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/*
*
* 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 _NullMessageStore_
#define _NullMessageStore_
#include <set>
#include "MessageStore.h"
#include "Queue.h"
#include <boost/intrusive_ptr.hpp>
namespace qpid {
namespace broker {
/**
* A null implementation of the MessageStore interface
*/
class NullMessageStore : public MessageStore
{
std::set<std::string> prepared;
uint64_t nextPersistenceId;
public:
NullMessageStore();
virtual bool init(const Options* options);
virtual std::auto_ptr<TransactionContext> begin();
virtual std::auto_ptr<TPCTransactionContext> begin(const std::string& xid);
virtual void prepare(TPCTransactionContext& txn);
virtual void commit(TransactionContext& txn);
virtual void abort(TransactionContext& txn);
virtual void collectPreparedXids(std::set<std::string>& xids);
virtual void create(PersistableQueue& queue, const framing::FieldTable& args);
virtual void destroy(PersistableQueue& queue);
virtual void create(const PersistableExchange& exchange, const framing::FieldTable& args);
virtual void destroy(const PersistableExchange& exchange);
virtual void bind(const PersistableExchange& exchange, const PersistableQueue& queue,
const std::string& key, const framing::FieldTable& args);
virtual void unbind(const PersistableExchange& exchange, const PersistableQueue& queue,
const std::string& key, const framing::FieldTable& args);
virtual void create(const PersistableConfig& config);
virtual void destroy(const PersistableConfig& config);
virtual void recover(RecoveryManager& queues);
virtual void stage(const boost::intrusive_ptr<PersistableMessage>& msg);
virtual void destroy(PersistableMessage& msg);
virtual void appendContent(const boost::intrusive_ptr<const PersistableMessage>& msg,
const std::string& data);
virtual void loadContent(const qpid::broker::PersistableQueue& queue,
const boost::intrusive_ptr<const PersistableMessage>& msg, std::string& data,
uint64_t offset, uint32_t length);
virtual void enqueue(TransactionContext* ctxt,
const boost::intrusive_ptr<PersistableMessage>& msg,
const PersistableQueue& queue);
virtual void dequeue(TransactionContext* ctxt,
const boost::intrusive_ptr<PersistableMessage>& msg,
const PersistableQueue& queue);
virtual uint32_t outstandingQueueAIO(const PersistableQueue& queue);
virtual void flush(const qpid::broker::PersistableQueue& queue);
~NullMessageStore(){}
virtual bool isNull() const;
static bool isNullStore(const MessageStore*);
};
}
}
#endif
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