通常在分布式任务调度系统中会有这样的需求：一组actor提供相同的服务，我们在调用任务的时候只需要选择其中一个actor进行处理即可。 
其实这就是一个负载均衡或者说路由策略，akka作为一个高性能支持并发的actor模型，可以用来作为任务调度集群使用，当然负载均衡就是其本职工作了，akka提供了Router来进行消息的调度。

由于负载均衡原理过于简单，既不多说了，直接上代码(这里借用之前章节的InboxTest类)：

  1. import akka.actor.*;
  2. import akka.event.Logging;
  3. import akka.event.LoggingAdapter;
  4. import com.typesafe.config.ConfigFactory;
  5. import scala.concurrent.duration.Duration;
  6.  
  7. import java.util.concurrent.TimeUnit;
  8. import java.util.concurrent.TimeoutException;
  9.  
  10. /**
  11.  * Created by liubenlong on 2017/1/12.
  12.  */
  13. public class InboxTest extends UntypedActor {
  14.  
  15.     private final LoggingAdapter log = Logging.getLogger(getContext().system(), this);
  16.  
  17.     public enum Msg{
  18.         WORKING, DONE, CLOSE;
  19.     }
  20.  
  21.     @Override
  22.     public void onReceive(Object o) {
  23.         if(o == Msg.WORKING){
  24.             log.info("i am working.");
  25.         }else if(o == Msg.DONE){
  26.             log.info("i am done");
  27.         }else if(o == Msg.CLOSE){
  28.             log.info("i am close.");
  29.             getSender().tell(Msg.CLOSE, getSelf());//告诉消息发送者我要关闭了。
  30.             getContext().stop(getSelf());//关闭自己
  31.         }else{
  32.             unhandled(o);
  33.         }
  34.     }
  35.  
  36.     public static void main(String [] args){
  37.         ActorSystem system = ActorSystem.create("inbox", ConfigFactory.load("akka.conf"));
  38.         ActorRef inboxTest = system.actorOf(Props.create(InboxTest.class), "InboxTest");
  39.  
  40.         Inbox inbox = Inbox.create(system);
  41.         inbox.watch(inboxTest);//监听一个actor
  42.  
  43.         //通过inbox来发送消息
  44.         inbox.send(inboxTest, Msg.WORKING);
  45.         inbox.send(inboxTest, Msg.DONE);
  46.         inbox.send(inboxTest, Msg.CLOSE);
  47.  
  48.         while(true){
  49.             try {
  50.                 Object receive = inbox.receive(Duration.create(1, TimeUnit.SECONDS));
  51.                 if(receive == Msg.CLOSE){//收到的inbox的消息
  52.                     System.out.println("inboxTextActor is closing");
  53.                 }else if(receive instanceof  Terminated){//中断 ，和线程一个概念
  54.                     System.out.println("inboxTextActor is closed");
  55.                     system.shutdown();
  56.                     break;
  57.                 }else {
  58.                     System.out.println(receive);
  59.                 }
  60.             } catch (TimeoutException e) {
  61.                 e.printStackTrace();
  62.             }
  63.         }
  64.     }
  65. }
  1. import akka.actor.*;
  2. import akka.routing.*;
  3. import com.typesafe.config.ConfigFactory;
  4.  
  5. import java.util.ArrayList;
  6. import java.util.concurrent.atomic.AtomicBoolean;
  7.  
  8. public class RouterTest extends UntypedActor {
  9.  
  10.     public Router router;
  11.  
  12.     {
  13.         ArrayList<Routee> routees = new ArrayList<>();
  14.         for(int i = 0; i < 5; i ++) {
  15.             //借用上面的 inboxActor
  16.             ActorRef worker = getContext().actorOf(Props.create(InboxTest.class), "worker_" + i);
  17.             getContext().watch(worker);//监听
  18.             routees.add(new ActorRefRoutee(worker));
  19.         }
  20.         /**
  21.          * RoundRobinRoutingLogic: 轮询
  22.          * BroadcastRoutingLogic: 广播
  23.          * RandomRoutingLogic: 随机
  24.          * SmallestMailboxRoutingLogic: 空闲
  25.          */
  26.         router = new Router(new RoundRobinRoutingLogic(), routees);
  27.     }
  28.  
