kaivalnp commented on code in PR #14178: URL: https://github.com/apache/lucene/pull/14178#discussion_r2109774033
########## lucene/sandbox/src/java/org/apache/lucene/sandbox/codecs/faiss/FaissKnnVectorsWriter.java: ########## @@ -0,0 +1,240 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.lucene.sandbox.codecs.faiss; + +import static org.apache.lucene.sandbox.codecs.faiss.FaissKnnVectorsFormat.DATA_CODEC_NAME; +import static org.apache.lucene.sandbox.codecs.faiss.FaissKnnVectorsFormat.DATA_EXTENSION; +import static org.apache.lucene.sandbox.codecs.faiss.FaissKnnVectorsFormat.META_CODEC_NAME; +import static org.apache.lucene.sandbox.codecs.faiss.FaissKnnVectorsFormat.META_EXTENSION; +import static org.apache.lucene.sandbox.codecs.faiss.FaissKnnVectorsFormat.VERSION_CURRENT; +import static org.apache.lucene.sandbox.codecs.faiss.LibFaissC.createIndex; +import static org.apache.lucene.sandbox.codecs.faiss.LibFaissC.indexWrite; + +import java.io.IOException; +import java.lang.foreign.Arena; +import java.lang.foreign.MemorySegment; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import org.apache.lucene.codecs.CodecUtil; +import org.apache.lucene.codecs.KnnFieldVectorsWriter; +import org.apache.lucene.codecs.KnnVectorsWriter; +import org.apache.lucene.codecs.hnsw.FlatFieldVectorsWriter; +import org.apache.lucene.codecs.hnsw.FlatVectorsWriter; +import org.apache.lucene.index.FieldInfo; +import org.apache.lucene.index.FloatVectorValues; +import org.apache.lucene.index.IndexFileNames; +import org.apache.lucene.index.MergeState; +import org.apache.lucene.index.SegmentWriteState; +import org.apache.lucene.index.Sorter; +import org.apache.lucene.index.VectorSimilarityFunction; +import org.apache.lucene.search.DocIdSet; +import org.apache.lucene.store.IndexOutput; +import org.apache.lucene.util.IOUtils; +import org.apache.lucene.util.hnsw.IntToIntFunction; + +/** + * Write per-segment Faiss indexes and associated metadata. + * + * @lucene.experimental + */ +final class FaissKnnVectorsWriter extends KnnVectorsWriter { + private final String description, indexParams; + private final FlatVectorsWriter rawVectorsWriter; + private final IndexOutput meta, data; + private final Map<FieldInfo, FlatFieldVectorsWriter<?>> rawFields; + private boolean closed, finished; + + public FaissKnnVectorsWriter( + String description, + String indexParams, + SegmentWriteState state, + FlatVectorsWriter rawVectorsWriter) + throws IOException { + + this.description = description; + this.indexParams = indexParams; + this.rawVectorsWriter = rawVectorsWriter; + this.rawFields = new HashMap<>(); + this.closed = false; + this.finished = false; + + boolean failure = true; Review Comment: Ah found it (#14633) -- will follow this.. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org
