| 1 | #ifndef __XIOS_CSourceFilter__ |
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| 2 | #define __XIOS_CSourceFilter__ |
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| 3 | |
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| 4 | #include <map> |
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| 5 | |
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| 6 | #include "output_pin.hpp" |
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| 7 | |
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| 8 | namespace xios |
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| 9 | { |
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| 10 | class CGrid; |
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| 11 | |
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| 12 | /*! |
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| 13 | * A source filter is the entry point of the data in the graph of filters. |
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| 14 | */ |
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| 15 | class CSourceFilter : public COutputPin |
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| 16 | { |
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| 17 | public: |
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| 18 | /*! |
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| 19 | * Constructs a source filter accepting data attached to the specified grid. |
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| 20 | * |
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| 21 | * \param gc the garbage collector associated with this filter |
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| 22 | * \param grid the grid to which the data is attached |
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| 23 | * \param offset the offset applied to the timestamp of all packets |
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| 24 | * \param manualTrigger whether the output should be triggered manually |
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| 25 | * \param hasMissingValue whether data has missing value |
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| 26 | * \param defaultValue missing value to detect |
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| 27 | */ |
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| 28 | CSourceFilter(CGarbageCollector& gc, CGrid* grid, |
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| 29 | bool compression=true, |
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| 30 | const CDuration offset = NoneDu, bool manualTrigger = false, |
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| 31 | bool hasMissingValue = false, |
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| 32 | double defaultValue = 0.0); |
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| 33 | |
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| 34 | /*! |
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| 35 | * Transforms the data received from the model into a packet and send it |
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| 36 | * in the filter graph. The array containing the data can safely be reused |
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| 37 | * immediately after this method returns. |
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| 38 | * |
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| 39 | * \param date the date associated to the data |
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| 40 | * \param data an array containing the data |
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| 41 | */ |
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| 42 | template <int N> |
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| 43 | void streamData(CDate date, const CArray<double, N>& data); |
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| 44 | |
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| 45 | /*! |
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| 46 | * Transforms the data received from the server into a packet and send it |
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| 47 | * in the filter graph. The array containing the data can safely be reused |
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| 48 | * immediately after this method returns. |
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| 49 | * |
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| 50 | * \param date the date associated to the data |
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| 51 | * \param data an array containing the data |
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| 52 | */ |
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| 53 | void streamDataFromServer(CDate date, const std::map<int, CArray<double, 1> >& data); |
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| 54 | |
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| 55 | /*! |
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| 56 | * Signals the filter graph that the end of stream was reached. |
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| 57 | * |
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| 58 | * \param date the date at which the end of stream occurred |
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| 59 | */ |
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| 60 | void signalEndOfStream(CDate date); |
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| 61 | |
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| 62 | private: |
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| 63 | CGrid* grid; //!< The grid attached to the data the filter can accept |
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| 64 | const CDuration offset; //!< The offset applied to the timestamp of all packets |
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| 65 | const bool hasMissingValue; |
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| 66 | const double defaultValue; |
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| 67 | const bool compression ; //!< indicate if the data need to be compressed : on client size : true, on server side : false |
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| 68 | }; // class CSourceFilter |
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| 69 | } // namespace xios |
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| 70 | |
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| 71 | #endif //__XIOS_CSourceFilter__ |
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