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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.fielddata;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.LogByteSizeMergePolicy;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.store.RAMDirectory;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.lucene.index.ElasticsearchDirectoryReader;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.cache.bitset.BitsetFilterCache;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
import org.elasticsearch.index.mapper.BinaryFieldMapper;
import org.elasticsearch.index.mapper.ContentPath;
import org.elasticsearch.index.mapper.GeoPointFieldMapper;
import org.elasticsearch.index.mapper.KeywordFieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.Mapper.BuilderContext;
import org.elasticsearch.index.mapper.MapperService.MergeReason;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.mapper.NumberFieldMapper;
import org.elasticsearch.index.mapper.ParentFieldMapper;
import org.elasticsearch.index.mapper.TextFieldMapper;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.indices.fielddata.cache.IndicesFieldDataCache;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.InternalSettingsPlugin;
import org.junit.After;
import org.junit.Before;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.sameInstance;
public abstract class AbstractFieldDataTestCase extends ESSingleNodeTestCase {
protected IndexService indexService;
protected IndexFieldDataService ifdService;
protected MapperService mapperService;
protected IndexWriter writer;
protected List<LeafReaderContext> readerContexts = null;
protected DirectoryReader topLevelReader = null;
protected IndicesFieldDataCache indicesFieldDataCache;
protected abstract String getFieldDataType();
protected boolean hasDocValues() {
return false;
}
public <IFD extends IndexFieldData<?>> IFD getForField(String fieldName) {
return getForField(getFieldDataType(), fieldName, hasDocValues());
}
public <IFD extends IndexFieldData<?>> IFD getForField(String type, String fieldName) {
return getForField(type, fieldName, hasDocValues());
}
@Override
protected Collection<Class<? extends Plugin>> getPlugins() {
return pluginList(InternalSettingsPlugin.class);
}
public <IFD extends IndexFieldData<?>> IFD getForField(String type, String fieldName, boolean docValues) {
final MappedFieldType fieldType;
final BuilderContext context = new BuilderContext(indexService.getIndexSettings().getSettings(), new ContentPath(1));
if (type.equals("string")) {
if (docValues) {
fieldType = new KeywordFieldMapper.Builder(fieldName).build(context).fieldType();
} else {
fieldType = new TextFieldMapper.Builder(fieldName).fielddata(true).build(context).fieldType();
}
} else if (type.equals("float")) {
fieldType = new NumberFieldMapper.Builder(fieldName, NumberFieldMapper.NumberType.FLOAT)
.docValues(docValues).build(context).fieldType();
} else if (type.equals("double")) {
fieldType = new NumberFieldMapper.Builder(fieldName, NumberFieldMapper.NumberType.DOUBLE)
.docValues(docValues).build(context).fieldType();
} else if (type.equals("long")) {
fieldType = new NumberFieldMapper.Builder(fieldName, NumberFieldMapper.NumberType.LONG)
.docValues(docValues).build(context).fieldType();
} else if (type.equals("int")) {
fieldType = new NumberFieldMapper.Builder(fieldName, NumberFieldMapper.NumberType.INTEGER)
.docValues(docValues).build(context).fieldType();
} else if (type.equals("short")) {
fieldType = new NumberFieldMapper.Builder(fieldName, NumberFieldMapper.NumberType.SHORT)
.docValues(docValues).build(context).fieldType();
} else if (type.equals("byte")) {
fieldType = new NumberFieldMapper.Builder(fieldName, NumberFieldMapper.NumberType.BYTE)
.docValues(docValues).build(context).fieldType();
} else if (type.equals("geo_point")) {
fieldType = new GeoPointFieldMapper.Builder(fieldName).docValues(docValues).build(context).fieldType();
} else if (type.equals("_parent")) {
fieldType = new ParentFieldMapper.Builder("_type").type(fieldName).build(context).fieldType();
} else if (type.equals("binary")) {
fieldType = new BinaryFieldMapper.Builder(fieldName).docValues(docValues).build(context).fieldType();
} else {
throw new UnsupportedOperationException(type);
}
return ifdService.getForField(fieldType);
}
@Before
public void setup() throws Exception {
indexService = createIndex("test", Settings.builder().build());
mapperService = indexService.mapperService();
indicesFieldDataCache = getInstanceFromNode(IndicesService.class).getIndicesFieldDataCache();
ifdService = indexService.fieldData();
// LogByteSizeMP to preserve doc ID order
writer = new IndexWriter(new RAMDirectory(), new IndexWriterConfig(new StandardAnalyzer()).setMergePolicy(new LogByteSizeMergePolicy()));
}
protected final List<LeafReaderContext> refreshReader() throws Exception {
if (readerContexts != null && topLevelReader != null) {
topLevelReader.close();
}
topLevelReader = ElasticsearchDirectoryReader.wrap(DirectoryReader.open(writer), new ShardId("foo", "_na_", 1));
readerContexts = topLevelReader.leaves();
return readerContexts;
}
@Override
@After
public void tearDown() throws Exception {
super.tearDown();
if (topLevelReader != null) {
topLevelReader.close();
}
writer.close();
}
protected Nested createNested(IndexSearcher searcher, Query parentFilter, Query childFilter) throws IOException {
BitsetFilterCache s = indexService.cache().bitsetFilterCache();
return new Nested(s.getBitSetProducer(parentFilter), childFilter);
}
public void testEmpty() throws Exception {
Document d = new Document();
d.add(new StringField("field", "value", Field.Store.NO));
writer.addDocument(d);
refreshReader();
IndexFieldData fieldData = getForField("non_existing_field");
int max = randomInt(7);
for (LeafReaderContext readerContext : readerContexts) {
AtomicFieldData previous = null;
for (int i = 0; i < max; i++) {
AtomicFieldData current = fieldData.load(readerContext);
assertThat(current.ramBytesUsed(), equalTo(0L));
if (previous != null) {
assertThat(current, not(sameInstance(previous)));
}
previous = current;
}
}
}
}
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