Fix isInjvmRefer

dubbo-rpc/dubbo-rpc-injvm/src/main/java/org/apache/dubbo/rpc/protocol/injvm/InjvmProtocol.java

@@ -93,27 +93,23 @@ public <T> Invoker<T> refer(Class<T> serviceType, URL url) throws RpcException {
     }
 
     public boolean isInjvmRefer(URL url) {
-        final boolean isJvmRefer;
         String scope = url.getParameter(Constants.SCOPE_KEY);
         // Since injvm protocol is configured explicitly, we don't need to set any extra flag, use normal refer process.
-        if (Constants.LOCAL_PROTOCOL.toString().equals(url.getProtocol())) {
-            isJvmRefer = false;
-        } else if (Constants.SCOPE_LOCAL.equals(scope) || (url.getParameter(Constants.LOCAL_PROTOCOL, false))) {
+        if (Constants.SCOPE_LOCAL.equals(scope) || (url.getParameter(Constants.LOCAL_PROTOCOL, false))) {
             // if it's declared as local reference
             // 'scope=local' is equivalent to 'injvm=true', injvm will be deprecated in the future release
-            isJvmRefer = true;
+            return true;
         } else if (Constants.SCOPE_REMOTE.equals(scope)) {
             // it's declared as remote reference
-            isJvmRefer = false;
+            return false;
         } else if (url.getParameter(Constants.GENERIC_KEY, false)) {
             // generic invocation is not local reference
-            isJvmRefer = false;
+            return false;
         } else if (getExporter(exporterMap, url) != null) {
             // by default, go through local reference if there's the service exposed locally
-            isJvmRefer = true;
+            return true;
         } else {
-            isJvmRefer = false;
+            return false;
         }
-        return isJvmRefer;
     }
 }