  29.     @Override
  30.     public void onReceive(Object o) {
  31.         if(o instanceof InboxTest.Msg){
  32.             router.route(o, getSender());//进行路由转发
  33.         }else if(o instanceof Terminated){
  34.             router = router.removeRoutee(((Terminated)o).actor());//发生中断，将该actor删除。当然这里可以参考之前的actor重启策略，进行优化，为了简单，这里仅进行删除处理
  35.             System.out.println(((Terminated)o).actor().path() + " 该actor已经删除。router.size=" + router.routees().size());
  36.  
  37.             if(router.routees().size() == 0){//没有可用actor了
  38.                 System.out.print("没有可用actor了，系统关闭。");
  39.                 flag.compareAndSet(true, false);
  40.                 getContext().system().shutdown();
  41.             }
  42.         }else {
  43.             unhandled(o);
  44.         }
  45.  
  46.     }
  47.  
  48.     public  static AtomicBoolean flag = new AtomicBoolean(true);
  49.  
  50.     public static void main(String[] args) throws InterruptedException {
  51.         ActorSystem system = ActorSystem.create("strategy", ConfigFactory.load("akka.config"));
  52.         ActorRef routerTest = system.actorOf(Props.create(RouterTest.class), "RouterTest");
  53.  
  54.         int i = 1;
  55.         while(flag.get()){
  56.             routerTest.tell(InboxTest.Msg.WORKING, ActorRef.noSender());
  57.  
  58.             if(i % 10 == 0) routerTest.tell(InboxTest.Msg.CLOSE, ActorRef.noSender());
  59.  
  60.             Thread.sleep(500);
  61.  
  62.             i ++;
  63.         }
  64.     }
  65. }

akka提供了几个RoutingLogic各位可以亲自尝试运行一下，看看效果。

运行结果：

  1. "D:\Program Files\Java\jdk1.8.0_111\bin\java" -Didea.launcher.port=7533 "-Didea.launcher.bin.path=D:\Program Files (x86)\ideaIU-2016.2.5\bin" -Dfile.encoding=UTF-8 -classpath "D:\Program Files\Java\jdk1.8.0_111\jre\lib\charsets.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\deploy.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\access-bridge-64.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\cldrdata.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\dnsns.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jaccess.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jfxrt.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\localedata.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\nashorn.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunec.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunjce_provider.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunmscapi.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunpkcs11.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\zipfs.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\javaws.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\jce.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\jfr.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\jfxswt.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\jsse.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\management-agent.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\plugin.