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// file : examples/cxx/hybrid/streaming/object-simpl.cxx
// copyright : not copyrighted - public domain
// Include position-simpl.hxx (which includes object-simpl.hxx)
// instead of object-simpl.hxx.
//
#include "position-simpl.hxx"
// Position measurement instrument interface.
//
struct measurements
{
float lat;
float lon;
};
measurements test_measurements [8] =
{
{-33.8569F, 18.5083F},
{-33.8568F, 18.5083F},
{-33.8568F, 18.5082F},
{-33.8570F, 18.5083F},
{-33.8569F, 18.5084F},
{-33.8570F, 18.5084F},
{-33.8570F, 18.5082F},
{-33.8569F, 18.5082F}
};
static void
measure_position (unsigned int n, float& lat, float& lon)
{
// Call the instrument to measure the position.
//
lat = test_measurements[n].lat;
lon = test_measurements[n].lon;
}
// Serializer implementation.
//
void object_simpl::
pre (const object& obj)
{
// Cache the object id and determine how many position measuremenets
// we need to take.
//
id_ = obj.id ();
count_ = 8;
}
unsigned int object_simpl::
id ()
{
return id_;
}
bool object_simpl::
position_next ()
{
return count_ > 0;
}
const position& object_simpl::
position ()
{
count_--;
measure_position (count_, cur_pos_.lat (), cur_pos_.lon ());
return cur_pos_;
}
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