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Diffstat (limited to 'trunk/qpid/cpp/src/qpid/store/ms-sql/MessageRecordset.h')
-rw-r--r-- | trunk/qpid/cpp/src/qpid/store/ms-sql/MessageRecordset.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/trunk/qpid/cpp/src/qpid/store/ms-sql/MessageRecordset.h b/trunk/qpid/cpp/src/qpid/store/ms-sql/MessageRecordset.h deleted file mode 100644 index 698b2561fe..0000000000 --- a/trunk/qpid/cpp/src/qpid/store/ms-sql/MessageRecordset.h +++ /dev/null @@ -1,85 +0,0 @@ -#ifndef QPID_STORE_MSSQL_MESSAGERECORDSET_H -#define QPID_STORE_MSSQL_MESSAGERECORDSET_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 "BlobRecordset.h" -#include <qpid/broker/PersistableMessage.h> -#include <qpid/broker/RecoveryManager.h> -#include <boost/intrusive_ptr.hpp> - -namespace qpid { -namespace store { -namespace ms_sql { - -/** - * @class MessageRecordset - * - * Class for storing and recovering messages. Messages are primarily blobs - * and handled similarly. However, messages larger than the staging threshold - * are not contained completely in memory; they're left mostly in the store - * and the header is held in memory. So when the message "blob" is saved, - * an additional size-of-the-header field is prepended to the blob. - * On recovery, the size-of-the-header is used to get only what's needed - * until it's determined if the entire message is to be recovered to memory. - */ -class MessageRecordset : public BlobRecordset { - class Binding : public CADORecordBinding { - BEGIN_ADO_BINDING(Binding) - ADO_FIXED_LENGTH_ENTRY2(1, adBigInt, messageId, FALSE) - END_ADO_BINDING() - - public: - uint64_t messageId; - }; - -public: - // Store a message. Store the header size (4 bytes) then the regular - // blob comprising the message. - void add(const boost::intrusive_ptr<qpid::broker::PersistableMessage>& msg); - - // Append additional content to an existing message. - void append(const boost::intrusive_ptr<const qpid::broker::PersistableMessage>& msg, - const std::string& data); - - // Remove an existing message - void remove(const boost::intrusive_ptr<const qpid::broker::PersistableMessage>& msg); - - // Load all or part of a stored message. This skips the header parts and - // loads content. - void loadContent(const boost::intrusive_ptr<const qpid::broker::PersistableMessage>& msg, - std::string& data, - uint64_t offset, - uint32_t length); - - // Recover messages and save a map of those recovered. - void recover(qpid::broker::RecoveryManager& recoverer, - std::map<uint64_t, broker::RecoverableMessage::shared_ptr>& messageMap); - - // Dump table contents; useful for debugging. - void dump(); -}; - -}}} // namespace qpid::store::ms_sql - -#endif /* QPID_STORE_MSSQL_MESSAGERECORDSET_H */ |