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\resources.jar;D:\Program Files\Java\jdk1.8.0_111\jre\lib\rt.jar;D:\workspace_git_idea\luffi-master\luffi\target\test-classes;D:\workspace_git_idea\luffi-master\luffi\target\classes;D:\LocalRepository\commons-fileupload\commons-fileupload\1.3.2\commons-fileupload-1.3.2.jar;D:\LocalRepository\commons-io\commons-io\2.2\commons-io-2.2.jar;D:\LocalRepository\org\apache\httpcomponents\httpmime\4.3.1\httpmime-4.3.1.jar;D:\LocalRepository\org\apache\httpcomponents\httpclient\4.3.1\httpclient-4.3.1.jar;D:\LocalRepository\org\apache\httpcomponents\httpcore\4.3\httpcore-4.3.jar;D:\LocalRepository\commons-logging\commons-logging\1.1.3\commons-logging-1.1.3.jar;D:\LocalRepository\commons-codec\commons-codec\1.6\commons-codec-1.6.jar;D:\LocalRepository\com\alibaba\fastjson\1.2.17\fastjson-1.2.17.jar;D:\LocalRepository\com\letv\openapi\openapi-sdk-java\1.0.0-SNAPSHOT\openapi-sdk-java-1.0.0-20160721.094717-1.jar;D:\LocalRepository\org\slf4j\slf4j-api\1.7.5\slf4j-api-1.7.5.jar;D:\workspace_git_idea\luffi-master\luffi-api\target\classes;D:\workspace_git_idea\luffi-master\luffi-model\target\classes;D:\LocalRepository\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;D:\LocalRepository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;D:\LocalRepository\javax\el\javax.el-api\2.2.4\javax.el-api-2.2.4.jar;D:\LocalRepository\org\glassfish\web\javax.el\2.2.4\javax.el-2.2.4.jar;D:\LocalRepository\org\hibernate\hibernate-validator\5.2.4.Final\hibernate-validator-5.2.4.Final.jar;D:\LocalRepository\org\projectlombok\lombok-maven-plugin\1.12.2.0\lombok-maven-plugin-1.12.2.0.jar;D:\LocalRepository\com\github\pagehelper\pagehelper\4.1.1\pagehelper-4.1.1.jar;D:\LocalRepository\com\github\jsqlparser\jsqlparser\0.9.4\jsqlparser-0.9.4.jar;D:\LocalRepository\org\apache\thrift\libthrift\0.9.3\libthrift-0.9.3.jar;D:\LocalRepository\javax\servlet\javax.servlet-api\3.1.0\javax.servlet-api-3.1.0.jar;D:\LocalRepository\javax\ws\rs\javax.ws.rs-api\2.0.1\javax.ws.rs-api-2.0.1.jar;D:\LocalRepository\javax\annotation\javax.annotation-api\1.2\javax.annotation-api-1.2.jar;D:\workspace_git_idea\luffi-master\luffi-repository\target\classes;D:\LocalRepository\tk\mybatis\mapper\3.3.8\mapper-3.3.8.jar;D:\LocalRepository\javax\persistence\persistence-api\1.0\persistence-api-1.0.jar;D:\LocalRepository\org\mybatis\spring\boot\mybatis-spring-boot-starter\1.1.1\mybatis-spring-boot-starter-1.1.1.jar;D:\LocalRepository\org\mybatis\spring\boot\mybatis-spring-boot-autoconfigure\1.1.1\mybatis-spring-boot-autoconfigure-1.1.1.jar;D:\LocalRepository\org\mybatis\mybatis\3.4.0\mybatis-3.4.0.jar;D:\LocalRepository\org\mybatis\mybatis-spring\1.3.0\mybatis-spring-1.3.0.jar;D:\LocalRepository\org\springframework\boot\spring-boot\1.3.6.RELEASE\spring-boot-1.3.6.RELEASE.jar;D:\LocalRepository\org\springframework\boot\spring-boot-autoconfigure\1.3.6.RELEASE\spring-boot-autoconfigure-1.3.6.RELEASE.jar;D:\LocalRepository\org\springframework\boot\spring-boot-starter-jdbc\1.3.3.RELEASE\spring-boot-starter-jdbc-1.3.3.RELEASE.jar;D:\LocalRepository\org\springframework\boot\spring-boot-starter\1.3.6.RELEASE\spring-boot-starter-1.3.6.RELEASE.jar;D:\LocalRepository\org\apache\tomcat\tomcat-jdbc\8.0.32\tomcat-jdbc-8.0.32.jar;D:\LocalRepository\org\apache\tomcat\tomcat-juli\8.0.32\tomcat-juli-8.0.32.jar;D:\LocalRepository\org\springframework\spring-jdbc\4.2.5.RELEASE\spring-jdbc-4.2.5.RELEASE.jar;D:\LocalRepository\org\springframework\spring-beans\4.2.4.RELEASE\spring-beans-4.2.4.RELEASE.jar;D:\LocalRepository\org\springframework\spring-core\4.2.4.RELEASE\spring-core-4.2.4.RELEASE.jar;D:\LocalRepository\org\springframework\spring-tx\4.2.5.RELEASE\spring-tx-4.2.5.RELEASE.jar;D:\workspace_git_idea\luffi-master\luffi-common\target\classes;D:\LocalRepository\org\apache\zookeeper\zookeeper\3.4.8\zookeeper-3.4.8.jar;D:\LocalRepository\jline\jline\0.9.94\jline