DataBus.init()多次被调用，不够优雅，改到放在初始化LiteFlowExecutor里去执行

liteflow-core/src/main/java/com/yomahub/liteflow/builder/LiteFlowChainBuilder.java

@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.builder;
 
 import cn.hutool.core.collection.CollectionUtil;
+import com.yomahub.liteflow.entity.data.DataBus;
 import com.yomahub.liteflow.entity.flow.*;
 import com.yomahub.liteflow.enums.ConditionTypeEnum;
 import com.yomahub.liteflow.flow.FlowBus;

liteflow-core/src/main/java/com/yomahub/liteflow/builder/LiteFlowNodeBuilder.java

@@ -79,11 +79,6 @@ public class LiteFlowNodeBuilder {
     }
 
     public void build() {
-        //这里也是一个防御性编程
-        //如果单独用builder进行构建的话，那么flow.xml不一定存在，不存在则不会进行FlowExecutor的init，也就不会进行DataBus.init
-        //所以这里多加一步，DataBus.init()事实上只会执行一遍，不会因为之前执行了，重复执行。因为里面有判断
-        DataBus.init();
-
         try {
             if (this.node.getType().equals(NodeTypeEnum.COMMON)) {
                 FlowBus.addCommonNode(this.node.getId(), this.node.getName(), this.node.getClazz());

liteflow-core/src/main/java/com/yomahub/liteflow/core/FlowExecutor.java

@@ -61,6 +61,8 @@ public class FlowExecutor {
     private LiteflowConfig liteflowConfig;
 
     public FlowExecutor(){
+        //初始化DataBus
+        DataBus.init();
     }
 
     public FlowExecutor(LiteflowConfig liteflowConfig){
@@ -68,6 +70,8 @@ public class FlowExecutor {
         if (liteflowConfig.isParseOnStart()){
             this.init();
         }
+        //初始化DataBus
+        DataBus.init();
     }
 
     public static FlowExecutor loadInstance(LiteflowConfig liteflowConfig){
@@ -159,9 +163,6 @@ public class FlowExecutor {
                 throw new FlowExecutorNotInitException(errorMsg);
             }
         }
-
-        //初始化DataBus
-        DataBus.init();
     }
 
     /**

liteflow-core/src/main/java/com/yomahub/liteflow/flow/FlowBus.java

@@ -177,10 +177,5 @@ public class FlowBus {
         } else if (type.equals(FlowParserTypeEnum.TYPE_YML)) {
             new LocalYmlFlowParser().parse(content);
         }
-
-        //这里是一个防御性策略，在parse-on-start参数为false的时候
-        //启动时马上刷新流程规则，这时DataBus还未init，所以这时需要init一下
-        //在DataBus里对init有判断，所以init不会执行多遍
-        DataBus.init();
     }
 }