add async examples

Author: keets2012

api-gateway/pom.xml

@@ -13,7 +13,7 @@
 
     <dependencies>
         <dependency>
-            <groupId>cn.keets</groupId>
+            <groupId>com.blueskykong</groupId>
             <artifactId>jersey-starter-swagger</artifactId>
             <version>1.0.0.RELEASE</version>
         </dependency>

api-gateway/src/main/resources/application.yml

@@ -1,6 +1,6 @@
 package com.blueskykong.starter.jersey;
 
-import cn.keets.swagger.EnableSwagger2Doc;
+import com.blueskykong.swagger.EnableSwagger2Doc;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.boot.SpringApplication;

demo-jersey-starter/pom.xml

@@ -20,9 +20,10 @@
         <module>demo-jersey-starter</module>
         <module>zipkin-server-stream</module>
         <module>config-client</module>
-        <module>api-gateway</module>
+        <module>zuul-gateway</module>
         <module>config-server</module>
         <module>auth-backend</module>
+        <module>spring-boot-async</module>
     </modules>
 
     <properties>

demo-jersey-starter/src/main/java/com/blueskykong/starter/jersey/DemoApplication.java

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.5.2.RELEASE</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.blueskykong</groupId>
+
+    <artifactId>spring-boot-async</artifactId>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.16.20</version>
+            <scope>provided</scope>
+        </dependency>
+
+  <!--      <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>-->
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

pom.xml

@@ -0,0 +1,37 @@
+package com.blueskykong.samples.async;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadPoolExecutor;
+
+@SpringBootApplication
+@EnableAsync
+public class AsyncApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(AsyncApplication.class, args);
+    }
+
+    @Configuration
+    class TaskPoolConfig {
+
+        @Bean("taskExecutor")
+        public Executor taskExecutor() {
+            ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
+            executor.setCorePoolSize(10);
+            executor.setMaxPoolSize(20);
+            executor.setQueueCapacity(200);
+            executor.setKeepAliveSeconds(60);
+            executor.setThreadNamePrefix("taskExecutor-");
+            executor.setWaitForTasksToCompleteOnShutdown(true);
+            executor.setAwaitTerminationSeconds(60);
+            executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
+            return executor;
+        }
+    }
+}

spring-boot-async/pom.xml

@@ -0,0 +1,48 @@
+package com.blueskykong.samples.async.service;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.scheduling.annotation.AsyncResult;
+import org.springframework.stereotype.Component;
+
+import java.util.Random;
+import java.util.concurrent.Future;
+
+/**
+ * @author keets
+ * @data 2018/4/4.
+ */
+@Component
+@Slf4j
+public class TaskService {
+
+    @Async("taskExecutor")
+    public Future<String> doTaskOne() throws Exception {
+        log.info("开始做任务一");
+        long start = System.currentTimeMillis();
+        Thread.sleep((long) (Math.random() * 1000));
+        long end = System.currentTimeMillis();
+        log.info("完成任务一，耗时：" + (end - start) + "毫秒");
+        return new AsyncResult<>("任务一完成");
+    }
+
+    @Async("taskExecutor")
+    public Future<String> doTaskTwo() throws Exception {
+        log.info("开始做任务二");
+        long start = System.currentTimeMillis();
+        Thread.sleep((long) (Math.random() * 10000));
+        long end = System.currentTimeMillis();
+        log.info("完成任务二，耗时：" + (end - start) + "毫秒");
+        return new AsyncResult<>("任务二完成");
+    }
+
+    @Async("taskExecutor")
+    public Future<String> doTaskThree() throws Exception {
+        log.info("开始做任务三");
+        long start = System.currentTimeMillis();
+        Thread.sleep((long) (Math.random() * 10000));
+        long end = System.currentTimeMillis();
+        log.info("完成任务三，耗时：" + (end - start) + "毫秒");
+        return new AsyncResult<>("任务三完成");
+    }
+}

spring-boot-async/src/main/java/com/blueskykong/samples/async/AsyncApplication.java

@@ -0,0 +1,3 @@
+spring.redis.pool:
+  max-wait: 5000
+  max-active: 10

spring-boot-async/src/main/java/com/blueskykong/samples/async/service/TaskService.java

@@ -0,0 +1,67 @@
+package com.blueskykong.samples.async;
+
+import com.blueskykong.samples.async.service.TaskService;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@Slf4j
+public class AsyncApplicationTest {
+
+    @Autowired
+    private TaskService taskService;
+
+    @Test
+    public void test() throws Exception {
+
+        long start = System.currentTimeMillis();
+
+        Thread t1 = new Thread(() ->callThread());
+        t1.start();
+
+        long end = System.currentTimeMillis();
+        log.info(Thread.currentThread().getName());
+        t1.join();
+
+        log.info("任务全部完成，总耗时：" + (end - start) + "毫秒");
+
+    }
+
+    private void callThread() {
+        try {
+            long start = System.currentTimeMillis();
+
+            Future<String> task1 = taskService.doTaskOne();
+            Future<String> task2 = taskService.doTaskTwo();
+            Future<String> task3 = taskService.doTaskThree();
+
+
+            while (true) {
+
+                if (task1.isDone() && task2.isDone() && task3.isDone()) {
+                    String a = task1.get(100000, TimeUnit.MILLISECONDS);
+                    log.info(a);
+                    log.info("任务一完成，总耗时：" + (System.currentTimeMillis() - start) + "毫秒");
+                    Thread.sleep(1000);
+
+                    break;
+                }
+//            Thread.sleep(1000);
+            }
+        } catch (Exception e) {
+
+        }
+
+    }
+
+}