1 files changed, 80 insertions, 0 deletions
diff --git a/cpp/src/qpid/framing/MethodHolder.h b/cpp/src/qpid/framing/MethodHolder.h
new file mode 100644
index 0000000000..b93c6b83b1
--- /dev/null
+++ b/cpp/src/qpid/framing/MethodHolder.h
@@ -0,0 +1,80 @@
+#ifndef QPID_FRAMING_METHODBODYHOLDER_H
+#define QPID_FRAMING_METHODBODYHOLDER_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/method_variants.h"
+
+#include <boost/type_traits/has_nothrow_copy.hpp>
+
+namespace qpid {
+namespace framing {
+
+class AMQMethodBody;
+
+/**
+ * Holder for arbitrary method body.
+ */
+class MethodHolder
+{
+  public:
+    MethodHolder() {}
+    MethodHolder(const MethodVariant& mv) : method(mv) {}
+
+    /** Construct from a concrete method body type.
+     * ClassVariant<T>::value is the containing class variant.
+     */
+    template <class T>
+    MethodHolder(const T& t)
+        : method(typename ClassVariant<T>::value(t)) {}
+
+    /** Construct from class/method ID, set the method accordingly. */
+    MethodHolder(ClassId, MethodId);
+
+    /** Set the method to the type corresponding to ClassId, MethodId */
+    void setMethod(ClassId, MethodId);
+    
+    AMQMethodBody* getMethod();
+    const AMQMethodBody* getMethod() const;
+    
+    MethodVariant method;
+
+    void encode(Buffer&) const;
+    void decode(Buffer&);
+    uint32_t size() const;
+};
+
+inline std::ostream& operator<<(std::ostream& out, const MethodHolder& h) {
+    return out << h.method;
+}
+
+
+}} // namespace qpid::framing
+
+namespace boost {
+template<> struct has_nothrow_copy<qpid::framing::MethodHolder> 
+    : public boost::true_type {};
+}
+
+
+
+#endif  /*!QPID_FRAMING_METHODBODYHOLDER_H*/