1 files changed, 68 insertions, 0 deletions
diff --git a/qpid/cpp/src/qmf/engine/SequenceManager.h b/qpid/cpp/src/qmf/engine/SequenceManager.h
new file mode 100644
index 0000000000..9e47e38610
--- /dev/null
+++ b/qpid/cpp/src/qmf/engine/SequenceManager.h
@@ -0,0 +1,68 @@
+#ifndef _QmfEngineSequenceManager_
+#define _QmfEngineSequenceManager_
+
+/*
+ * 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/sys/Mutex.h"
+#include <boost/shared_ptr.hpp>
+#include <map>
+
+namespace qpid {
+    namespace framing {
+        class Buffer;
+    }
+}
+
+namespace qmf {
+namespace engine {
+
+    class SequenceContext {
+    public:
+        typedef boost::shared_ptr<SequenceContext> Ptr;
+        SequenceContext() {}
+        virtual ~SequenceContext() {}
+
+        virtual void reserve() = 0;
+        virtual bool handleMessage(uint8_t opcode, uint32_t sequence, const std::string& routingKey, qpid::framing::Buffer& buffer) = 0;
+        virtual void release() = 0;
+    };
+
+    class SequenceManager {
+    public:
+        SequenceManager();
+
+        void setUnsolicitedContext(SequenceContext::Ptr ctx);
+        uint32_t reserve(SequenceContext::Ptr ctx = SequenceContext::Ptr());
+        void release(uint32_t sequence);
+        void releaseAll();
+        void dispatch(uint8_t opcode, uint32_t sequence, const std::string& routingKey, qpid::framing::Buffer& buffer);
+
+    private:
+        mutable qpid::sys::Mutex lock;
+        uint32_t nextSequence;
+        SequenceContext::Ptr unsolicitedContext;
+        std::map<uint32_t, SequenceContext::Ptr> contextMap;
+    };
+
+}
+}
+
+#endif
+