org.elasticsearch.search.fetch.subphase.highlight.HighlightUtils Maven / Gradle / Ivy
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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.search.highlight.DefaultEncoder;
import org.apache.lucene.search.highlight.Encoder;
import org.apache.lucene.search.highlight.SimpleHTMLEncoder;
import org.elasticsearch.index.fieldvisitor.CustomFieldsVisitor;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.ValueFetcher;
import org.elasticsearch.index.query.SearchExecutionContext;
import org.elasticsearch.search.fetch.FetchSubPhase;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import static java.util.Collections.singleton;
public final class HighlightUtils {
// U+2029 PARAGRAPH SEPARATOR (PS): each value holds a discrete passage for highlighting (unified highlighter)
public static final char PARAGRAPH_SEPARATOR = 8233;
public static final char NULL_SEPARATOR = '\u0000';
private HighlightUtils() {
}
/**
* Load field values for highlighting.
*/
public static List