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ninja fix cql driver changes

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This commit is contained in:
Jonathan Shook 2025-02-18 21:50:02 -06:00
parent cb4553eb40
commit b2da44bd10
2 changed files with 16 additions and 14 deletions
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26
nb-adapters/adapter-cqld4/src/main/java/io/nosqlbench/datamappers/functions/geometry/NormalizeCqlVector.java
View File

@ -28,33 +28,35 @@ import java.util.List;
import java.util.function.Function;
/**
* Normalize a vector in List<Number> form, calling the appropriate conversion function
* depending on the component (Class) type of the incoming List values.
*/
Normalize a vector in List<Number> form, calling the appropriate conversion function
depending on the component (Class) type of the incoming List values. */
@ThreadSafeMapper
@Categories(Category.experimental)
public class NormalizeCqlVector implements Function<CqlVector, CqlVector> {
public class NormalizeCqlVector<N extends Number> implements Function<CqlVector<N>, CqlVector<N>> {
private final NormalizeDoubleListVector ndv = new NormalizeDoubleListVector();
private final NormalizeFloatListVector nfv = new NormalizeFloatListVector();
@Override
public CqlVector apply(CqlVector cqlVector) {
public CqlVector apply(CqlVector<N> cqlVector) {
double[] vals = new double[cqlVector.size()];
double accumulator= 0.0d;
double accumulator = 0.0d;
for (int i = 0; i < vals.length; i++) {
vals[i]=cqlVector.get(i).doubleValue();
accumulator+=vals[i]*vals[i];
vals[i] = cqlVector.get(i).doubleValue();
accumulator += vals[i] * vals[i];
}
double factor = 1.0d/Math.sqrt(Arrays.stream(vals).map(d -> d * d).sum());
double factor = 1.0d / Math.sqrt(Arrays.stream(vals).map(d -> d * d).sum());
if (cqlVector.get(0) instanceof Float) {
List<Float> list = Arrays.stream(vals).mapToObj(d -> Float.valueOf((float) (d * factor))).toList();
List<Float> list =
Arrays.stream(vals).mapToObj(d -> Float.valueOf((float) (d * factor))).toList();
return CqlVector.newInstance(list);
} else if (cqlVector.get(0) instanceof Double) {
List<Double> list = Arrays.stream(vals).mapToObj(d -> Double.valueOf((float) (d * factor))).toList();
List<Double> list =
Arrays.stream(vals).mapToObj(d -> Double.valueOf((float) (d * factor))).toList();
return CqlVector.newInstance(list);
} else {
throw new RuntimeException(NormalizeCqlVector.class.getCanonicalName()+ " only supports Double and Float type");
throw new RuntimeException(NormalizeCqlVector.class.getCanonicalName()
+ " only supports Double and Float type");
}
}
}

4
nb-adapters/adapter-cqld4/src/test/java/io/nosqlbench/datamappers/functions/geometry/NormalizeCqlVectorTest.java
View File

@ -46,9 +46,9 @@ public class NormalizeCqlVectorTest {
@Test
public void normalizeCqlVectorDoubles() {
CqlVector square = CqlVector.newInstance(1.0d, 1.0d);
CqlVector<Number> square = CqlVector.newInstance(1.0d, 1.0d);
NormalizeCqlVector nv = new NormalizeCqlVector();
CqlVector normaled = nv.apply(square);
CqlVector<Number> normaled = nv.apply(square);
assertThat(normaled.size()).isEqualTo(2);
assertThat(normaled.get(0)).isInstanceOf(Double.class);