message_collection.h
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00001 /*
00002  * Copyright (c) 2008, 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.
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00029  */
00030 
00039 #ifndef MONGO_ROS_MESSAGE_COLLECTION_H
00040 #define MONGO_ROS_MESSAGE_COLLECTION_H
00041 
00042 #include <mongo_ros/query_results.h>
00043 #include <ros/ros.h>
00044 
00045 namespace mongo_ros
00046 {
00047 
00051 template <class M>
00052 class MessageCollection
00053 {
00054 public:
00055 
00064   MessageCollection (const std::string& db_name,
00065                      const std::string& collection_name,
00066                      const std::string& db_host="",
00067                      unsigned db_port=0,
00068                      float timeout=300.0);
00069 
00078   void insert (const M& msg, const Metadata& metadata = Metadata());
00079 
00084   typename QueryResults<M>::range_t
00085   queryResults (const mongo::Query& query, bool metadata_only = false,
00086                 const std::string& sort_by = "", bool ascending=true) const;
00087 
00090   std::vector<typename MessageWithMetadata<M>::ConstPtr >
00091   pullAllResults (const mongo::Query& query, bool metadata_only = false,
00092                   const std::string& sort_by = "", bool ascending=true) const;
00093 
00094   
00098   typename MessageWithMetadata<M>::ConstPtr
00099   findOne (const Query& query, bool metadata_only = false) const;
00100 
00102   unsigned removeMessages (const mongo::Query& query);
00103 
00106   MessageCollection& ensureIndex (const std::string& field);
00107   
00112   void modifyMetadata (const Query& q, const Metadata& m);
00113 
00115   unsigned count ();
00116 
00119   bool md5SumMatches () const;
00120   
00121 private:
00122 
00123   // Called by constructors
00124   void initialize (const std::string& db, const std::string& coll,
00125                    const std::string& host, unsigned port,
00126                    float timeout);
00127 
00128   const std::string ns_;
00129   boost::shared_ptr<mongo::DBClientConnection> conn_;
00130   boost::shared_ptr<mongo::GridFS> gfs_;
00131   bool md5sum_matches_;
00132   ros::NodeHandle nh_;
00133   ros::Publisher insertion_pub_;
00134 };
00135 
00136 
00137 } // namespace
00138 
00139 #include "impl/message_collection_impl.hpp"
00140 
00141 #endif // include guard


warehouse_ros
Author(s): Bhaskara Marthi
autogenerated on Fri Apr 22 2016 04:08:50