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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.fetch.subphase.highlight;
import org.apache.lucene.document.Field;
import org.apache.lucene.search.highlight.Encoder;
import org.apache.lucene.search.vectorhighlight.BoundaryScanner;
import org.apache.lucene.search.vectorhighlight.FieldFragList.WeightedFragInfo;
import org.elasticsearch.index.mapper.MappedFieldType;
/**
* Direct Subclass of Lucene's org.apache.lucene.search.vectorhighlight.SimpleFragmentsBuilder
* that corrects offsets for broken analysis chains.
*/
public class SimpleFragmentsBuilder extends org.apache.lucene.search.vectorhighlight.SimpleFragmentsBuilder {
protected final MappedFieldType fieldType;
private final boolean fixBrokenAnalysis;
public SimpleFragmentsBuilder(
MappedFieldType fieldType,
boolean fixBrokenAnalysis,
String[] preTags,
String[] postTags,
BoundaryScanner boundaryScanner
) {
super(preTags, postTags, boundaryScanner);
this.fieldType = fieldType;
this.fixBrokenAnalysis = fixBrokenAnalysis;
}
@Override
protected String makeFragment(
StringBuilder buffer,
int[] index,
Field[] values,
WeightedFragInfo fragInfo,
String[] preTags,
String[] postTags,
Encoder encoder
) {
if (fixBrokenAnalysis) {
fragInfo = FragmentBuilderHelper.fixWeightedFragInfo(fragInfo);
}
return super.makeFragment(buffer, index, values, fragInfo, preTags, postTags, encoder);
}
}