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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.index.mapper;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.index.IndexSettings;
import java.util.List;
public class DocumentMapper {
private final String type;
private final CompressedXContent mappingSource;
private final MappingLookup mappingLookup;
private final DocumentParser documentParser;
/**
* Create a new {@link DocumentMapper} that holds empty mappings.
* @param mapperService the mapper service that holds the needed components
* @return the newly created document mapper
*/
public static DocumentMapper createEmpty(MapperService mapperService) {
RootObjectMapper root = new RootObjectMapper.Builder(MapperService.SINGLE_MAPPING_NAME, ObjectMapper.Defaults.SUBOBJECTS).build(
MapperBuilderContext.ROOT
);
MetadataFieldMapper[] metadata = mapperService.getMetadataMappers().values().toArray(new MetadataFieldMapper[0]);
Mapping mapping = new Mapping(root, metadata, null);
return new DocumentMapper(mapperService.documentParser(), mapping, mapping.toCompressedXContent());
}
DocumentMapper(DocumentParser documentParser, Mapping mapping, CompressedXContent source) {
this.documentParser = documentParser;
this.type = mapping.getRoot().name();
this.mappingLookup = MappingLookup.fromMapping(mapping);
this.mappingSource = source;
assert mapping.toCompressedXContent().equals(source)
: "provided source [" + source + "] differs from mapping [" + mapping.toCompressedXContent() + "]";
}
public Mapping mapping() {
return mappingLookup.getMapping();
}
public String type() {
return this.type;
}
public CompressedXContent mappingSource() {
return this.mappingSource;
}
public T metadataMapper(Class type) {
return mapping().getMetadataMapperByClass(type);
}
public SourceFieldMapper sourceMapper() {
return metadataMapper(SourceFieldMapper.class);
}
public RoutingFieldMapper routingFieldMapper() {
return metadataMapper(RoutingFieldMapper.class);
}
public IndexFieldMapper IndexFieldMapper() {
return metadataMapper(IndexFieldMapper.class);
}
public MappingLookup mappers() {
return this.mappingLookup;
}
public ParsedDocument parse(SourceToParse source) throws MapperParsingException {
return documentParser.parseDocument(source, mappingLookup);
}
public void validate(IndexSettings settings, boolean checkLimits) {
this.mapping().validate(this.mappingLookup);
if (settings.getIndexMetadata().isRoutingPartitionedIndex()) {
if (routingFieldMapper().required() == false) {
throw new IllegalArgumentException(
"mapping type ["
+ type()
+ "] must have routing "
+ "required for partitioned index ["
+ settings.getIndex().getName()
+ "]"
);
}
}
/*
* Build an empty source loader to validate that the mapping is compatible
* with the source loading strategy declared on the source field mapper.
*/
sourceMapper().newSourceLoader(mapping().getRoot());
settings.getMode().validateMapping(mappingLookup);
if (settings.getIndexSortConfig().hasIndexSort() && mappers().nestedLookup() != NestedLookup.EMPTY) {
throw new IllegalArgumentException("cannot have nested fields when index sort is activated");
}
List routingPaths = settings.getIndexMetadata().getRoutingPaths();
for (String path : routingPaths) {
for (String match : mappingLookup.getMatchingFieldNames(path)) {
mappingLookup.getFieldType(match).validateMatchedRoutingPath();
}
for (String objectName : mappingLookup.objectMappers().keySet()) {
// object type is not allowed in the routing paths
if (path.equals(objectName)) {
throw new IllegalArgumentException(
"All fields that match routing_path must be keywords with [time_series_dimension: true] "
+ "and without the [script] parameter. ["
+ objectName
+ "] was [object]."
);
}
}
}
if (checkLimits) {
this.mappingLookup.checkLimits(settings);
}
}
}