-0.9.94.jar;D:\LocalRepository\io\netty\netty\3.7.0.Final\netty-3.7.0.Final.jar;D:\LocalRepository\com\101tec\zkclient\0.9\zkclient-0.9.jar;D:\LocalRepository\log4j\log4j\1.2.15\log4j-1.2.15.jar;D:\LocalRepository\javax\mail\mail\1.4\mail-1.4.jar;D:\LocalRepository\javax\activation\activation\1.1\activation-1.1.jar;D:\LocalRepository\com\alibaba\dubbo\2.8.4.lehi\dubbo-2.8.4.lehi.jar;D:\LocalRepository\org\springframework\spring-context\4.2.4.RELEASE\spring-context-4.2.4.RELEASE.jar;D:\LocalRepository\org\springframework\spring-aop\4.2.4.RELEASE\spring-aop-4.2.4.RELEASE.jar;D:\LocalRepository\org\springframework\spring-expression\4.2.4.RELEASE\spring-expression-4.2.4.RELEASE.jar;D:\LocalRepository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;D:\LocalRepository\org\apache\logging\log4j\log4j-core\2.5\log4j-core-2.5.jar;D:\LocalRepository\org\apache\logging\log4j\log4j-api\2.5\log4j-api-2.5.jar;D:\LocalRepository\org\javassist\javassist\3.15.0-GA\javassist-3.15.0-GA.jar;D:\LocalRepository\org\springframework\spring-web\4.2.4.RELEASE\spring-web-4.2.4.RELEASE.jar;D:\LocalRepository\commons-lang\commons-lang\2.6\commons-lang-2.6.jar;D:\LocalRepository\commons-pool\commons-pool\1.6\commons-pool-1.6.jar;D:\LocalRepository\org\apache\curator\curator-framework\2.5.0\curator-framework-2.5.0.jar;D:\LocalRepository\org\apache\curator\curator-client\2.5.0\curator-client-2.5.0.jar;D:\LocalRepository\com\google\guava\guava\16.0.1\guava-16.0.1.jar;D:\LocalRepository\org\yaml\snakeyaml\1.16\snakeyaml-1.16.jar;D:\LocalRepository\org\springframework\boot\spring-boot-starter-web\1.3.6.RELEASE\spring-boot-starter-web-1.3.6.RELEASE.jar;D:\LocalRepository\org\springframework\boot\spring-boot-starter-validation\1.3.6.RELEASE\spring-boot-starter-validation-1.3.6.RELEASE.jar;D:\LocalRepository\org\apache\tomcat\embed\tomcat-embed-el\8.0.36\tomcat-embed-el-8.0.36.jar;D:\LocalRepository\com\fasterxml\jackson\core\jackson-databind\2.6.7\jackson-databind-2.6.7.jar;D:\LocalRepository\com\fasterxml\jackson\core\jackson-annotations\2.6.0\jackson-annotations-2.6.0.jar;D:\LocalRepository\com\fasterxml\jackson\core\jackson-core\2.6.7\jackson-core-2.6.7.jar;D:\LocalRepository\org\springframework\spring-webmvc\4.2.7.RELEASE\spring-webmvc-4.2.7.RELEASE.jar;D:\LocalRepository\org\springframework\boot\spring-boot-starter-log4j2\1.3.6.RELEASE\spring-boot-starter-log4j2-1.3.6.RELEASE.jar;D:\LocalRepository\org\apache\logging\log4j\log4j-slf4j-impl\2.4.1\log4j-slf4j-impl-2.4.1.jar;D:\LocalRepository\org\slf4j\jcl-over-slf4j\1.7.21\jcl-over-slf4j-1.7.21.jar;D:\LocalRepository\org\slf4j\jul-to-slf4j\1.7.21\jul-to-slf4j-1.7.21.jar;D:\LocalRepository\mysql\mysql-connector-java\5.1.39\mysql-connector-java-5.1.39.jar;D:\LocalRepository\org\jboss\logging\jboss-logging\3.2.1.Final\jboss-logging-3.2.1.Final.jar;D:\LocalRepository\com\fasterxml\classmate\1.1.0\classmate-1.1.0.jar;D:\LocalRepository\org\jboss\resteasy\resteasy-jaxrs\3.0.9.Final\resteasy-jaxrs-3.0.9.Final.jar;D:\LocalRepository\org\jboss\resteasy\jaxrs-api\3.0.9.Final\jaxrs-api-3.0.9.Final.jar;D:\LocalRepository\org\jboss\spec\javax\annotation\jboss-annotations-api_1.1_spec\1.0.1.Final\jboss-annotations-api_1.1_spec-1.0.1.Final.jar;D:\LocalRepository\net\jcip\jcip-annotations\1.0\jcip-annotations-1.0.jar;D:\LocalRepository\org\jboss\resteasy\resteasy-client\3.0.9.Final\resteasy-client-3.0.9.Final.jar;D:\LocalRepository\org\jboss\resteasy\resteasy-netty\3.0.14.Final\resteasy-netty-3.0.14.Final.jar;D:\LocalRepository\org\jboss\resteasy\resteasy-jdk-http\3.0.14.Final\resteasy-jdk-http-3.0.14.Final.jar;D:\LocalRepository\org\jboss\resteasy\resteasy-jackson-provider\3.0.14.Final\resteasy-jackson-provider-3.0.14.Final.jar;D:\LocalRepository\org\codehaus\jackson\jackson-core-asl\1.9.12\jackson-core-asl-1.9.12.jar;D:\LocalRepository\org\codehaus\jackson\jackson-mapper-asl\1.9.12\jackson-mapper-asl-1.9.12.jar;D:\LocalRepository\org\codehaus\jackson\jackson-jaxrs\1.9.12\jackson-jaxrs-1.9.12.jar;D:\LocalRepository\org\codehaus\jackson\jackson-xc\1.9.12\jackson-xc-1.9.12.jar;D:\LocalRepository\org\jboss\resteasy\resteasy-jaxb-provider\3.0.16.Final\resteasy-jaxb-provider-3.0.16.Final.jar;D:\LocalRepository\com\sun\xml\bind\jaxb-impl\2.2.7\jaxb-impl-2.2.7.jar;D:\LocalRepository\com\sun\xml\bind\jaxb-core\2.2.7\jaxb-core-2.2.7.jar;D:\LocalRepository\javax\xml\bind\jaxb-api\2.2.7\jaxb-api-2.2.7.jar;D:\LocalRepository\com\sun\istack\istack-commons-runtime\2.16\istack-commons-runtime-2.16.jar;D:\LocalRepository\com\sun\xml\fastinfoset\FastInfoset\1.2.12\FastInfoset-1.2.12.jar;D:\LocalRepository\javax\xml\bind\jsr173_api\1.0\jsr173_api-1.0.jar;D:\LocalRepository\org\apache\tomcat\embed\tomcat-embed-core\8.0.11\tomcat-embed-core-8.0.11.jar;D:\LocalRepository\org\apache\tomcat\embed\tomcat-embed-logging-juli\8.0.11\tomcat-embed-logging-juli-8.0.11.jar;D:\LocalRepository\junit\junit\4.12\junit-4.12.jar;D:\LocalRepository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;D:\LocalRepository\org\springframework\spring-test\4.2.4.RELEASE\spring-test-4.2.4.RELEASE.jar;D:\LocalRepository\redis\clients\jedis\2.9.0\jedis-2.9.0.jar;D:\LocalRepository\org\apache\commons\commons-pool2\2.4.2\commons-pool2-2.4.2.jar;D:\LocalRepository\org\springframework\spring-context-support\4.2.4.RELEASE\spring-context-support-4.2.4.RELEASE.jar;D:\LocalRepository\org\quartz-scheduler\quartz\2.2.3\quartz-2.2.3.jar;D:\LocalRepository\c3p0\c3p0\0.9.1.1\c3p0-0.9.1.1.jar;D:\LocalRepository\com\typesafe\akka\akka-actor_2.11\2.4.14\akka-actor_2.11-2.4.14.jar;D:\LocalRepository\org\scala-lang\scala-library\2.11.8\scala-library-2.11.8.jar;D:\LocalRepository\com\typesafe\config\1.3.0\config-1.3.0.jar;D:\LocalRepository\org\scala-lang\modules\scala-java8-compat_2.11\0.7.0\scala-java8-compat_2.11-0.7.0.jar;D:\LocalRepository\org\apache\maven\maven-plugin-api\3.0.4\maven-plugin-api-3.0.4.jar;D:\LocalRepository\org\apache\maven\maven-model\3.0.4\maven-model-3.0.4.jar;D:\LocalRepository\org\codehaus\plexus\plexus-utils\2.0.6\plexus-utils-2.0.6.jar;D:\LocalRepository\org\apache\maven\maven-artifact\3.0.4\maven-artifact-3.0.4.jar;D:\LocalRepository\org\sonatype\sisu\sisu-inject-plexus\2.3.0\sisu-inject-plexus-2.3.0.jar;D:\LocalRepository\org\codehaus\plexus\plexus-component-annotations\1.5.5\plexus-component-annotations-1.5.5.jar;D:\LocalRepository\org\codehaus\plexus\plexus-classworlds\2.4\plexus-classworlds-2.4.jar;D:\LocalRepository\org\sonatype\sisu\sisu-inject-bean\2.3.0\sisu-inject-bean-2.3.0.jar;D:\LocalRepository\org\sonatype\sisu\sisu-guice\3.1.0\sisu-guice-3.1.0-no_aop.jar;D:\LocalRepository\org\sonatype\sisu\sisu-guava\0.9.9\sisu-guava-0.9.9.jar;D:\LocalRepository\org\projectlombok\lombok\1.12.2\lombok-1.12.2.jar;D:\Program Files (x86)\ideaIU-2016.2.5\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain akka.router.RouterTest
  2. [INFO] [01/16/2017 14:46:44.010] [strategy-akka.actor.default-dispatcher-6] [akka://strategy/user/RouterTest/worker_0] i am working.
