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bug6066: null handling, factoring commonalities for signed/unsinged

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This commit is contained in:
Axel Uhl
2024-11-07 16:47:29 +01:00
parent bc53ea4e4e
commit 9f9407da00
1 changed files with 21 additions and 7 deletions
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java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/impl/data/GPSFixWithContext.java
+21 -7
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@@ -1,11 +1,14 @@
package com.sap.sailing.datamining.impl.data;
import java.util.function.BiFunction;
import com.sap.sailing.datamining.data.HasGPSFixContext;
import com.sap.sailing.datamining.data.HasTrackedLegOfCompetitorContext;
import com.sap.sailing.domain.common.NoWindException;
import com.sap.sailing.domain.common.SpeedWithBearing;
import com.sap.sailing.domain.common.TackType;
import com.sap.sailing.domain.common.tracking.GPSFixMoving;
import com.sap.sailing.domain.tracking.TrackedLegOfCompetitor;
import com.sap.sailing.domain.tracking.TrackedRace;
import com.sap.sailing.domain.tracking.WindPositionMode;
import com.sap.sse.common.Bearing;
@@ -95,18 +98,29 @@ public class GPSFixWithContext implements HasGPSFixContext {
@Override
public Double getRelativeXTESigned() {
return getRelativeXTE(TrackedLegOfCompetitor::getSignedCrossTrackError);
}
private Double getRelativeXTE(final BiFunction<TrackedLegOfCompetitor, TimePoint, Distance> xteFunction) {
final Double result;
// The XTE is calculated relative to half the leg length
return getTrackedLegOfCompetitorContext().getTrackedLegOfCompetitor().getSignedCrossTrackError(getTimePoint())
.divide(getTrackedLegOfCompetitorContext().getTrackedLegContext().getTrackedLeg().getGreatCircleDistance(getTimePoint()))
* 2.0; // half the leg length
final Distance xte = xteFunction.apply(getTrackedLegOfCompetitorContext().getTrackedLegOfCompetitor(), getTimePoint());
if (xte == null) {
result = null;
} else {
final Distance legLength = getTrackedLegOfCompetitorContext().getTrackedLegContext().getTrackedLeg().getGreatCircleDistance(getTimePoint());
if (legLength == null) {
result = null;
} else {
result = xte.divide(legLength) * 2.0; // half the leg length
}
}
return result;
}
@Override
public Double getRelativeXTEUnsigned() {
// The XTE is calculated relative to the leg length
return getTrackedLegOfCompetitorContext().getTrackedLegOfCompetitor().getAbsoluteCrossTrackError(getTimePoint())
.divide(getTrackedLegOfCompetitorContext().getTrackedLegContext().getTrackedLeg().getGreatCircleDistance(getTimePoint()))
* 2.0; // half the leg length
return getRelativeXTE(TrackedLegOfCompetitor::getAbsoluteCrossTrackError);
}