add IUserService Interface

dolphinscheduler-remote/src/test/java/org/apache/dolphinscheduler/rpc/IUserService.java

@@ -0,0 +1,31 @@
+/*
+ * 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 org.apache.dolphinscheduler.rpc;
+
+import org.apache.dolphinscheduler.rpc.base.Rpc;
+
+/**
+ * IUserService
+ */
+public interface IUserService {
+
+    @Rpc(async = true, serviceCallback = UserCallback.class, retries = 9999)
+    Boolean say(String s);
+
+    Integer hi(int num);
+}