unique_string_manager.h
Go to the documentation of this file.
00001 /*
00002  * Copyright (c) 2011, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 #ifndef UNIQUE_STRING_MANAGER_H_
00031 #define UNIQUE_STRING_MANAGER_H_
00032 
00033 #include <boost/thread/mutex.hpp>
00034 
00035 namespace rviz_interaction_tools
00036 {
00037 
00038 inline int getNextInt()
00039 {
00040   static int val = 0;
00041   static boost::mutex mtx;
00042 
00043   boost::mutex::scoped_lock lock ( mtx );
00044   return val++;
00045 }
00046 
00047 // on construction, acquires a unique id number
00048 // can be used to generate unique strings
00049 class UniqueStringManager
00050 {
00051 private:
00052   int val_;
00053 public:
00054   UniqueStringManager()
00055   {
00056     val_ = getNextInt();
00057   }
00058   std::string unique(std::string base)
00059   {
00060     std::stringstream ss;
00061     ss << base << "_" << val_;
00062     return ss.str();
00063   }
00064 };
00065 
00066 }
00067 
00068 #endif /* UNIQUE_STRING_MANAGER_H_ */


rviz_interaction_tools
Author(s): David Gossow
autogenerated on Mon Oct 6 2014 03:03:25