MM-21898: Part 2. Add opentracing (#13904)

* initial implementation of opentracing

* app layer

* Revert Makefile

* .

* cleanup

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* .

* [ci]

* autogenerate interface

* .

* missed vendor files

* updated interfaces

* updated store layers

* lint fixes

* .

* finishing layer generators and nested spans

* added errors and b3 support

* code review

* .

* .

* fixed build error due to misplased flag.Parse()

* code review addressed

vendor/github.com/uber/jaeger-client-go/thrift/processor.go

@@ -0,0 +1,30 @@
+/*
+ * 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 thrift
+
+// A processor is a generic object which operates upon an input stream and
+// writes to some output stream.
+type TProcessor interface {
+	Process(in, out TProtocol) (bool, TException)
+}
+
+type TProcessorFunction interface {
+	Process(seqId int32, in, out TProtocol) (bool, TException)
+}