("返回值为void的异步调用结束" + Thread.currentThread().getName());
+    }
+
+    @Async
+    public Future<String> dealHaveReturnTask(int i) {
+        logger.info("asyncInvokeReturnFuture, parementer=" + i);
+        Future<String> future;
+        try {
+            Thread.sleep(1000 * i);
+            future = new AsyncResult<String>("success:" + i);
+        } catch (InterruptedException e) {
+            future = new AsyncResult<String>("error");
+        }
+        return future;
+    }
+
+}

springboot-async/src/main/java/com/xncoding/pos/config/AsyncConfig.java

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+package com.xncoding.pos.config;
+
+import com.xncoding.pos.async.AsyncExceptionHandler;
+import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.annotation.Order;
+import org.springframework.scheduling.annotation.AsyncConfigurer;
+import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+
+import java.util.concurrent.Executor;
+
+/**
+ * AsyncConfig
+ *
+ * @author XiongNeng
+ * @version 1.0
+ * @since 2018/1/25
+ */
+@Configuration
+@EnableAsync
+public class AsyncConfig implements AsyncConfigurer {
+
+    @Override
+    public Executor getAsyncExecutor() {
+        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
+        executor.setCorePoolSize(10);
+        executor.setMaxPoolSize(100);
+        executor.setQueueCapacity(100);
+        executor.setWaitForTasksToCompleteOnShutdown(true);
+        executor.setAwaitTerminationSeconds(60 * 10);
+        executor.setThreadNamePrefix("AsyncThread-");
+        executor.initialize(); //如果不初始化，导致找到不到执行器
+        return executor;
+    }
+
+    @Override
+    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
+        return new AsyncExceptionHandler();
+    }
+}

springboot-async/src/main/resources/application.yml

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+##########################################################
+##################  所有profile共有的配置  #################
+##########################################################
+
+###################  spring配置  ###################
+spring:
+  profiles:
+    active: dev
+
+---
+
+#####################################################################
+########################  开发环境profile  ##########################
+#####################################################################
+spring:
+  profiles: dev
+
+logging:
+  level:
+    ROOT: INFO
+    com:
+      xncoding: DEBUG
+  file: E:/logs/app.log
+
+---
+
+#####################################################################
+########################  测试环境profile  ##########################
+#####################################################################
+
+spring:
+  profiles: test
+
+logging:
+  level:
+    ROOT: INFO
+    com:
+      xncoding: DEBUG
+  file: /var/logs/app.log

springboot-async/src/main/resources/banner.txt

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+
+          _____           _______                   _____                    _____
+         /\    \         /::\    \                 /\    \                  /\    \
+        /::\____\       /::::\    \               /::\____\                /::\    \
+       /:::/    /      /::::::\    \             /:::/    /               /::::\    \
+      /:::/    /      /::::::::\    \           /:::/    /               /::::::\    \
+     /:::/    /      /:::/~~\:::\    \         /:::/    /               /:::/\:::\    \
+    /:::/    /      /:::/    \:::\    \       /:::/____/               /:::/__\:::\    \
+   /:::/    /      /:::/    / \:::\    \      |::|    |               /::::\   \:::\    \
+  /:::/    /      /:::/____/   \:::\____\     |::|    |     _____    /::::::\   \:::\    \
+ /:::/    /      |:::|    |     |:::|    |    |::|    |    /\    \  /:::/\:::\   \:::\    \
+/:::/____/       |:::|____|     |:::|    |    |::|    |   /::\____\/:::/__\:::\   \:::\____\
+\:::\    \        \:::\    \   /:::/    /     |::|    |  /:::/    /\:::\   \:::\   \::/    /
+ \:::\    \        \:::\    \ /:::/    /      |::|    | /:::/    /  \:::\   \:::\   \/____/
+  \:::\    \        \:::\    /:::/    /       |::|____|/:::/    /    \:::\   \:::\    \
+   \:::\    \        \:::\__/:::/    /        |:::::::::::/    /      \:::\   \:::\____\
+    \:::\    \        \::::::::/    /         \::::::::::/____/        \:::\   \::/    /
+     \:::\    \        \::::::/    /           ~~~~~~~~~~               \:::\   \/____/
+      \:::\    \        \::::/    /                                      \:::\    \
+       \:::\____\        \::/____/                                        \:::\____\
+        \::/    /         ~~                                               \::/    /
+         \/____/                                                            \/____/
+

springboot-async/src/test/java/com/xncoding/pos/ApplicationTests.java

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+package com.xncoding.pos;
+
+import com.xncoding.pos.async.AsyncTask;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+
+/**
+ * 测试异步任务
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class ApplicationTests {
+    private static final Logger log = LoggerFactory.getLogger(ApplicationTests.class);
+    @Autowired
+    private AsyncTask asyncTask;
+
+    @Test
+    public void testAsync() throws InterruptedException, ExecutionException {
+        asyncTask.dealNoReturnTask();
+
+        Future<String> f = asyncTask.dealHaveReturnTask(5);
+
+        log.info("主线程执行finished");
+
+        log.info(f.get());
+        assertThat(f.get(), is("success:" + 5));
+    }
+}