SpringBoot实现自定义线程池的方法
作者:huayang183
1. 自定义线程池
1.1 修改application.properties
task.pool.corePoolSize=20task.pool.maxPoolSize=40task.pool.keepAliveSeconds=300task.pool.queueCapacity=50
1.2 线程池配置属性类TaskThreadPoolConfig .java
import org.springframework.boot.context.properties.ConfigurationProperties; /** * 线程池配置属性类 * Created by Fant.J. */ @ConfigurationProperties(prefix = "task.pool") public class TaskThreadPoolConfig { private int corePoolSize; private int maxPoolSize; private int keepAliveSeconds; private int queueCapacity; ...getter and setter methods... }
1.3 创建线程池 TaskExecutePool .java
/** * 创建线程池 * Created by Fant.J. */ @Configuration @EnableAsync public class TaskExecutePool { @Autowired private TaskThreadPoolConfig config; @Bean public Executor myTaskAsyncPool() { ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); //核心线程池大小 executor.setCorePoolSize(config.getCorePoolSize()); //最大线程数 executor.setMaxPoolSize(config.getMaxPoolSize()); //队列容量 executor.setQueueCapacity(config.getQueueCapacity()); //活跃时间 executor.setKeepAliveSeconds(config.getKeepAliveSeconds()); //线程名字前缀 executor.setThreadNamePrefix("MyExecutor-"); // setRejectedExecutionHandler:当pool已经达到max size的时候,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 executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy()); executor.initialize(); return executor; } }
1.4 创建线程任务
/** * Created by Fant.J. */ @Component public class AsyncTask { protected final Logger logger = LoggerFactory.getLogger(this.getClass()); @Async("myTaskAsyncPool") //myTaskAsynPool即配置线程池的方法名,此处如果不写自定义线程池的方法名,会使用默认的线程池 public void doTask1(int i) throws InterruptedException{ logger.info("Task"+i+" started."); } }
1.5 修改启动类
给启动类添加注解
@EnableAsync @EnableConfigurationProperties({TaskThreadPoolConfig.class} ) // 开启配置属性支持
1.6 测试
protected final Logger logger = LoggerFactory.getLogger(this.getClass()); @Autowired private AsyncTask asyncTask; @Test public void AsyncTaskTest() throws InterruptedException, ExecutionException { for (int i = 0; i < 100; i++) { asyncTask.doTask1(i); } logger.info("All tasks finished."); }
2. 配置默认的线程池
我本人喜欢用这种方式的线程池,因为上面的那个线程池使用时候总要加注解@Async("myTaskAsyncPool")
,而这种重写spring默认线程池的方式使用的时候,只需要加@Async
注解就可以,不用去声明线程池类。
2.1 获取属性配置类
这个和上面的TaskThreadPoolConfig类相同,这里不重复
2.2 NativeAsyncTaskExecutePool.java 装配线程池
/** * 原生(Spring)异步任务线程池装配类 * Created by Fant.J. */ @Slf4j @Configuration public class NativeAsyncTaskExecutePool implements AsyncConfigurer{ //注入配置类 @Autowired TaskThreadPoolConfig config; @Override public Executor getAsyncExecutor() { ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); //核心线程池大小 executor.setCorePoolSize(config.getCorePoolSize()); //最大线程数 executor.setMaxPoolSize(config.getMaxPoolSize()); //队列容量 executor.setQueueCapacity(config.getQueueCapacity()); //活跃时间 executor.setKeepAliveSeconds(config.getKeepAliveSeconds()); //线程名字前缀 executor.setThreadNamePrefix("MyExecutor-"); // setRejectedExecutionHandler:当pool已经达到max size的时候,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 executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy()); executor.initialize(); return executor; } /** * 异步任务中异常处理 * @return */ @Override public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() { return new AsyncUncaughtExceptionHandler() { @Override public void handleUncaughtException(Throwable arg0, Method arg1, Object... arg2) { log.error("=========================="+arg0.getMessage()+"=======================", arg0); log.error("exception method:"+arg1.getName()); } }; } }
2.3 线程任务类AsyncTask .java
@Component public class AsyncTask { protected final Logger logger = LoggerFactory.getLogger(this.getClass()); @Async public void doTask2(int i) throws InterruptedException{ logger.info("Task2-Native"+i+" started."); } }
2.4 测试
@Test public void AsyncTaskNativeTest() throws InterruptedException, ExecutionException { for (int i = 0; i < 100; i++) { asyncTask.doTask2(i); } logger.info("All tasks finished."); }
2018-03-25 21:23:07.655 INFO 4668 --- [ MyExecutor-8] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native6 started.
2018-03-25 21:23:07.655 INFO 4668 --- [ MyExecutor-3] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native1 started.
2018-03-25 21:23:07.655 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native7 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native21 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native22 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native23 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native24 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native25 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native26 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native27 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native28 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native29 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native30 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native31 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native32 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native33 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native34 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native35 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native36 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native37 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native38 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native39 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native40 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native41 started.
