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433 changes: 433 additions & 0 deletions
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...ne/backward-codecs/src/java/org/apache/lucene/backward_codecs/lucene912/package-info.java
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lucene/core/src/java/org/apache/lucene/codecs/lucene100/Lucene100Codec.java
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| /* | ||
| * 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.codecs.lucene100; | ||
|
|
||
| import java.util.Objects; | ||
| import org.apache.lucene.codecs.Codec; | ||
| import org.apache.lucene.codecs.CompoundFormat; | ||
| import org.apache.lucene.codecs.DocValuesFormat; | ||
| import org.apache.lucene.codecs.FieldInfosFormat; | ||
| import org.apache.lucene.codecs.FilterCodec; | ||
| import org.apache.lucene.codecs.KnnVectorsFormat; | ||
| import org.apache.lucene.codecs.LiveDocsFormat; | ||
| import org.apache.lucene.codecs.NormsFormat; | ||
| import org.apache.lucene.codecs.PointsFormat; | ||
| import org.apache.lucene.codecs.PostingsFormat; | ||
| import org.apache.lucene.codecs.SegmentInfoFormat; | ||
| import org.apache.lucene.codecs.StoredFieldsFormat; | ||
| import org.apache.lucene.codecs.TermVectorsFormat; | ||
| import org.apache.lucene.codecs.lucene90.Lucene90CompoundFormat; | ||
| import org.apache.lucene.codecs.lucene90.Lucene90DocValuesFormat; | ||
| import org.apache.lucene.codecs.lucene90.Lucene90LiveDocsFormat; | ||
| import org.apache.lucene.codecs.lucene90.Lucene90NormsFormat; | ||
| import org.apache.lucene.codecs.lucene90.Lucene90PointsFormat; | ||
| import org.apache.lucene.codecs.lucene90.Lucene90StoredFieldsFormat; | ||
| import org.apache.lucene.codecs.lucene90.Lucene90TermVectorsFormat; | ||
| import org.apache.lucene.codecs.lucene912.Lucene912PostingsFormat; | ||
| import org.apache.lucene.codecs.lucene94.Lucene94FieldInfosFormat; | ||
| import org.apache.lucene.codecs.lucene99.Lucene99HnswVectorsFormat; | ||
| import org.apache.lucene.codecs.lucene99.Lucene99SegmentInfoFormat; | ||
| import org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat; | ||
| import org.apache.lucene.codecs.perfield.PerFieldKnnVectorsFormat; | ||
| import org.apache.lucene.codecs.perfield.PerFieldPostingsFormat; | ||
|
|
||
| /** | ||
| * Implements the Lucene 10.0 index format | ||
| * | ||
| * <p>If you want to reuse functionality of this codec in another codec, extend {@link FilterCodec}. | ||
| * | ||
| * @see org.apache.lucene.codecs.lucene100 package documentation for file format details. | ||
| * @lucene.experimental | ||
| */ | ||
| public class Lucene100Codec extends Codec { | ||
|
|
||
| /** Configuration option for the codec. */ | ||
| public enum Mode { | ||
| /** Trade compression ratio for retrieval speed. */ | ||
| BEST_SPEED(Lucene90StoredFieldsFormat.Mode.BEST_SPEED), | ||
| /** Trade retrieval speed for compression ratio. */ | ||
| BEST_COMPRESSION(Lucene90StoredFieldsFormat.Mode.BEST_COMPRESSION); | ||
|
|
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| private final Lucene90StoredFieldsFormat.Mode storedMode; | ||
|
|
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| private Mode(Lucene90StoredFieldsFormat.Mode storedMode) { | ||
| this.storedMode = Objects.requireNonNull(storedMode); | ||
| } | ||
| } | ||
|
|
||
| private final TermVectorsFormat vectorsFormat = new Lucene90TermVectorsFormat(); | ||
| private final FieldInfosFormat fieldInfosFormat = new Lucene94FieldInfosFormat(); | ||
| private final SegmentInfoFormat segmentInfosFormat = new Lucene99SegmentInfoFormat(); | ||
| private final LiveDocsFormat liveDocsFormat = new Lucene90LiveDocsFormat(); | ||
| private final CompoundFormat compoundFormat = new Lucene90CompoundFormat(); | ||
| private final NormsFormat normsFormat = new Lucene90NormsFormat(); | ||
|
|
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| private final PostingsFormat defaultPostingsFormat; | ||
| private final PostingsFormat postingsFormat = | ||
| new PerFieldPostingsFormat() { | ||
| @Override | ||
| public PostingsFormat getPostingsFormatForField(String field) { | ||
| return Lucene100Codec.this.getPostingsFormatForField(field); | ||
| } | ||
| }; | ||
|
|
||
| private final DocValuesFormat defaultDVFormat; | ||
| private final DocValuesFormat docValuesFormat = | ||
| new PerFieldDocValuesFormat() { | ||
