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+#ifndef QPID_STORE_MSSQL_MESSAGEMAPRECORDSET_H
+#define QPID_STORE_MSSQL_MESSAGEMAPRECORDSET_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 <icrsint.h>
+#include "Recordset.h"
+#include <qpid/broker/RecoveryManager.h>
+
+namespace qpid {
+namespace store {
+namespace ms_sql {
+
+/**
+ * @class MessageMapRecordset
+ *
+ * Class for the message map (message -> queue) records.
+ */
+class MessageMapRecordset : public Recordset {
+
+ // These values are defined in a constraint on the tblMessageMap table.
+ // the prepareStatus column can only be null, 1, or 2.
+ enum { PREPARE_ADD=1, PREPARE_REMOVE=2 };
+
+ class MessageMap : public CADORecordBinding {
+ BEGIN_ADO_BINDING(MessageMap)
+ ADO_FIXED_LENGTH_ENTRY2(1, adBigInt, messageId, FALSE)
+ ADO_FIXED_LENGTH_ENTRY2(2, adBigInt, queueId, FALSE)
+ ADO_FIXED_LENGTH_ENTRY2(3, adTinyInt, prepareStatus, FALSE)
+ ADO_VARIABLE_LENGTH_ENTRY(4, adVarBinary, xid, sizeof(xid),
+ xidStatus, xidLength, FALSE)
+ END_ADO_BINDING()
+
+ public:
+ uint64_t messageId;
+ uint64_t queueId;
+ uint8_t prepareStatus;
+ char xid[512];
+ int xidStatus;
+ uint32_t xidLength;
+ };
+
+ void selectOnXid(const std::string& xid);
+
+public:
+ virtual void open(DatabaseConnection* conn, const std::string& table);
+
+ // Add a new mapping
+ void add(uint64_t messageId,
+ uint64_t queueId,
+ const std::string& xid = "");
+
+ // Remove a specific mapping.
+ void remove(uint64_t messageId, uint64_t queueId);
+
+ // Mark the indicated message->queue entry pending removal. The entry
+ // for the mapping is updated to indicate pending removal with the
+ // specified xid.
+ void pendingRemove(uint64_t messageId,
+ uint64_t queueId,
+ const std::string& xid);
+
+ // Remove mappings for all messages on a specified queue.
+ void removeForQueue(uint64_t queueId);
+
+ // Commit records recorded as prepared.
+ void commitPrepared(const std::string& xid);
+
+ // Abort prepared changes.
+ void abortPrepared(const std::string& xid);
+
+ // Recover the mappings of message ID -> vector<queue ID>.
+ void recover(MessageQueueMap& msgMap);
+
+ // Dump table contents; useful for debugging.
+ void dump();
+};
+
+}}} // namespace qpid::store::ms_sql
+
+#endif /* QPID_STORE_MSSQL_MESSAGEMAPRECORDSET_H */