  3. [INFO] [01/16/2017 14:46:44.481] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_1] i am working.
  4. [INFO] [01/16/2017 14:46:44.981] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_2] i am working.
  5. [INFO] [01/16/2017 14:46:45.481] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_3] i am working.
  6. [INFO] [01/16/2017 14:46:45.981] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_4] i am working.
  7. [INFO] [01/16/2017 14:46:46.514] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_0] i am working.
  8. [INFO] [01/16/2017 14:46:47.021] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_1] i am working.
  9. [INFO] [01/16/2017 14:46:47.492] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_2] i am working.
  10. [INFO] [01/16/2017 14:46:47.992] [strategy-akka.actor.default-dispatcher-10] [akka://strategy/user/RouterTest/worker_3] i am working.
  11. [INFO] [01/16/2017 14:46:48.492] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_4] i am working.
  12. [INFO] [01/16/2017 14:46:48.492] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_0] i am close.
  13. [INFO] [01/16/2017 14:46:48.502] [strategy-akka.actor.default-dispatcher-10] [akka://strategy/deadLetters] Message [akka.iInbox.InboxTest$Msg] from Actor[akka://strategy/user/RouterTest/worker_0#-492254864] to Actor[akka://strategy/deadLetters] was not delivered. [1] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
  14. akka://strategy/user/RouterTest/worker_0 该actor已经删除。router.size=4
  15. [INFO] [01/16/2017 14:46:48.992] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_4] i am working.
  16. [INFO] [01/16/2017 14:46:49.507] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_1] i am working.
  17. [INFO] [01/16/2017 14:46:50.035] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_2] i am working.
  18. [INFO] [01/16/2017 14:46:50.507] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_3] i am working.
  19. [INFO] [01/16/2017 14:46:51.007] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_4] i am working.
  20. [INFO] [01/16/2017 14:46:51.507] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_1] i am working.
  21. [INFO] [01/16/2017 14:46:52.011] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_2] i am working.
  22. [INFO] [01/16/2017 14:46:52.536] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_3] i am working.
  23. [INFO] [01/16/2017 14:46:53.036] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_4] i am working.
  24. akka://strategy/user/RouterTest/worker_2 该actor已经删除。router.size=3
  25. [INFO] [01/16/2017 14:46:53.522] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/user/RouterTest/worker_2] i am close.
  26. [INFO] [01/16/2017 14:46:53.522] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_1] i am working.
  27. [INFO] [01/16/2017 14:46:53.522] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/deadLetters] Message [akka.iInbox.InboxTest$Msg] from Actor[akka://strategy/user/RouterTest/worker_2#519939307] to Actor[akka://strategy/deadLetters] was not delivered. [2] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
  28. [INFO] [01/16/2017 14:46:54.022] [strategy-akka.actor.default-dispatcher-10] [akka://strategy/user/RouterTest/worker_3] i am working.
  29. [INFO] [01/16/2017 14:46:54.522] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_4] i am working.
  30. [INFO] [01/16/2017 14:46:55.022] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_1] i am working.
  31. [INFO] [01/16/2017 14:46:55.522] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_3] i am working.
  32. [INFO] [01/16/2017 14:46:56.022] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_4] i am working.
  33. [INFO] [01/16/2017 14:46:56.522] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_1] i am working.
  34. [INFO] [01/16/2017 14:46:57.023] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_3] i am working.
  35. [INFO] [01/16/2017 14:46:57.523] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_4] i am working.
  36. [INFO] [01/16/2017 14:46:58.023] [strategy-akka.actor.default-dispatcher-7] [akka://strategy/user/RouterTest/worker_1] i am working.
  37. [INFO] [01/16/2017 14:46:58.566] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_3] i am working.
  38. [INFO] [01/16/2017 14:46:58.566] [strategy-akka.actor.default-dispatcher-10] [akka://strategy/user/RouterTest/worker_4] i am close.
