Java TravelTimeData类代码示例

import com.thales.ntis.subscriber.datex.TravelTimeData; //导入依赖的package包/类
private void extractTrafficDataFromElaboratedData(ElaboratedData dataItem) {

        // Location is always specified as LocationByReference (referenced to a
        // single Network Link)
        LocationByReference location = (LocationByReference) dataItem.getBasicData().getPertinentLocation();
        LOG.info("Data for Network Link: " + location.getPredefinedLocationReference().getId());

        BasicData basicData = dataItem.getBasicData();

        // Determine what class (type) of traffic data is contained in the basic
        // data
        if (TrafficSpeed.class.equals(basicData.getClass())) {
            TrafficSpeed speed = (TrafficSpeed) basicData;
            LOG.info("Average Speed: " + speed.getAverageVehicleSpeed().getSpeed());

        } else if (TravelTimeData.class.equals(basicData.getClass())) {
            TravelTimeData travelTimeData = (TravelTimeData) basicData;
            LOG.info("Travel Time: " + travelTimeData.getTravelTime().getDuration());
            LOG.info("Free Flow Travel Time: " + travelTimeData.getFreeFlowTravelTime().getDuration());
            LOG.info("Normally Expected Travel Time: " + travelTimeData.getNormallyExpectedTravelTime().getDuration());

        } else if (TrafficFlow.class.equals(basicData.getClass())) {
            TrafficFlow flow = (TrafficFlow) basicData;
            LOG.info("Traffic Flow: " + flow.getVehicleFlow().getVehicleFlowRate());

        } else if (TrafficConcentration.class.equals(basicData.getClass())) {
            TrafficConcentration concentration = (TrafficConcentration) basicData;
            LOG.info("Occupancy (%age): " + concentration.getOccupancy().getPercentage());

        } else if (TrafficHeadway.class.equals(basicData.getClass())) {
            TrafficHeadway headway = (TrafficHeadway) basicData;
            LOG.info("Headway: " + headway.getAverageTimeHeadway().getDuration());

        } else {
            LOG.error("Unexpected traffic data type contained in publication: " + dataItem.getClass().getSimpleName());
        }
    }
 

import com.thales.ntis.subscriber.datex.TravelTimeData; //导入依赖的package包/类
private void extractTravelTimesFromSiteMeasurements(SiteMeasurements siteMeasurements) {
    String anprRouteId = siteMeasurements.getMeasurementSiteReference().getId();
    // Should only be one travel time value per SiteMeasurements
    // element (index=0)
    MeasuredValue value = siteMeasurements.getMeasuredValue().get(0).getMeasuredValue();
    if (TravelTimeData.class.equals(value.getBasicData().getClass()))
    {
        TravelTimeData ttData = (TravelTimeData) value.getBasicData();
        LOG.info("Travel Time for ANPR Route " + anprRouteId + " : " + ttData.getTravelTime().getDuration() + "s");
    }
}
 

import com.thales.ntis.subscriber.datex.TravelTimeData; //导入依赖的package包/类
private void extractTrafficDataFromElaboratedData(ElaboratedData dataItem) {

        // Location is always specified as LocationByReference (referenced to a
        // single Network Link)
        LocationByReference location = (LocationByReference) dataItem.getBasicData().getPertinentLocation();
        LOG.info("Data for Network Link: " + location.getPredefinedLocationReference().getId());
        
        BasicData basicData = dataItem.getBasicData();

        // Determine what class (type) of traffic data is contained in the basic data
        if (TrafficSpeed.class.equals(basicData.getClass())) {
            TrafficSpeed speed = (TrafficSpeed)basicData;
            
            // There are 2 types of speed data - current and forecast, determined by 
            // whether a measurementOrCalculationTime element exists in the data item.
            if(speed.getMeasurementOrCalculationTime() == null) {
                LOG.info("Fused Average Speed: " + speed.getAverageVehicleSpeed().getSpeed());
                LOG.info("FVD-Only Average Speed: " + speed.getTrafficSpeedExtension().getSpeedFvdOnly().getSpeed());
            } else {
                LOG.info("Fused Average Speed (forecast for " + speed.getMeasurementOrCalculationTime().toString() + "): "
                        + speed.getAverageVehicleSpeed().getSpeed());
            }
            
        } else if (TravelTimeData.class.equals(basicData.getClass())) {
                TravelTimeData travelTimeData = (TravelTimeData)basicData;

            // There are 2 types of travel time data - current and forecast,
            // determined by whether a measurementOrCalculationTime element
            // exists in the data item.
            if (travelTimeData.getMeasurementOrCalculationTime() == null) {
                LOG.info("Travel Time: " + travelTimeData.getTravelTime().getDuration());
                LOG.info("Free Flow Travel Time: " + travelTimeData.getFreeFlowTravelTime().getDuration());
                LOG.info("Normally Expected Travel Time: " + travelTimeData.getNormallyExpectedTravelTime().getDuration());
            } else {
                LOG.info("Travel Time (forecast for " + travelTimeData.getMeasurementOrCalculationTime().toString() + "): "
                        + travelTimeData.getTravelTime().getDuration());
            }

        } else {
            LOG.error("Unexpected traffic data type contained in publication: " + dataItem.getClass().getSimpleName());
        }
    }