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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.standard.StandardAnalyzer;
import org.apache.lucene.index.IndexableField;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.analysis.AnalyzerScope;
import org.elasticsearch.index.analysis.IndexAnalyzers;
import org.elasticsearch.index.analysis.NamedAnalyzer;
import org.elasticsearch.index.mapper.MapperService.MergeReason;
import org.elasticsearch.index.similarity.SimilarityService;
import org.elasticsearch.indices.IndicesModule;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.IndexSettingsModule;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import static java.util.Collections.emptyList;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
public class ParentFieldMapperTests extends ESSingleNodeTestCase {
public void testParentSetInDocNotAllowed() throws Exception {
String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
.endObject().endObject().string();
DocumentMapper docMapper = createIndex("test").mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));
try {
docMapper.parse(SourceToParse.source("test", "type", "1", XContentFactory.jsonBuilder()
.startObject().field("_parent", "1122").endObject().bytes()));
fail("Expected failure to parse metadata field");
} catch (MapperParsingException e) {
assertTrue(e.getMessage(), e.getMessage().contains("Field [_parent] is a metadata field and cannot be added inside a document"));
}
}
public void testJoinFieldSet() throws Exception {
String parentMapping = XContentFactory.jsonBuilder().startObject().startObject("parent_type")
.endObject().endObject().string();
String childMapping = XContentFactory.jsonBuilder().startObject().startObject("child_type")
.startObject("_parent").field("type", "parent_type").endObject()
.endObject().endObject().string();
IndexService indexService = createIndex("test");
indexService.mapperService().merge("parent_type", new CompressedXContent(parentMapping), MergeReason.MAPPING_UPDATE, false);
indexService.mapperService().merge("child_type", new CompressedXContent(childMapping), MergeReason.MAPPING_UPDATE, false);
// Indexing parent doc:
DocumentMapper parentDocMapper = indexService.mapperService().documentMapper("parent_type");
ParsedDocument doc = parentDocMapper.parse(SourceToParse.source("test", "parent_type", "1122", new BytesArray("{}")));
assertEquals(1, getNumberOfFieldWithParentPrefix(doc.rootDoc()));
assertEquals("1122", doc.rootDoc().getBinaryValue("_parent#parent_type").utf8ToString());
// Indexing child doc:
DocumentMapper childDocMapper = indexService.mapperService().documentMapper("child_type");
doc = childDocMapper.parse(SourceToParse.source("test", "child_type", "1", new BytesArray("{}")).parent("1122"));
assertEquals(1, getNumberOfFieldWithParentPrefix(doc.rootDoc()));
assertEquals("1122", doc.rootDoc().getBinaryValue("_parent#parent_type").utf8ToString());
}
public void testJoinFieldNotSet() throws Exception {
String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
.endObject().endObject().string();
DocumentMapper docMapper = createIndex("test").mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));
ParsedDocument doc = docMapper.parse(SourceToParse.source("test", "type", "1", XContentFactory.jsonBuilder()
.startObject()
.field("x_field", "x_value")
.endObject()
.bytes()));
assertEquals(0, getNumberOfFieldWithParentPrefix(doc.rootDoc()));
}
public void testNoParentNullFieldCreatedIfNoParentSpecified() throws Exception {
Index index = new Index("_index", "testUUID");
IndexSettings indexSettings = IndexSettingsModule.newIndexSettings(index, Settings.EMPTY);
NamedAnalyzer namedAnalyzer = new NamedAnalyzer("default", AnalyzerScope.INDEX, new StandardAnalyzer());
IndexAnalyzers indexAnalyzers = new IndexAnalyzers(indexSettings, namedAnalyzer, namedAnalyzer, namedAnalyzer,
Collections.emptyMap(), Collections.emptyMap());
SimilarityService similarityService = new SimilarityService(indexSettings, Collections.emptyMap());
MapperService mapperService = new MapperService(indexSettings, indexAnalyzers, xContentRegistry(), similarityService,
new IndicesModule(emptyList()).getMapperRegistry(), () -> null);
XContentBuilder mappingSource = jsonBuilder().startObject().startObject("some_type")
.startObject("properties")
.endObject()
.endObject().endObject();
mapperService.merge("some_type", new CompressedXContent(mappingSource.string()), MergeReason.MAPPING_UPDATE, false);
Set<String> allFields = new HashSet<>(mapperService.simpleMatchToIndexNames("*"));
assertTrue(allFields.contains("_parent"));
assertFalse(allFields.contains("_parent#null"));
}
private static int getNumberOfFieldWithParentPrefix(ParseContext.Document doc) {
int numFieldWithParentPrefix = 0;
for (IndexableField field : doc) {
if (field.name().startsWith("_parent")) {
numFieldWithParentPrefix++;
}
}
return numFieldWithParentPrefix;
}
}
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