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qpid/framing/Uuid.h
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00001 #ifndef QPID_FRAMING_UUID_H
00002 #define QPID_FRAMING_UUID_H
00003 
00004 /*
00005  *
00006  * Copyright (c) 2006 The Apache Software Foundation
00007  *
00008  * Licensed under the Apache License, Version 2.0 (the "License");
00009  * you may not use this file except in compliance with the License.
00010  * You may obtain a copy of the License at
00011  *
00012  *    http://www.apache.org/licenses/LICENSE-2.0
00013  *
00014  * Unless required by applicable law or agreed to in writing, software
00015  * distributed under the License is distributed on an "AS IS" BASIS,
00016  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00017  * See the License for the specific language governing permissions and
00018  * limitations under the License.
00019  *
00020  */
00021 
00022 #include "qpid/CommonImportExport.h"
00023 #include "qpid/sys/IntegerTypes.h"
00024 
00025 #include <boost/array.hpp>
00026 
00027 #include <ostream>
00028 #include <istream>
00029 
00030 namespace qpid {
00031 namespace framing {
00032 
00033 class Buffer;
00034 
00044 struct Uuid : public boost::array<uint8_t, 16> {
00046     QPID_COMMON_EXTERN Uuid(bool unique=false);
00047 
00049     QPID_COMMON_EXTERN Uuid(const uint8_t* data);
00050 
00051     // Default op= and copy ctor are fine.
00052     // boost::array gives us ==, < etc.
00053 
00055     QPID_COMMON_EXTERN void assign(const uint8_t* data);
00056 
00058     QPID_COMMON_EXTERN void generate();
00059 
00061     QPID_COMMON_EXTERN void clear();
00062 
00064     QPID_COMMON_EXTERN bool isNull() const;
00065     QPID_COMMON_INLINE_EXTERN operator bool() const { return !isNull(); }
00066     QPID_COMMON_INLINE_EXTERN bool operator!() const { return isNull(); }
00067 
00068     QPID_COMMON_EXTERN void encode(framing::Buffer& buf) const;
00069     QPID_COMMON_EXTERN void decode(framing::Buffer& buf);
00070     QPID_COMMON_INLINE_EXTERN uint32_t encodedSize() const
00071         { return static_cast<uint32_t>(size()); }
00072 
00074     QPID_COMMON_EXTERN std::string str() const;
00075 
00076     template <class S> void serialize(S& s) {
00077         s.raw(begin(), size());
00078     }
00079 };
00080 
00082 QPID_COMMON_EXTERN std::ostream& operator<<(std::ostream&, Uuid);
00083 
00085 QPID_COMMON_EXTERN std::istream& operator>>(std::istream&, Uuid&);
00086 
00087 }} // namespace qpid::framing
00088 
00089 
00090 
00091 #endif  

Qpid C++ API Reference
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