Last change
on this file since 2043 was
1704,
checked in by yushan, 5 years ago
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Introducing the new graph functionality. Attribute build_workflow_graph=.TRUE. is used in the field definition section in the xml file to enable the workflow graph of the field and other fields referecing to it. A more detailed document will be available soon on the graph fuctionality.
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File size:
1.3 KB
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Rev | Line | |
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[637] | 1 | #include "filter.hpp" |
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| 2 | |
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| 3 | namespace xios |
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| 4 | { |
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[639] | 5 | CFilter::CFilter(CGarbageCollector& gc, size_t inputSlotsCount, IFilterEngine* engine) |
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| 6 | : CInputPin(gc, inputSlotsCount) |
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[1704] | 7 | , COutputPin(gc, false) |
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[637] | 8 | , engine(engine) |
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[827] | 9 | , inputSlotCount(inputSlotCount) |
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[637] | 10 | { /* Nothing to do */ } |
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| 11 | |
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[1704] | 12 | StdString CFilter::GetName(void) { return StdString("Filter"); } |
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| 13 | |
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[637] | 14 | void CFilter::onInputReady(std::vector<CDataPacketPtr> data) |
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| 15 | { |
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| 16 | CDataPacketPtr outputPacket = engine->apply(data); |
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| 17 | if (outputPacket) |
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[1021] | 18 | onOutputReady(outputPacket); |
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[637] | 19 | } |
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[1021] | 20 | |
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| 21 | void CFilter::setInputTrigger(size_t inputSlot, COutputPin* trigger) |
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| 22 | { |
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| 23 | // Was the filter already triggerable? If not, we need to inform |
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| 24 | // all downstream filters. |
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| 25 | bool wasTriggerable = canBeTriggered(); |
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| 26 | |
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| 27 | CInputPin::setInputTrigger(inputSlot, trigger); |
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| 28 | |
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| 29 | if (!wasTriggerable) |
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| 30 | setOutputTriggers(); |
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| 31 | } |
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| 32 | |
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| 33 | void CFilter::trigger(Time timestamp) |
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| 34 | { |
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| 35 | CInputPin::trigger(timestamp); |
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| 36 | |
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| 37 | COutputPin::trigger(timestamp); |
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| 38 | } |
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| 39 | |
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| 40 | bool CFilter::canBeTriggered() const |
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| 41 | { |
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| 42 | return (CInputPin::canBeTriggered() || COutputPin::canBeTriggered()); |
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| 43 | } |
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[1158] | 44 | |
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[1358] | 45 | bool CFilter::mustAutoTrigger() const |
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| 46 | { |
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| 47 | return COutputPin::mustAutoTrigger(); |
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| 48 | } |
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| 49 | |
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[1158] | 50 | bool CFilter::isDataExpected(const CDate& date) const |
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| 51 | { |
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| 52 | return COutputPin::isDataExpected(date); |
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| 53 | } |
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[637] | 54 | } // namespace xios |
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