工程结构模块的改变

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

@@ -0,0 +1,17 @@
+package com.yomahub.liteflow.script;
+
+/**
+ * 脚本执行器接口
+ * @author Bryan.Zhang
+ * @since 2.6.0
+ */
+public interface ScriptExecutor {
+
+    ScriptExecutor init();
+
+    void load(String nodeId, String script);
+
+    Object execute(String currChainName, String nodeId, int slotIndex);
+
+    void cleanCache();
+}

liteflow-core/src/main/java/com/yomahub/liteflow/script/ScriptExecutorFactory.java

@@ -0,0 +1,39 @@
+package com.yomahub.liteflow.script;
+
+import cn.hutool.core.util.ObjectUtil;
+import com.yomahub.liteflow.script.exception.ScriptSpiException;
+
+import java.util.ServiceLoader;
+
+/**
+ * 脚本执行器工厂类
+ * @author Bryan.Zhang
+ * @since 2.6.0
+ */
+public class ScriptExecutorFactory {
+
+    private static ScriptExecutorFactory scriptExecutorFactory;
+
+    private ScriptExecutor scriptExecutor;
+
+    public static ScriptExecutorFactory loadInstance(){
+        if (ObjectUtil.isNull(scriptExecutorFactory)){
+            scriptExecutorFactory = new ScriptExecutorFactory();
+        }
+        return scriptExecutorFactory;
+    }
+
+    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;
+            }else{
+                throw new ScriptSpiException("script spi component failed to load");
+            }
+        }
+        return scriptExecutor;
+    }
+}

liteflow-core/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 2.6.0
+ */
+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-core/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 2.6.0
+ */
+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;
+	}
+}

liteflow-core/src/main/java/com/yomahub/liteflow/script/exception/ScriptSpiException.java

@@ -0,0 +1,27 @@
+
+package com.yomahub.liteflow.script.exception;
+
+/**
+ * 脚本SPI插件加载异常
+ * @author Bryan.Zhang
+ * @since 2.6.0
+ */
+public class ScriptSpiException extends RuntimeException {
+
+	private static final long serialVersionUID = 1L;
+
+	/** 异常信息 */
+	private String message;
+
+	public ScriptSpiException(String message) {
+		this.message = message;
+	}
+
+	public String getMessage() {
+		return message;
+	}
+
+	public void setMessage(String message) {
+		this.message = message;
+	}
+}