feature: add workflow definition graph and service

carp-modules/carp-module-queue/carp-module-queue-api/src/main/java/cn/sliew/carp/module/queue/api/Message.java

@@ -18,14 +18,16 @@
 
 package cn.sliew.carp.module.queue.api;
 
+import lombok.Builder;
+import lombok.Data;
 import lombok.Getter;
 import lombok.Setter;
 
 import java.util.EventObject;
 import java.util.Map;
 
-@Getter
-@Setter
+@Data
+@Builder
 public final class Message extends EventObject {
 
     public Message(Object source) {

carp-modules/carp-module-queue/carp-module-queue-api/src/main/java/cn/sliew/carp/module/queue/api/util/Serder.java

@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cn.sliew.carp.module.queue.api.util;
+
+import java.io.*;
+
+public enum Serder {
+    ;
+
+    public static byte[] serializeByJava(Object obj) {
+        try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
+             ObjectOutputStream oos = new ObjectOutputStream(bos)) {
+            oos.writeObject(obj);
+            return bos.toByteArray();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static Object deserializeByJava(byte[] bytes) {
+        try (ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
+             ObjectInputStream ois = new ObjectInputStream(bis)) {
+            return ois.readObject();
+
+        } catch (IOException | ClassNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

carp-modules/carp-module-workflow/carp-module-workflow-internal/src/main/java/cn/sliew/carp/module/workflow/internal/statemachine/WorkflowInstanceStateMachine.java

@@ -24,6 +24,7 @@
 import cn.sliew.carp.module.queue.api.Message;
 import cn.sliew.carp.module.queue.api.Queue;
 import cn.sliew.carp.module.queue.api.QueueFactory;
+import cn.sliew.carp.module.queue.api.util.Serder;
 import cn.sliew.carp.module.workflow.internal.listener.workflowinstance.*;
 import cn.sliew.milky.common.util.JacksonUtil;
 import com.alibaba.cola.statemachine.Action;
@@ -109,7 +110,7 @@ private Action<WorkflowInstanceState, WorkflowInstanceEvent, Pair<Long, Throwabl
 
             Message message = Message.builder()
                     .topic(queue.getName())
-                    .body(FuryUtil.serializeByJava(eventDTO))
+                    .body(Serder.serializeByJava(eventDTO))
                     .build();
             queue.push(message);
         };