Apache Qpid C++ API
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qpid/framing/SequenceNumberSet.h

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00001 /*
00002  *
00003  * Licensed to the Apache Software Foundation (ASF) under one
00004  * or more contributor license agreements.  See the NOTICE file
00005  * distributed with this work for additional information
00006  * regarding copyright ownership.  The ASF licenses this file
00007  * to you under the Apache License, Version 2.0 (the
00008  * "License"); you may not use this file except in compliance
00009  * with the License.  You may obtain a copy of the License at
00010  * 
00011  *   http://www.apache.org/licenses/LICENSE-2.0
00012  * 
00013  * Unless required by applicable law or agreed to in writing,
00014  * software distributed under the License is distributed on an
00015  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00016  * KIND, either express or implied.  See the License for the
00017  * specific language governing permissions and limitations
00018  * under the License.
00019  *
00020  */
00021 #ifndef _framing_SequenceNumberSet_h
00022 #define _framing_SequenceNumberSet_h
00023 
00024 #include <ostream>
00025 #include "amqp_types.h"
00026 #include "Buffer.h"
00027 #include "SequenceNumber.h"
00028 #include "qpid/framing/reply_exceptions.h"
00029 #include "qpid/InlineVector.h"
00030 
00031 namespace qpid {
00032 namespace framing {
00033 
00034 class SequenceNumberSet : public InlineVector<SequenceNumber, 2>
00035 {
00036     typedef InlineVector<SequenceNumber, 2> Base;
00037 public:
00038     typedef Base::const_iterator const_iterator;
00039     typedef Base::iterator iterator;
00040 
00041     void encode(Buffer& buffer) const;
00042     void decode(Buffer& buffer);
00043     uint32_t encodedSize() const;   
00044     SequenceNumberSet condense() const;
00045     void addRange(const SequenceNumber& start, const SequenceNumber& end);
00046 
00047     template <class T>
00048     void processRanges(T& t) const
00049     {
00050         if (size() % 2) { //must be even number        
00051             throw InvalidArgumentException("SequenceNumberSet contains odd number of elements");
00052         }
00053     
00054         for (SequenceNumberSet::const_iterator i = begin(); i != end(); i++) {
00055             SequenceNumber first = *(i);
00056             SequenceNumber last = *(++i);
00057             t(first, last);
00058         }
00059     }
00060 
00061     friend std::ostream& operator<<(std::ostream&, const SequenceNumberSet&);
00062 };    
00063 
00064 
00065 }} // namespace qpid::framing
00066 
00067 
00068 #endif

Qpid C++ API Reference
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