2018-03-25 21:23:07.657 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native42 started.
2018-03-25 21:23:07.657 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native43 started.
2018-03-25 21:23:07.657 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native44 started.
2018-03-25 21:23:07.657 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native45 started.
2018-03-25 21:23:07.657 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native46 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native47 started.
2018-03-25 21:23:07.655 INFO 4668 --- [ MyExecutor-7] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native5 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-7] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native49 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-7] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native50 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-11] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native9 started.
2018-03-25 21:23:07.655 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native4 started.
2018-03-25 21:23:07.659 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native53 started.
2018-03-25 21:23:07.659 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native54 started.
2018-03-25 21:23:07.659 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native55 started.
2018-03-25 21:23:07.659 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native56 started.
2018-03-25 21:23:07.659 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native57 started.
2018-03-25 21:23:07.659 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native58 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native59 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native60 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native61 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native62 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native63 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native64 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native65 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native66 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native67 started.
2018-03-25 21:23:07.660 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native68 started.
2018-03-25 21:23:07.655 INFO 4668 --- [ MyExecutor-5] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native3 started.
2018-03-25 21:23:07.655 INFO 4668 --- [ MyExecutor-4] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native2 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-8] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native19 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-2] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native0 started.
2018-03-25 21:23:07.656 INFO 4668 --- [ MyExecutor-3] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native20 started.
2018-03-25 21:23:07.657 INFO 4668 --- [ MyExecutor-10] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native8 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native48 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-7] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native51 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-11] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native52 started.
2018-03-25 21:23:07.658 INFO 4668 --- [ MyExecutor-12] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native10 started.
2018-03-25 21:23:07.661 INFO 4668 --- [ MyExecutor-13] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native11 started.
2018-03-25 21:23:07.662 INFO 4668 --- [ MyExecutor-14] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native12 started.
2018-03-25 21:23:07.662 INFO 4668 --- [ MyExecutor-15] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native13 started.
2018-03-25 21:23:07.663 INFO 4668 --- [ MyExecutor-16] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native14 started.
2018-03-25 21:23:07.663 INFO 4668 --- [ MyExecutor-17] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native15 started.
2018-03-25 21:23:07.663 INFO 4668 --- [ MyExecutor-18] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native16 started.
2018-03-25 21:23:07.663 INFO 4668 --- [ MyExecutor-19] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native17 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-20] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native18 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-21] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native69 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ main] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native89 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-6] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native90 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-22] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native70 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-5] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native91 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-5] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native92 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-8] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native93 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-2] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native94 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-10] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native95 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-3] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native96 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-7] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native98 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-9] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native97 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ MyExecutor-11] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native99 started.
2018-03-25 21:23:07.664 INFO 4668 --- [ main] com.laojiao.securitydemo.ControllerTest : All tasks finished.
2018-03-25 21:23:07.666 INFO 4668 --- [ MyExecutor-23] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native71 started.
2018-03-25 21:23:07.667 INFO 4668 --- [ MyExecutor-24] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native72 started.
2018-03-25 21:23:07.667 INFO 4668 --- [ MyExecutor-25] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native73 started.
2018-03-25 21:23:07.669 INFO 4668 --- [ MyExecutor-26] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native74 started.
2018-03-25 21:23:07.669 INFO 4668 --- [ MyExecutor-27] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native75 started.
2018-03-25 21:23:07.673 INFO 4668 --- [ MyExecutor-28] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native76 started.
2018-03-25 21:23:07.674 INFO 4668 --- [ MyExecutor-29] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native77 started.
2018-03-25 21:23:07.674 INFO 4668 --- [ MyExecutor-30] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native78 started.
2018-03-25 21:23:07.676 INFO 4668 --- [ MyExecutor-31] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native79 started.
2018-03-25 21:23:07.677 INFO 4668 --- [ MyExecutor-32] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native80 started.
2018-03-25 21:23:07.677 INFO 4668 --- [ MyExecutor-33] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native81 started.
2018-03-25 21:23:07.677 INFO 4668 --- [ MyExecutor-34] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native82 started.
2018-03-25 21:23:07.678 INFO 4668 --- [ MyExecutor-35] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native83 started.
2018-03-25 21:23:07.679 INFO 4668 --- [ MyExecutor-36] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native84 started.
2018-03-25 21:23:07.679 INFO 4668 --- [ MyExecutor-37] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native85 started.
2018-03-25 21:23:07.679 INFO 4668 --- [ MyExecutor-38] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native86 started.
2018-03-25 21:23:07.680 INFO 4668 --- [ MyExecutor-39] c.l.securitydemo.mythreadpool.AsyncTask : Task2-Native87 started.
2018-03-25 21:23:07.680 INFO 4668 --- [ MyExecutor-40] c.l.securitydemo.mythreadpool.AsyncTas
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