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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.document.Field;
import org.apache.lucene.document.SortedSetDocValuesField;
import org.apache.lucene.index.IndexOptions;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.search.Query;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.Mapper;
import org.elasticsearch.index.mapper.MapperParsingException;
import org.elasticsearch.index.mapper.ParseContext;
import org.elasticsearch.index.mapper.StringFieldType;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import static org.elasticsearch.index.mapper.TypeParsers.parseTextField;
// Like a String mapper but with very few options. We just use it to test if highlighting on a custom string mapped field works as expected.
public class FakeStringFieldMapper extends FieldMapper {
public static final String CONTENT_TYPE = "fake_string";
public static class Defaults {
public static final MappedFieldType FIELD_TYPE = new FakeStringFieldType();
static {
FIELD_TYPE.freeze();
}
}
public static class Builder extends FieldMapper.Builder<Builder, FakeStringFieldMapper> {
public Builder(String name) {
super(name, Defaults.FIELD_TYPE, Defaults.FIELD_TYPE);
builder = this;
}
@Override
public FakeStringFieldType fieldType() {
return (FakeStringFieldType) super.fieldType();
}
@Override
public FakeStringFieldMapper build(BuilderContext context) {
setupFieldType(context);
return new FakeStringFieldMapper(
name, fieldType(), defaultFieldType,
context.indexSettings(), multiFieldsBuilder.build(this, context), copyTo);
}
}
public static class TypeParser implements Mapper.TypeParser {
public TypeParser() {
}
@Override
public Mapper.Builder parse(String fieldName, Map<String, Object> node, ParserContext parserContext) throws MapperParsingException {
FakeStringFieldMapper.Builder builder = new FakeStringFieldMapper.Builder(fieldName);
parseTextField(builder, fieldName, node, parserContext);
return builder;
}
}
public static final class FakeStringFieldType extends StringFieldType {
public FakeStringFieldType() {
}
protected FakeStringFieldType(FakeStringFieldType ref) {
super(ref);
}
public FakeStringFieldType clone() {
return new FakeStringFieldType(this);
}
@Override
public String typeName() {
return CONTENT_TYPE;
}
@Override
public Query nullValueQuery() {
if (nullValue() == null) {
return null;
}
return termQuery(nullValue(), null);
}
}
protected FakeStringFieldMapper(String simpleName, FakeStringFieldType fieldType, MappedFieldType defaultFieldType,
Settings indexSettings, MultiFields multiFields, CopyTo copyTo) {
super(simpleName, fieldType, defaultFieldType, indexSettings, multiFields, copyTo);
}
@Override
protected void parseCreateField(ParseContext context, List<IndexableField> fields) throws IOException {
String value;
if (context.externalValueSet()) {
value = context.externalValue().toString();
} else {
value = context.parser().textOrNull();
}
if (value == null) {
return;
}
if (fieldType().indexOptions() != IndexOptions.NONE || fieldType().stored()) {
Field field = new Field(fieldType().name(), value, fieldType());
fields.add(field);
}
if (fieldType().hasDocValues()) {
fields.add(new SortedSetDocValuesField(fieldType().name(), new BytesRef(value)));
}
}
@Override
protected String contentType() {
return CONTENT_TYPE;
}
@Override
protected void doMerge(Mapper mergeWith, boolean updateAllTypes) {
super.doMerge(mergeWith, updateAllTypes);
}
@Override
public FakeStringFieldType fieldType() {
return (FakeStringFieldType) super.fieldType();
}
@Override
protected void doXContentBody(XContentBuilder builder, boolean includeDefaults, Params params) throws IOException {
super.doXContentBody(builder, includeDefaults, params);
doXContentAnalyzers(builder, includeDefaults);
}
}
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