query_results.h
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30 
39 #ifndef WAREHOUSE_ROS_QUERY_RESULTS_H
40 #define WAREHOUSE_ROS_QUERY_RESULTS_H
41 
44 #include <boost/iterator/iterator_facade.hpp>
45 
46 namespace warehouse_ros
47 {
49 {
50 public:
51  virtual bool next() = 0;
52  virtual bool hasData() const = 0;
53  virtual Metadata::ConstPtr metadata() const = 0;
54  virtual std::string message() const = 0;
55 
57 };
58 
59 template <class M>
61  : public boost::iterator_facade<ResultIterator<M>, typename MessageWithMetadata<M>::ConstPtr,
62  boost::single_pass_traversal_tag, typename MessageWithMetadata<M>::ConstPtr>
63 {
64 public:
66  ResultIterator(ResultIteratorHelper::Ptr results, bool metadata_only);
67 
69  ResultIterator(const ResultIterator& rhs);
70 
73 
75  ~ResultIterator();
76 
77  ResultIterator& operator=(const ResultIterator& other);
78 
79 private:
80  friend class boost::iterator_core_access;
81 
82  // Member functions needed to be an iterator
83  void increment();
84  typename MessageWithMetadata<M>::ConstPtr dereference() const;
85  bool equal(const ResultIterator<M>& other) const;
86 
88  const bool metadata_only_;
89 };
90 
91 template <class M>
93 {
94  typedef std::pair<ResultIterator<M>, ResultIterator<M> > range_t;
95 };
96 
97 } // namespace
98 
100 
101 #endif // include guard
virtual Metadata::ConstPtr metadata() const =0
ResultIteratorHelper::Ptr results_
Definition: query_results.h:87
virtual bool hasData() const =0
std::pair< ResultIterator< M >, ResultIterator< M > > range_t
Definition: query_results.h:94
boost::shared_ptr< ResultIteratorHelper > Ptr
Definition: query_results.h:56
virtual std::string message() const =0


warehouse_ros
Author(s): Bhaskara Marthi , Connor Brew
autogenerated on Fri Jun 7 2019 21:44:23