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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 _DeliveryRecord_
#define _DeliveryRecord_
#include <algorithm>
#include <list>
#include <vector>
#include <ostream>
#include "qpid/framing/SequenceSet.h"
#include "Queue.h"
#include "Consumer.h"
#include "DeliveryId.h"
#include "DeliveryToken.h"
#include "Message.h"
#include "Prefetch.h"
namespace qpid {
namespace broker {
class SemanticState;
/**
* Record of a delivery for which an ack is outstanding.
*/
class DeliveryRecord{
QueuedMessage msg;
mutable Queue::shared_ptr queue;
const std::string tag;
DeliveryToken::shared_ptr token;
DeliveryId id;
bool acquired;
const bool pull;
bool cancelled;
const uint32_t credit;
const uint64_t size;
bool completed;
bool ended;
public:
DeliveryRecord(const QueuedMessage& msg, Queue::shared_ptr queue, const std::string tag, DeliveryToken::shared_ptr token,
const DeliveryId id, bool acquired, bool confirmed = false);
DeliveryRecord(const QueuedMessage& msg, Queue::shared_ptr queue, const DeliveryId id);
bool matches(DeliveryId tag) const;
bool matchOrAfter(DeliveryId tag) const;
bool after(DeliveryId tag) const;
bool coveredBy(const framing::SequenceSet* const range) const;
void dequeue(TransactionContext* ctxt = 0) const;
void requeue() const;
void release(bool setRedelivered);
void reject();
void cancel(const std::string& tag);
void redeliver(SemanticState* const);
void acquire(DeliveryIds& results);
void complete();
void accept(TransactionContext* ctxt);
void setEnded();
bool isAcquired() const { return acquired; }
bool isComplete() const { return completed; }
bool isRedundant() const { return ended && completed; }
uint32_t getCredit() const;
void addTo(Prefetch&) const;
void subtractFrom(Prefetch&) const;
const std::string& getTag() const { return tag; }
bool isPull() const { return pull; }
friend bool operator<(const DeliveryRecord&, const DeliveryRecord&);
friend std::ostream& operator<<(std::ostream&, const DeliveryRecord&);
};
typedef std::list<DeliveryRecord> DeliveryRecords;
typedef std::list<DeliveryRecord>::iterator ack_iterator;
struct AckRange
{
ack_iterator start;
ack_iterator end;
AckRange(ack_iterator _start, ack_iterator _end) : start(_start), end(_end) {}
};
struct AcquireFunctor
{
DeliveryIds& results;
AcquireFunctor(DeliveryIds& _results) : results(_results) {}
void operator()(DeliveryRecord& record)
{
record.acquire(results);
}
};
}
}
#endif
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