| #ifndef QPID_BROKER_QUEUEDEPTH_H |
| #define QPID_BROKER_QUEUEDEPTH_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/broker/BrokerImportExport.h" |
| #include "qpid/sys/IntegerTypes.h" |
| #include <ostream> |
| |
| namespace qpid { |
| namespace broker { |
| |
| /** |
| * Represents a queue depth in message count and/or aggregate message |
| * size. |
| */ |
| class QueueDepth |
| { |
| public: |
| QPID_BROKER_EXTERN QueueDepth(); |
| QPID_BROKER_EXTERN QueueDepth(uint32_t count, uint64_t size); |
| QPID_BROKER_EXTERN QueueDepth& operator+=(const QueueDepth&); |
| QPID_BROKER_EXTERN QueueDepth& operator-=(const QueueDepth&); |
| QPID_BROKER_EXTERN bool operator==(const QueueDepth&) const; |
| QPID_BROKER_EXTERN bool operator!=(const QueueDepth&) const; |
| QPID_BROKER_EXTERN bool operator<(const QueueDepth& other) const; |
| QPID_BROKER_EXTERN bool operator>(const QueueDepth& other) const; |
| QPID_BROKER_EXTERN operator bool() const; |
| QPID_BROKER_EXTERN bool hasCount() const; |
| QPID_BROKER_EXTERN uint32_t getCount() const; |
| QPID_BROKER_EXTERN void setCount(uint32_t); |
| QPID_BROKER_EXTERN bool hasSize() const; |
| QPID_BROKER_EXTERN uint64_t getSize() const; |
| QPID_BROKER_EXTERN void setSize(uint64_t); |
| friend QPID_BROKER_EXTERN QueueDepth operator-(const QueueDepth&, const QueueDepth&); |
| friend QPID_BROKER_EXTERN QueueDepth operator+(const QueueDepth&, const QueueDepth&); |
| template <typename T> struct Optional |
| { |
| T value; |
| bool valid; |
| |
| Optional(T v) : value(v), valid(true) {} |
| Optional() : value(0), valid(false) {} |
| }; |
| private: |
| Optional<uint32_t> count; |
| Optional<uint64_t> size; |
| }; |
| |
| QPID_BROKER_EXTERN QueueDepth operator-(const QueueDepth&, const QueueDepth&); |
| QPID_BROKER_EXTERN QueueDepth operator+(const QueueDepth&, const QueueDepth&); |
| std::ostream& operator<<(std::ostream&, const QueueDepth&); |
| |
| }} // namespace qpid::broker |
| |
| #endif /*!QPID_BROKER_QUEUEDEPTH_H*/ |