MessageData 对象，用来定义消息

src/main/java/com/insight/demo/msgpack/model/MessageData.java

@@ -0,0 +1,25 @@
+package com.insight.demo.msgpack.model;
+
+import org.msgpack.annotation.Message;
+
+@Message
+public class MessageData {
+    public boolean compact;
+    public int schema;
+
+    public boolean isCompact() {
+        return compact;
+    }
+
+    public void setCompact(boolean compact) {
+        this.compact = compact;
+    }
+
+    public int getSchema() {
+        return schema;
+    }
+
+    public void setSchema(int schema) {
+        this.schema = schema;
+    }
+}