1 | #include "temporal_filter.hpp" |
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2 | #include "functor_type.hpp" |
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3 | #include "calendar_util.hpp" |
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4 | |
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5 | namespace xios |
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6 | { |
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7 | CTemporalFilter::CTemporalFilter(CGarbageCollector& gc, const std::string& opId, |
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8 | const CDate& initDate, const CDuration samplingFreq, const CDuration samplingOffset, const CDuration opFreq, |
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9 | bool ignoreMissingValue /*= false*/, double missingValue /*= 0.0*/) |
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10 | : CFilter(gc, 1, this) |
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11 | , samplingFreq(samplingFreq) |
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12 | , opFreq(opFreq) |
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13 | , nextSamplingDate(initDate + samplingOffset + initDate.getRelCalendar().getTimeStep()) |
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14 | , nextOperationDate(initDate + opFreq) |
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15 | , isFirstOperation(true) |
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16 | { |
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17 | #define DECLARE_FUNCTOR(MType, mtype) \ |
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18 | if (opId.compare(#mtype) == 0) \ |
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19 | { \ |
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20 | if (ignoreMissingValue) \ |
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21 | { \ |
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22 | functor.reset(new func::C##MType(tmpData, missingValue)); \ |
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23 | } \ |
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24 | else \ |
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25 | { \ |
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26 | functor.reset(new func::C##MType(tmpData)); \ |
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27 | } \ |
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28 | } |
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29 | |
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30 | #include "functor_type.conf" |
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31 | |
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32 | if (!functor) |
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33 | ERROR("CTemporalFilter::CTemporalFilter(CGarbageCollector& gc, const std::string& opId, ...)", |
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34 | << "\"" << opId << "\" is not a valid operation."); |
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35 | |
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36 | isOnceOperation = (functor->timeType() == func::CFunctor::once); |
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37 | } |
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38 | |
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39 | CDataPacketPtr CTemporalFilter::apply(std::vector<CDataPacketPtr> data) |
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40 | { |
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41 | CDataPacketPtr packet; |
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42 | |
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43 | if (data[0]->status != CDataPacket::END_OF_STREAM) |
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44 | { |
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45 | const bool usePacket = isOnceOperation ? isFirstOperation : (data[0]->date >= nextSamplingDate); |
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46 | if (usePacket) |
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47 | { |
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48 | if (!tmpData.numElements()) |
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49 | tmpData.resize(data[0]->data.numElements()); |
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50 | |
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51 | (*functor)(data[0]->data); |
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52 | |
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53 | nextSamplingDate = nextSamplingDate + samplingFreq; |
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54 | } |
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55 | |
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56 | const bool outputResult = isOnceOperation ? isFirstOperation : (data[0]->date + samplingFreq > nextOperationDate); |
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57 | if (outputResult) |
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58 | { |
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59 | functor->final(); |
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60 | |
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61 | packet = CDataPacketPtr(new CDataPacket); |
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62 | packet->date = data[0]->date; |
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63 | packet->timestamp = data[0]->timestamp; |
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64 | packet->status = data[0]->status; |
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65 | packet->data.resize(tmpData.numElements()); |
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66 | packet->data = tmpData; |
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67 | |
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68 | isFirstOperation = false; |
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69 | nextOperationDate = nextOperationDate + samplingFreq + opFreq - samplingFreq; |
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70 | } |
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71 | } |
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72 | |
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73 | return packet; |
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74 | } |
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75 | } // namespace xios |
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