Apache Qpid C++ API
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qpid/client/Bounds.h

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00001 #ifndef QPID_CLIENT_BOUNDSCHECKING_H
00002 #define QPID_CLIENT_BOUNDSCHECKING_H
00003 /*
00004  *
00005  * Licensed to the Apache Software Foundation (ASF) under one
00006  * or more contributor license agreements.  See the NOTICE file
00007  * distributed with this work for additional information
00008  * regarding copyright ownership.  The ASF licenses this file
00009  * to you under the Apache License, Version 2.0 (the
00010  * "License"); you may not use this file except in compliance
00011  * with the License.  You may obtain a copy of the License at
00012  * 
00013  *   http://www.apache.org/licenses/LICENSE-2.0
00014  * 
00015  * Unless required by applicable law or agreed to in writing,
00016  * software distributed under the License is distributed on an
00017  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00018  * KIND, either express or implied.  See the License for the
00019  * specific language governing permissions and limitations
00020  * under the License.
00021  *
00022  */
00023 #include "qpid/sys/Waitable.h"
00024 
00025 namespace qpid{
00026 namespace client{
00027 
00028 class Bounds
00029 {
00030   public:
00031     Bounds(size_t maxSize);
00032     bool expand(size_t, bool block);
00033     void reduce(size_t);
00034     size_t getCurrentSize();
00035     void setException(const sys::ExceptionHolder&);
00036     
00037   private:
00038     friend std::ostream& operator<<(std::ostream&, const Bounds&);
00039     sys::Waitable lock;
00040     const size_t max;
00041     size_t current;
00042 };
00043 
00044 std::ostream& operator<<(std::ostream&, const Bounds&);
00045 
00046 
00047 }}
00048 
00049 #endif

Qpid C++ API Reference
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