FloatVectorValues have a different interface in this Lucene version

Author: carlosdelest

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

@@ -10,7 +10,6 @@
 package org.elasticsearch.index.mapper.vectors;
 
 import org.apache.lucene.index.FloatVectorValues;
-import org.apache.lucene.index.KnnVectorValues;
 import org.apache.lucene.index.LeafReader;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.VectorSimilarityFunction;
@@ -47,18 +46,19 @@ public DoubleValues getValues(LeafReaderContext ctx, DoubleValues scores) throws
         final LeafReader reader = ctx.reader();
 
         FloatVectorValues vectorValues = reader.getFloatVectorValues(field);
-        final KnnVectorValues.DocIndexIterator iterator = vectorValues.iterator();
 
         return new DoubleValues() {
             @Override
             public double doubleValue() throws IOException {
                 vectorOpsCount++;
-                return vectorSimilarityFunction.compare(target, vectorValues.vectorValue(iterator.index()));
+                return vectorSimilarityFunction.compare(target, vectorValues.vectorValue());
             }
 
             @Override
             public boolean advanceExact(int doc) throws IOException {
-                return doc >= iterator.docID() && iterator.docID() != DocIdSetIterator.NO_MORE_DOCS && iterator.advance(doc) == doc;
+                return doc >= vectorValues.docID()
+                    && vectorValues.docID() != DocIdSetIterator.NO_MORE_DOCS
+                    && vectorValues.advance(doc) == doc;
             }
         };
     }

server/src/test/java/org/elasticsearch/search/vectors/RescoreKnnVectorQueryTests.java

@@ -17,7 +17,6 @@
 import org.apache.lucene.index.FloatVectorValues;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
-import org.apache.lucene.index.KnnVectorValues;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.VectorSimilarityFunction;
 import org.apache.lucene.search.IndexSearcher;
@@ -95,12 +94,11 @@ public void testRescoreDocs() throws Exception {
 
                 for (LeafReaderContext leafReaderContext : reader.leaves()) {
                     FloatVectorValues vectorValues = leafReaderContext.reader().getFloatVectorValues(FIELD_NAME);
-                    KnnVectorValues.DocIndexIterator iterator = vectorValues.iterator();
-                    while (iterator.nextDoc() != NO_MORE_DOCS) {
-                        float[] vectorData = vectorValues.vectorValue(iterator.docID());
+                    while (vectorValues.nextDoc() != NO_MORE_DOCS) {
+                        float[] vectorData = vectorValues.vectorValue();
                         float score = VectorSimilarityFunction.COSINE.compare(queryVector, vectorData);
                         topK.add(score);
-                        int docId = iterator.docID();
+                        int docId = vectorValues.docID();
                         // If the doc has been retrieved from the RescoreKnnVectorQuery, check the score is the same and remove it
                         // to ensure we found them all
                         if (rescoredDocs.containsKey(docId)) {