[643] | 1 | #ifndef __XIOS_CTemporalFilter__ |
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| 2 | #define __XIOS_CTemporalFilter__ |
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| 3 | |
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| 4 | #include "filter.hpp" |
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| 5 | #include <boost/smart_ptr/scoped_ptr.hpp> |
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| 6 | #include "functor.hpp" |
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| 7 | #include "array_new.hpp" |
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| 8 | |
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| 9 | namespace xios |
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| 10 | { |
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| 11 | /*! |
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| 12 | * A generic temporal filter with one input slot wrapping any type of temporal operation. |
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| 13 | */ |
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| 14 | class CTemporalFilter : public CFilter, public IFilterEngine |
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| 15 | { |
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| 16 | public: |
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| 17 | /*! |
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| 18 | * Constructs a temporal filter wrapping the specified temporal operation. |
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| 19 | * |
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| 20 | * \param gc the associated garbage collector |
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| 21 | * \param opId the string identifying the temporal operation |
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| 22 | * \param initDate the origin of time |
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| 23 | * \param samplingFreq the sampling frequency, i.e. the frequency at which the input data will be used |
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| 24 | * \param samplingOffset the sampling offset, i.e. the offset after which the input data will be used |
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| 25 | * \param opFreq the operation frequency, i.e. the frequency at which the output data will be computed |
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| 26 | * \param ignoreMissingValue true if and only if the missing value must be ignored |
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| 27 | when doing the operation |
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| 28 | * \param missingValue the missing value |
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| 29 | */ |
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| 30 | CTemporalFilter(CGarbageCollector& gc, const std::string& opId, |
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| 31 | const CDate& initDate, const CDuration samplingFreq, const CDuration samplingOffset, const CDuration opFreq, |
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| 32 | bool ignoreMissingValue = false, double missingValue = 0.0); |
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| 33 | |
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| 34 | /*! |
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| 35 | * Applies the temporal operation to the input data and returns the result when it is ready. |
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| 36 | * |
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| 37 | * \param data a vector of packets corresponding to each slot (one in this case) |
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| 38 | * \return the result of the temporal operation or null if it is not ready yet |
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| 39 | */ |
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| 40 | CDataPacketPtr virtual apply(std::vector<CDataPacketPtr> data); |
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| 41 | |
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[1158] | 42 | /*! |
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| 43 | * Tests whether data is expected for the specified date. |
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| 44 | * |
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| 45 | * \param date the date associated to the data |
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| 46 | */ |
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| 47 | bool virtual isDataExpected(const CDate& date) const; |
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| 48 | |
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[643] | 49 | private: |
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[1201] | 50 | // Warning the declaration order matters here, double-check the constructor before changing it |
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| 51 | CArray<double, 1> tmpData; //!< The array of data used for temporary storage |
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[1158] | 52 | const boost::scoped_ptr<func::CFunctor> functor; //!< The functor corresponding to the temporal operation |
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[1201] | 53 | const bool isOnceOperation; //!< True if the operation should be computed just once |
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| 54 | const bool isInstantOperation; //!< True if the operation is instant |
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[643] | 55 | const CDuration samplingFreq; //!< The sampling frequency, i.e. the frequency at which the input data will be used |
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[1158] | 56 | const CDuration samplingOffset; //!< The sampling offset, i.e. the offset after which the input data will be used |
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[643] | 57 | const CDuration opFreq; //!< The operation frequency, i.e. the frequency at which the output data will be computed |
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| 58 | CDate nextSamplingDate; //!< The date of the next sampling |
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| 59 | CDate nextOperationDate; //!< The date of the next operation |
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| 60 | bool isFirstOperation; //!< True before the first operation was been computed |
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| 61 | }; // class CTemporalFilter |
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| 62 | } // namespace xios |
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| 63 | |
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| 64 | #endif //__XIOS_CTemporalFilter__ |
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