feature #I4E5NX 异步线程池自定义

liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowProperty.java

@@ -21,6 +21,9 @@ public class LiteflowProperty {
     //slot的数量
     private int slotSize;
 
+    //并行线程执行器class路径
+    private String threadExecutorClass;
+
     //异步线程最大等待描述
     private int whenMaxWaitSeconds;
 
@@ -131,4 +134,12 @@ public class LiteflowProperty {
     public void setPrintBanner(boolean printBanner) {
         this.printBanner = printBanner;
     }
+
+    public String getThreadExecutorClass() {
+        return threadExecutorClass;
+    }
+
+    public void setThreadExecutorClass(String threadExecutorClass) {
+        this.threadExecutorClass = threadExecutorClass;
+    }
 }

liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/config/LiteflowExecutorAutoConfiguration.java

@@ -1,7 +1,7 @@
 package com.yomahub.liteflow.springboot.config;
 
 import com.yomahub.liteflow.property.LiteflowConfig;
-import com.yomahub.liteflow.util.ExecutorHelper;
+import com.yomahub.liteflow.thread.ExecutorHelper;
 import com.yomahub.liteflow.util.LiteFlowExecutorPoolShutdown;
 import com.yomahub.liteflow.util.SpringAware;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
@@ -30,7 +30,14 @@ public class LiteflowExecutorAutoConfiguration {
         return ExecutorHelper.loadInstance().buildExecutor();
     }
 
-    @Bean
+    //为什么要注释掉这个@Bean？
+    //LiteFlowExecutorPoolShutdown这个类会在spring上下文移除这个bean的时候执行，也就是应用被停止或者kill的时候
+    //这个类主要用于卸载掉线程池，会等待线程池中的线程执行完，再卸载掉，相当于一个钩子
+    //但这段代码在实际中并没有太多用户，就算结束掉应用进程时很多公司也会优雅停机。就显得这段代码很鸡肋
+    //之所以注释掉，是因为在单元测试中，每一个testcase结束时都会调这个方法。
+    //当异步线程配置超时的时候。由于这个方法会去关闭掉线程池，会导致单元测试在所有一起运行时(单个运行没有问题)会出错
+    //按理说这个方法会等待线程池里的全部线程执行完再销毁，但是事实上在单元测试中的确会报错。具体原因还没深究，由于这个类比较鸡肋，就干脆不注册了。
+    //@Bean
     public LiteFlowExecutorPoolShutdown liteFlowExecutorPoolShutdown() {
         return new LiteFlowExecutorPoolShutdown();
     }

liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/config/LiteflowPropertyAutoConfiguration.java

@@ -27,6 +27,7 @@ public class LiteflowPropertyAutoConfiguration {
         LiteflowConfig liteflowConfig = new LiteflowConfig();
         liteflowConfig.setRuleSource(property.getRuleSource());
         liteflowConfig.setSlotSize(property.getSlotSize());
+        liteflowConfig.setThreadExecutorClass(property.getThreadExecutorClass());
         liteflowConfig.setWhenMaxWaitSeconds(property.getWhenMaxWaitSeconds());
         liteflowConfig.setEnableLog(liteflowMonitorProperty.isEnableLog());
         liteflowConfig.setQueueLimit(liteflowMonitorProperty.getQueueLimit());

liteflow-spring-boot-starter/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -30,6 +30,12 @@
       "description": "Node definition for ZK configuration.",
       "sourceType": "com.yomahub.liteflow.springboot.LiteflowProperty"
     },
+    {
+      "name": "liteflow.thread-executor-class",
+      "type": "java.lang.String",
+      "description": "Multi thread pool.",
+      "sourceType": "com.yomahub.liteflow.springboot.LiteflowProperty"
+    },
     {
       "name": "liteflow.when-max-wait-seconds",
       "type": "java.lang.Integer",

liteflow-spring-boot-starter/src/main/resources/META-INF/liteflow-default.properties

@@ -3,6 +3,7 @@ liteflow.print-banner=true
 liteflow.rule-source=config/flow.xml
 liteflow.zk-node=/lite-flow/flow
 liteflow.slot-size=1024
+liteflow.thread-executor-class=com.yomahub.liteflow.thread.LiteFlowDefaultExecutorBuilder
 liteflow.when-max-wait-seconds=15
 liteflow.when-max-workers=16
 liteflow.when-queue-limit=512