  39. akka://strategy/user/RouterTest/worker_4 该actor已经删除。router.size=2
  40. [INFO] [01/16/2017 14:46:58.566] [strategy-akka.actor.default-dispatcher-10] [akka://strategy/deadLetters] Message [akka.iInbox.InboxTest$Msg] from Actor[akka://strategy/user/RouterTest/worker_4#50964955] to Actor[akka://strategy/deadLetters] was not delivered. [3] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
  41. [INFO] [01/16/2017 14:46:59.076] [strategy-akka.actor.default-dispatcher-4] [akka://strategy/user/RouterTest/worker_3] i am working.
  42. [INFO] [01/16/2017 14:46:59.547] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_1] i am working.
  43. [INFO] [01/16/2017 14:47:00.047] [strategy-akka.actor.default-dispatcher-4] [akka://strategy/user/RouterTest/worker_3] i am working.
  44. [INFO] [01/16/2017 14:47:00.547] [strategy-akka.actor.default-dispatcher-4] [akka://strategy/user/RouterTest/worker_1] i am working.
  45. [INFO] [01/16/2017 14:47:01.047] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_3] i am working.
  46. [INFO] [01/16/2017 14:47:01.582] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_1] i am working.
  47. [INFO] [01/16/2017 14:47:02.091] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_3] i am working.
  48. [INFO] [01/16/2017 14:47:02.562] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_1] i am working.
  49. [INFO] [01/16/2017 14:47:03.062] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_3] i am working.
  50. akka://strategy/user/RouterTest/worker_3 该actor已经删除。router.size=1
  51. [INFO] [01/16/2017 14:47:03.562] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_1] i am working.
  52. [INFO] [01/16/2017 14:47:03.562] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/user/RouterTest/worker_3] i am close.
  53. [INFO] [01/16/2017 14:47:03.563] [strategy-akka.actor.default-dispatcher-3] [akka://strategy/deadLetters] Message [akka.iInbox.InboxTest$Msg] from Actor[akka://strategy/user/RouterTest/worker_3#-667250877] to Actor[akka://strategy/deadLetters] was not delivered. [4] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
  54. [INFO] [01/16/2017 14:47:04.062] [strategy-akka.actor.default-dispatcher-10] [akka://strategy/user/RouterTest/worker_1] i am working.
  55. [INFO] [01/16/2017 14:47:04.597] [strategy-akka.actor.default-dispatcher-10] [akka://strategy/user/RouterTest/worker_1] i am working.
  56. [INFO] [01/16/2017 14:47:05.099] [strategy-akka.actor.default-dispatcher-4] [akka://strategy/user/RouterTest/worker_1] i am working.
  57. [INFO] [01/16/2017 14:47:05.570] [strategy-akka.actor.default-dispatcher-4] [akka://strategy/user/RouterTest/worker_1] i am working.
  58. [INFO] [01/16/2017 14:47:06.070] [strategy-akka.actor.default-dispatcher-4] [akka://strategy/user/RouterTest/worker_1] i am working.
  59. [INFO] [01/16/2017 14:47:06.570] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_1] i am working.
  60. [INFO] [01/16/2017 14:47:07.070] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_1] i am working.
  61. [INFO] [01/16/2017 14:47:07.611] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_1] i am working.
  62. [INFO] [01/16/2017 14:47:08.112] [strategy-akka.actor.default-dispatcher-4] [akka://strategy/user/RouterTest/worker_1] i am working.
  63. [INFO] [01/16/2017 14:47:08.583] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_1] i am working.
  64. [INFO] [01/16/2017 14:47:08.583] [strategy-akka.actor.default-dispatcher-5] [akka://strategy/user/RouterTest/worker_1] i am close.
  65. [INFO] [01/16/2017 14:47:08.585] [strategy-akka.actor.default-dispatcher-9] [akka://strategy/deadLetters] Message [akka.iInbox.InboxTest$Msg] from Actor[akka://strategy/user/RouterTest/worker_1#255839262] to Actor[akka://strategy/deadLetters] was not delivered. [5] dead letters encountered. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
  66. akka://strategy/user/RouterTest/worker_1 该actor已经删除。router.size=0
  67. 没有可用actor了，系统关闭。
  68. Process finished with exit code 0

原文地址：http://blog.csdn.net/liubenlong007/article/details/54574064

　

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