1 files changed, 83 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/TxAccept.h b/qpid/cpp/src/qpid/broker/TxAccept.h
new file mode 100644
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+++ b/qpid/cpp/src/qpid/broker/TxAccept.h
@@ -0,0 +1,83 @@
+/*
+ *
+ * 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.
+ *
+ */
+#ifndef _TxAccept_
+#define _TxAccept_
+
+#include <algorithm>
+#include <functional>
+#include <list>
+#include "qpid/framing/SequenceSet.h"
+#include "qpid/broker/DeliveryRecord.h"
+#include "qpid/broker/TxOp.h"
+
+namespace qpid {
+    namespace broker {
+        /**
+         * Defines the transactional behaviour for accepts received by
+         * a transactional channel.
+         */
+        class TxAccept : public TxOp {
+            struct RangeOp
+            {
+                AckRange range;
+    
+                RangeOp(const AckRange& r);
+                void prepare(TransactionContext* ctxt);
+                void commit();
+            };
+
+            struct RangeOps
+            {
+                std::vector<RangeOp> ranges;
+                DeliveryRecords& unacked;
+    
+                RangeOps(DeliveryRecords& u);
+
+                void operator()(framing::SequenceNumber start, framing::SequenceNumber end);
+                void prepare(TransactionContext* ctxt);
+                void commit();    
+            };
+
+            framing::SequenceSet acked;
+            DeliveryRecords& unacked;
+            RangeOps ops;
+
+        public:
+            /**
+             * @param acked a representation of the accumulation of
+             * acks received
+             * @param unacked the record of delivered messages
+             */
+            TxAccept(const framing::SequenceSet& acked, DeliveryRecords& unacked);
+            virtual bool prepare(TransactionContext* ctxt) throw();
+            virtual void commit() throw();
+            virtual void rollback() throw();
+            virtual ~TxAccept(){}
+            virtual void accept(TxOpConstVisitor& visitor) const { visitor(*this); }
+
+            // Used by cluster replication.
+            const framing::SequenceSet& getAcked() const { return acked; }
+        };
+    }
+}
+
+
+#endif