feature #I44FT8 支持脚本语言的组件，并支持动态刷新脚本(版本特性)

liteflow-script-common/src/main/java/com/yomahub/liteflow/script/ScriptExecutor.java

@@ -0,0 +1,15 @@
+package com.yomahub.liteflow.script;
+
+/**
+ * 脚本执行器
+ * @author Bryan.Zhang
+ * @since 2.5.11
+ */
+public interface ScriptExecutor {
+
+    ScriptExecutor init();
+
+    void load(String nodeId, String script);
+
+    void execute(String nodeId, int slotIndex);
+}

liteflow-script-common/src/main/java/com/yomahub/liteflow/script/ScriptFactory.java

@@ -0,0 +1,30 @@
+package com.yomahub.liteflow.script;
+
+import cn.hutool.core.util.ObjectUtil;
+
+import java.util.ServiceLoader;
+
+public class ScriptFactory {
+
+    private static ScriptFactory scriptFactory;
+
+    private static ScriptExecutor scriptExecutor;
+
+    public static ScriptFactory loadInstance(){
+        if (ObjectUtil.isNull(scriptFactory)){
+            scriptFactory = new ScriptFactory();
+        }
+        return scriptFactory;
+    }
+
+    public ScriptExecutor getScriptExecutor(){
+        if (ObjectUtil.isNull(scriptExecutor)){
+            ServiceLoader<ScriptExecutor> loader = ServiceLoader.load(ScriptExecutor.class);
+            if (loader.iterator().hasNext()){
+                scriptExecutor = loader.iterator().next().init();
+                return scriptExecutor;
+            }
+        }
+        return scriptExecutor;
+    }
+}

liteflow-script-common/src/main/java/com/yomahub/liteflow/script/exception/ScriptExecuteException.java

@@ -0,0 +1,27 @@
+
+package com.yomahub.liteflow.script.exception;
+
+/**
+ * 脚本运行异常
+ * @author Bryan.Zhang
+ * @since 2.5.11
+ */
+public class ScriptExecuteException extends RuntimeException {
+
+	private static final long serialVersionUID = 1L;
+
+	/** 异常信息 */
+	private String message;
+
+	public ScriptExecuteException(String message) {
+		this.message = message;
+	}
+
+	public String getMessage() {
+		return message;
+	}
+
+	public void setMessage(String message) {
+		this.message = message;
+	}
+}

liteflow-script-common/src/main/java/com/yomahub/liteflow/script/exception/ScriptLoadException.java

@@ -0,0 +1,27 @@
+
+package com.yomahub.liteflow.script.exception;
+
+/**
+ * 脚本加载异常
+ * @author Bryan.Zhang
+ * @since 2.5.11
+ */
+public class ScriptLoadException extends RuntimeException {
+
+	private static final long serialVersionUID = 1L;
+
+	/** 异常信息 */
+	private String message;
+
+	public ScriptLoadException(String message) {
+		this.message = message;
+	}
+
+	public String getMessage() {
+		return message;
+	}
+
+	public void setMessage(String message) {
+		this.message = message;
+	}
+}