query_results_impl.hpp
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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.
00028  *
00029  */
00030 
00040 namespace warehouse_ros
00041 {
00042 
00043 template<class M>
00044   ResultIterator<M>::ResultIterator(ResultIteratorHelper::Ptr results, bool metadata_only) :
00045       results_(results), metadata_only_(metadata_only)
00046   {
00047     if (!results_->hasData())
00048       results_.reset();
00049   }
00050 
00051 template<class M>
00052   ResultIterator<M>::ResultIterator(const ResultIterator<M>& other) :
00053       results_(other.results_), metadata_only_(other.metadata_only_)
00054   {
00055   }
00056 
00057 template<class M>
00058   ResultIterator<M>::ResultIterator() :
00059       metadata_only_(false)
00060   {
00061   }
00062 
00063 template<class M>
00064   ResultIterator<M>::~ResultIterator()
00065   {
00066   }
00067 
00068 template<class M>
00069   ResultIterator<M>& ResultIterator<M>::operator=(const ResultIterator& other)
00070   {
00071     results_ = other.results_;
00072     metadata_only_ = other.metadata_only_;
00073     return *this;
00074   }
00075 
00076 template<class M>
00077   void ResultIterator<M>::increment()
00078   {
00079     if (!results_->next())
00080     {
00081       results_.reset();
00082     }
00083   }
00084 
00085 template<class M>
00086   typename MessageWithMetadata<M>::ConstPtr ResultIterator<M>::dereference() const
00087   {
00088     ROS_ASSERT(results_);
00089 
00090     typename MessageWithMetadata<M>::Ptr msg(new MessageWithMetadata<M>(results_->metadata()));
00091     if (!metadata_only_)
00092     {
00093       std::string str = results_->message();
00094       uint8_t* buf = (uint8_t*)str.c_str();
00095       ros::serialization::IStream istream(buf, str.size());
00096       ros::serialization::Serializer<M>::read(istream, *msg);
00097     }
00098     return msg;
00099   }
00100 
00101 template<class M>
00102   bool ResultIterator<M>::equal(const ResultIterator<M>& other) const
00103   {
00104     // Incomplete, the only case we care about is whether iter is at the end
00105     return (!results_ && !other.results_);
00106   }
00107 
00108 } // namespace


warehouse_ros
Author(s): Bhaskara Marthi , Connor Brew
autogenerated on Thu Jun 23 2016 05:36:41