修改：工程结构变更为 标准 maven 工程

src/main/java/tccn/zhub/Rpc.java

@@ -0,0 +1,93 @@
+package tccn.zhub;
+
+import com.google.gson.Gson;
+import com.google.gson.annotations.Expose;
+
+public class Rpc<T> {
+    /*public final static Gson gson = new GsonBuilder()
+            .excludeFieldsWithoutExposeAnnotation()
+            .create();*/
+    public final static Gson gson = new Gson();
+
+    private String ruk;     // request unique key:
+    private String topic;   // call topic
+    private T value;        // call paras
+
+    @Expose(deserialize = false, serialize = false)
+    private RpcResult rpcResult;
+
+    public Rpc() {
+    }
+
+    public Rpc(String appname, String ruk, String topic, Object value) {
+        this.ruk = appname + "::" + ruk;
+        this.topic = topic;
+        this.value = (T) gson.toJson(value);
+    }
+
+    public String getRuk() {
+        return ruk;
+    }
+
+    public void setRuk(String ruk) {
+        this.ruk = ruk;
+    }
+
+    public String getTopic() {
+        return topic;
+    }
+
+    public void setTopic(String topic) {
+        this.topic = topic;
+    }
+
+    public T getValue() {
+        return value;
+    }
+
+    public void setValue(T value) {
+        this.value = value;
+    }
+
+
+    public RpcResult getRpcResult() {
+        return rpcResult;
+    }
+
+    public void setRpcResult(RpcResult rpcResult) {
+        this.rpcResult = rpcResult;
+    }
+
+    public String getBackTopic() {
+        return ruk.split("::")[0];
+    }
+
+    public <R> RpcResult<R> buildResp() {
+        RpcResult<R> response = new RpcResult<>();
+        response.setRuk(ruk);
+        return response;
+    }
+
+    public <R> RpcResult<R> buildResp(int retcode, String retinfo) {
+        RpcResult<R> response = new RpcResult<>();
+        response.setRuk(ruk);
+        response.setRetcode(retcode);
+        response.setRetinfo(retinfo);
+        return response;
+    }
+
+    public <R> RpcResult<R> buildError(String retinfo) {
+        RpcResult<R> response = new RpcResult<>();
+        response.setRuk(ruk);
+        response.setRetcode(100);
+        response.setRetinfo(retinfo);
+        return response;
+    }
+
+    public <R> RpcResult<R> buildResp(R result) {
+        RpcResult<R> response = new RpcResult<>();
+        response.setRuk(ruk);
+        response.setResult(result);
+        return response;
+    }
+}