| @Override | ||
| public DocValuesFormat getDocValuesFormatForField(String field) { | ||
| return Lucene100Codec.this.getDocValuesFormatForField(field); | ||
| } | ||
| }; | ||
|
|
||
| private final KnnVectorsFormat defaultKnnVectorsFormat; | ||
| private final KnnVectorsFormat knnVectorsFormat = | ||
| new PerFieldKnnVectorsFormat() { | ||
| @Override | ||
| public KnnVectorsFormat getKnnVectorsFormatForField(String field) { | ||
| return Lucene100Codec.this.getKnnVectorsFormatForField(field); | ||
| } | ||
| }; | ||
|
|
||
| private final StoredFieldsFormat storedFieldsFormat; | ||
|
|
||
| /** Instantiates a new codec. */ | ||
| public Lucene100Codec() { | ||
| this(Mode.BEST_SPEED); | ||
| } | ||
|
|
||
| /** | ||
| * Instantiates a new codec, specifying the stored fields compression mode to use. | ||
| * | ||
| * @param mode stored fields compression mode to use for newly flushed/merged segments. | ||
| */ | ||
| public Lucene100Codec(Mode mode) { | ||
| super("Lucene100"); | ||
| this.storedFieldsFormat = | ||
| new Lucene90StoredFieldsFormat(Objects.requireNonNull(mode).storedMode); | ||
| this.defaultPostingsFormat = new Lucene912PostingsFormat(); | ||
| this.defaultDVFormat = new Lucene90DocValuesFormat(); | ||
| this.defaultKnnVectorsFormat = new Lucene99HnswVectorsFormat(); | ||
| } | ||
|
|
||
| @Override | ||
| public final StoredFieldsFormat storedFieldsFormat() { | ||
| return storedFieldsFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final TermVectorsFormat termVectorsFormat() { | ||
| return vectorsFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final PostingsFormat postingsFormat() { | ||
| return postingsFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final FieldInfosFormat fieldInfosFormat() { | ||
| return fieldInfosFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final SegmentInfoFormat segmentInfoFormat() { | ||
| return segmentInfosFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final LiveDocsFormat liveDocsFormat() { | ||
| return liveDocsFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final CompoundFormat compoundFormat() { | ||
| return compoundFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final PointsFormat pointsFormat() { | ||
| return new Lucene90PointsFormat(); | ||
| } | ||
|
|
||
| @Override | ||
| public final KnnVectorsFormat knnVectorsFormat() { | ||
| return knnVectorsFormat; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the postings format that should be used for writing new segments of <code>field</code>. | ||
| * | ||
| * <p>The default implementation always returns "Lucene912". | ||
| * | ||
| * <p><b>WARNING:</b> if you subclass, you are responsible for index backwards compatibility: | ||
| * future version of Lucene are only guaranteed to be able to read the default implementation, | ||
| */ | ||
| public PostingsFormat getPostingsFormatForField(String field) { | ||
| return defaultPostingsFormat; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the docvalues format that should be used for writing new segments of <code>field</code> | ||
| * . | ||
| * | ||
| * <p>The default implementation always returns "Lucene90". | ||
| * | ||
| * <p><b>WARNING:</b> if you subclass, you are responsible for index backwards compatibility: | ||
| * future version of Lucene are only guaranteed to be able to read the default implementation. | ||
| */ | ||
| public DocValuesFormat getDocValuesFormatForField(String field) { | ||
| return defaultDVFormat; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the vectors format that should be used for writing new segments of <code>field</code> | ||
| * | ||
| * <p>The default implementation always returns "Lucene99HnswVectorsFormat". | ||
| * | ||
| * <p><b>WARNING:</b> if you subclass, you are responsible for index backwards compatibility: | ||
| * future version of Lucene are only guaranteed to be able to read the default implementation. | ||
| */ | ||
| public KnnVectorsFormat getKnnVectorsFormatForField(String field) { | ||
| return defaultKnnVectorsFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final DocValuesFormat docValuesFormat() { | ||
| return docValuesFormat; | ||
| } | ||
|
|
||
| @Override | ||
| public final NormsFormat normsFormat() { | ||
| return normsFormat; | ||
| } | ||
| } |
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