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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.mapper;
import org.apache.lucene.analysis.Analyzer;
import org.elasticsearch.common.collect.CopyOnWriteHashMap;
import org.elasticsearch.common.regex.Regex;
import org.elasticsearch.index.analysis.AnalysisService;
import org.elasticsearch.index.analysis.FieldNameAnalyzer;
import java.util.AbstractMap;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
/**
*
*/
public final class DocumentFieldMappers implements Iterable<FieldMapper> {
/** Full field name to mapper */
private final CopyOnWriteHashMap<String, FieldMapper> fieldMappers;
private final FieldNameAnalyzer indexAnalyzer;
private final FieldNameAnalyzer searchAnalyzer;
private final FieldNameAnalyzer searchQuoteAnalyzer;
public DocumentFieldMappers(AnalysisService analysisService) {
this(new CopyOnWriteHashMap<String, FieldMapper>(),
new FieldNameAnalyzer(analysisService.defaultIndexAnalyzer()),
new FieldNameAnalyzer(analysisService.defaultSearchAnalyzer()),
new FieldNameAnalyzer(analysisService.defaultSearchQuoteAnalyzer()));
}
private DocumentFieldMappers(CopyOnWriteHashMap<String, FieldMapper> fieldMappers, FieldNameAnalyzer indexAnalyzer, FieldNameAnalyzer searchAnalyzer, FieldNameAnalyzer searchQuoteAnalyzer) {
this.fieldMappers = fieldMappers;
this.indexAnalyzer = indexAnalyzer;
this.searchAnalyzer = searchAnalyzer;
this.searchQuoteAnalyzer = searchQuoteAnalyzer;
}
public DocumentFieldMappers copyAndAllAll(Collection<FieldMapper> newMappers) {
CopyOnWriteHashMap<String, FieldMapper> map = this.fieldMappers;
for (FieldMapper fieldMapper : newMappers) {
map = map.copyAndPut(fieldMapper.fieldType().names().fullName(), fieldMapper);
}
FieldNameAnalyzer indexAnalyzer = this.indexAnalyzer.copyAndAddAll(newMappers.stream().map((input) ->
new AbstractMap.SimpleImmutableEntry<>(input.fieldType().names().indexName(), (Analyzer)input.fieldType().indexAnalyzer())
));
FieldNameAnalyzer searchAnalyzer = this.searchAnalyzer.copyAndAddAll(newMappers.stream().map((input) ->
new AbstractMap.SimpleImmutableEntry<>(input.fieldType().names().indexName(), (Analyzer)input.fieldType().searchAnalyzer())
));
FieldNameAnalyzer searchQuoteAnalyzer = this.searchQuoteAnalyzer.copyAndAddAll(newMappers.stream().map((input) ->
new AbstractMap.SimpleImmutableEntry<>(input.fieldType().names().indexName(), (Analyzer) input.fieldType().searchQuoteAnalyzer())
));
return new DocumentFieldMappers(map,indexAnalyzer,searchAnalyzer,searchQuoteAnalyzer);
}
/** Returns the mapper for the given field */
public FieldMapper getMapper(String field) {
return fieldMappers.get(field);
}
public Collection<String> simpleMatchToFullName(String pattern) {
Set<String> fields = new HashSet<>();
for (FieldMapper fieldMapper : this) {
if (Regex.simpleMatch(pattern, fieldMapper.fieldType().names().fullName())) {
fields.add(fieldMapper.fieldType().names().fullName());
} else if (Regex.simpleMatch(pattern, fieldMapper.fieldType().names().indexName())) {
fields.add(fieldMapper.fieldType().names().fullName());
}
}
return fields;
}
public FieldMapper smartNameFieldMapper(String name) {
FieldMapper fieldMapper = getMapper(name);
if (fieldMapper != null) {
return fieldMapper;
}
for (FieldMapper otherFieldMapper : this) {
if (otherFieldMapper.fieldType().names().indexName().equals(name)) {
return otherFieldMapper;
}
}
return null;
}
/**
* A smart analyzer used for indexing that takes into account specific analyzers configured
* per {@link FieldMapper}.
*/
public Analyzer indexAnalyzer() {
return this.indexAnalyzer;
}
/**
* A smart analyzer used for indexing that takes into account specific analyzers configured
* per {@link FieldMapper} with a custom default analyzer for no explicit field analyzer.
*/
public Analyzer indexAnalyzer(Analyzer defaultAnalyzer) {
return new FieldNameAnalyzer(indexAnalyzer.analyzers(), defaultAnalyzer);
}
/**
* A smart analyzer used for searching that takes into account specific analyzers configured
* per {@link FieldMapper}.
*/
public Analyzer searchAnalyzer() {
return this.searchAnalyzer;
}
public Analyzer searchQuoteAnalyzer() {
return this.searchQuoteAnalyzer;
}
public Iterator<FieldMapper> iterator() {
return fieldMappers.values().iterator();
}
}
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