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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 _QueuePolicy_
#define _QueuePolicy_
#include <iostream>
#include "qpid/framing/FieldTable.h"
namespace qpid {
namespace broker {
class QueuePolicy
{
static const std::string maxCountKey;
static const std::string maxSizeKey;
static uint64_t defaultMaxSize;
const uint32_t maxCount;
const uint64_t maxSize;
uint32_t count;
uint64_t size;
static int getInt(const qpid::framing::FieldTable& settings, const std::string& key, int defaultValue);
public:
QueuePolicy(uint32_t maxCount, uint64_t maxSize);
QueuePolicy(const qpid::framing::FieldTable& settings);
void enqueued(uint64_t size);
void dequeued(uint64_t size);
void update(qpid::framing::FieldTable& settings);
bool limitExceeded();
uint32_t getMaxCount() const { return maxCount; }
uint64_t getMaxSize() const { return maxSize; }
static void setDefaultMaxSize(uint64_t);
friend std::ostream& operator<<(std::ostream&, const QueuePolicy&);
};
}
}
#endif
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