auto detect proxy type

dubbo-common/src/main/java/org/apache/dubbo/rpc/model/DubboStub.java

@@ -0,0 +1,25 @@
+/*
+ * 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.dubbo.rpc.model;
+
+/**
+ * Marker interface implemented by all stub. Used to detect
+ * whether objects are Dubbo-generated stub.
+ */
+public interface DubboStub {
+}

dubbo-compiler/src/main/resources/Dubbo3InterfaceStub.mustache

@@ -25,7 +25,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 {{#deprecated}}
     @java.lang.Deprecated
 {{/deprecated}}
-public interface {{interfaceClassName}} {
+public interface {{interfaceClassName}} extends org.apache.dubbo.rpc.model.DubboStub {
 
     static final String JAVA_SERVICE_NAME = "{{packageName}}.{{serviceName}}";
     static final String SERVICE_NAME = "{{commonPackageName}}.{{serviceName}}";

dubbo-compiler/src/main/resources/Dubbo3TripleInterfaceStub.mustache

@@ -27,7 +27,7 @@ import java.util.Map;
 import java.util.function.BiConsumer;
 import java.util.concurrent.CompletableFuture;
 
-public interface {{interfaceClassName}} {
+public interface {{interfaceClassName}} extends org.apache.dubbo.rpc.model.DubboStub {
 
     String JAVA_SERVICE_NAME = "{{packageName}}.{{serviceName}}";
     String SERVICE_NAME = "{{commonPackageName}}.{{serviceName}}";

dubbo-compiler/src/main/resources/DubboStub.mustache

@@ -51,7 +51,7 @@ public static final String SERVICE_NAME = "{{packageName}}.{{serviceName}}";
 /**
 * Code generated for Dubbo
 */
-public interface I{{serviceName}} {
+public interface I{{serviceName}} extends org.apache.dubbo.rpc.model.DubboStub {
 
 static Class<?> clazz = init();
 

dubbo-compiler/src/main/resources/DubboStub3Single.mustache

@@ -51,7 +51,7 @@ public static final String SERVICE_NAME = "{{packageName}}.{{serviceName}}";
 /**
 * Code generated for Dubbo
 */
-public interface I{{serviceName}} {
+public interface I{{serviceName}} extends org.apache.dubbo.rpc.model.DubboStub {
 
     static Class<?> clazz = init();
 

dubbo-compiler/src/main/resources/ReactorDubbo3TripleInterfaceStub.mustache

@@ -22,7 +22,7 @@ package {{packageName}};
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
-public interface {{interfaceClassName}} {
+public interface {{interfaceClassName}} extends org.apache.dubbo.rpc.model.DubboStub {
 
     String JAVA_SERVICE_NAME = "{{packageName}}.{{serviceName}}";
 

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ReferenceConfig.java

@@ -43,6 +43,7 @@
 import org.apache.dubbo.rpc.cluster.support.registry.ZoneAwareCluster;
 import org.apache.dubbo.rpc.model.AsyncMethodInfo;
 import org.apache.dubbo.rpc.model.ConsumerModel;
+import org.apache.dubbo.rpc.model.DubboStub;
 import org.apache.dubbo.rpc.model.ModuleModel;
 import org.apache.dubbo.rpc.model.ModuleServiceRepository;
 import org.apache.dubbo.rpc.model.ScopeModel;
@@ -264,6 +265,12 @@ protected synchronized void init() {
             if (!this.isRefreshed()) {
                 this.refresh();
             }
+            //auto detect proxy type
+            String proxyType = getProxy();
+            if (StringUtils.isBlank(proxyType)
+                && DubboStub.class.isAssignableFrom(interfaceClass)) {
+                setProxy(CommonConstants.NATIVE_STUB);
+            }
 
             // init serviceMetadata
             initServiceMetadata(consumer);