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#ifndef QPID_CLIENT_ACKPOLICY_H
#define QPID_CLIENT_ACKPOLICY_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 "qpid/framing/SequenceSet.h"
namespace qpid {
namespace client {
/**
* Policy for automatic acknowledgement of messages.
*
* \ingroup clientapi
*/
class AckPolicy
{
framing::SequenceSet accepted;
size_t interval;
size_t count;
public:
/**
*@param n: acknowledge every n messages.
*n==0 means no automatic acknowledgement.
*/
AckPolicy(size_t n=1) : interval(n), count(n) {}
void ack(const Message& msg, Session& session) {
accepted.add(msg.getId());
if (!interval) return;
if (--count==0) {
session.markCompleted(msg.getId(), false, true);
session.messageAccept(accepted);
accepted.clear();
count = interval;
} else {
session.markCompleted(msg.getId(), false, false);
}
}
void ackOutstanding(Session& session) {
if (!accepted.empty()) {
session.messageAccept(accepted);
accepted.clear();
session.sendCompletion();
}
}
};
}} // namespace qpid::client
#endif /*!QPID_CLIENT_ACKPOLICY_H*/
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