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diff --git a/qpid/cpp/src/qpid/framing/Invoker.h b/qpid/cpp/src/qpid/framing/Invoker.h
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+#ifndef QPID_FRAMING_INVOKER_H
+#define QPID_FRAMING_INVOKER_H
+
+/*
+ *
+ * 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.
+ *
+ */
+#include "qpid/framing/AMQMethodBody.h"
+#include "qpid/framing/MethodBodyDefaultVisitor.h"
+#include "qpid/framing/StructHelper.h"
+
+#include <boost/optional.hpp>
+
+namespace qpid {
+namespace framing {
+
+class AMQMethodBody;
+
+/**
+ * Base class for invoker visitors.
+ */
+class Invoker: public MethodBodyDefaultVisitor, protected StructHelper
+{
+ public:
+ struct Result {
+ public:
+ Result() : handled(false) {}
+ const std::string& getResult() const { return result; }
+ bool hasResult() const { return !result.empty(); }
+ bool wasHandled() const { return handled; }
+ operator bool() const { return handled; }
+
+ std::string result;
+ bool handled;
+ };
+
+ void defaultVisit(const AMQMethodBody&) {}
+ Result getResult() const { return result; }
+
+ protected:
+ Result result;
+};
+
+/**
+ * Invoke an invocable object.
+ * Invocable classes must provide a nested type Invoker.
+ */
+template <class Invocable>
+Invoker::Result invoke(Invocable& target, const AMQMethodBody& body) {
+ typename Invocable::Invoker invoker(target);
+ body.accept(invoker);
+ return invoker.getResult();
+}
+
+/**
+ * Invoke an invocable object.
+ * Invocable classes must provide a nested type Invoker.
+ */
+template <class Invocable>
+Invoker::Result invoke(Invocable& target, const AMQBody& body) {
+ typename Invocable::Invoker invoker(target);
+ const AMQMethodBody* method = body.getMethod();
+ if (method)
+ method->accept(invoker);
+ return invoker.getResult();
+}
+
+}} // namespace qpid::framing
+
+#endif /*!QPID_FRAMING_INVOKER_H*/