Apply suggestions from code review

Co-authored-by: Benjamin Trent <[email protected]>

Author: carlosdelest

server/src/main/java/org/elasticsearch/index/mapper/vectors/VectorSimilarityFloatValueSource.java

@@ -89,13 +89,13 @@ public boolean equals(Object o) {
         if (o == null || getClass() != o.getClass()) return false;
         VectorSimilarityFloatValueSource that = (VectorSimilarityFloatValueSource) o;
         return Objects.equals(field, that.field)
-            && Objects.deepEquals(target, that.target)
+            && Arrays.equals(target, that.target)
             && vectorSimilarityFunction == that.vectorSimilarityFunction;
     }
 
     @Override
     public String toString() {
-        return "VectorSimilarityFloatValueSource(" + field + ", " + Arrays.toString(target) + ", " + vectorSimilarityFunction + ")";
+        return "VectorSimilarityFloatValueSource(" + field + ", [" + target[0] + ",...], " + vectorSimilarityFunction + ")";
     }
 
     @Override

server/src/main/java/org/elasticsearch/search/vectors/RescoreKnnVectorQuery.java

@@ -109,7 +109,7 @@ public boolean equals(Object o) {
         if (o == null || getClass() != o.getClass()) return false;
         RescoreKnnVectorQuery that = (RescoreKnnVectorQuery) o;
         return Objects.equals(fieldName, that.fieldName)
-            && Objects.deepEquals(floatTarget, that.floatTarget)
+            && Arrays.equals(floatTarget, that.floatTarget)
             && vectorSimilarityFunction == that.vectorSimilarityFunction
             && Objects.equals(k, that.k)
             && Objects.equals(innerQuery, that.innerQuery);

server/src/main/java/org/elasticsearch/search/vectors/RescoreVectorBuilder.java

@@ -37,7 +37,7 @@ public class RescoreVectorBuilder implements Writeable, ToXContentObject {
     // Oversample is required as of now as it is the only field in the rescore vector
     private final float numCandidatesFactor;
 
-    public RescoreVectorBuilder(Float numCandidatesFactor) {
+    public RescoreVectorBuilder(float numCandidatesFactor) {
         Objects.requireNonNull(numCandidatesFactor, "[" + NUM_CANDIDATES_FACTOR_FIELD.getPreferredName() + "] must be set");
         if (numCandidatesFactor < MIN_OVERSAMPLE) {
             throw new IllegalArgumentException("[" + NUM_CANDIDATES_FACTOR_FIELD.getPreferredName() + "] must be >= " + MIN_OVERSAMPLE);
@@ -79,7 +79,7 @@ public int hashCode() {
         return Objects.hashCode(numCandidatesFactor);
     }
 
-    public Float numCandidatesFactor() {
+    public float numCandidatesFactor() {
         return numCandidatesFactor;
     }
 }