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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.core.KeywordAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.StringField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.LeafReader;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Accountable;
import org.elasticsearch.common.lucene.index.ElasticsearchDirectoryReader;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.fielddata.plain.PagedBytesAtomicFieldData;
import org.elasticsearch.index.fielddata.plain.PagedBytesIndexFieldData;
import org.elasticsearch.index.fielddata.plain.SortedNumericDVIndexFieldData;
import org.elasticsearch.index.fielddata.plain.SortedSetDVOrdinalsIndexFieldData;
import org.elasticsearch.index.mapper.ContentPath;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.Mapper.BuilderContext;
import org.elasticsearch.index.mapper.MapperBuilders;
import org.elasticsearch.index.mapper.core.BooleanFieldMapper;
import org.elasticsearch.index.mapper.core.ByteFieldMapper;
import org.elasticsearch.index.mapper.core.DoubleFieldMapper;
import org.elasticsearch.index.mapper.core.FloatFieldMapper;
import org.elasticsearch.index.mapper.core.IntegerFieldMapper;
import org.elasticsearch.index.mapper.core.LongFieldMapper;
import org.elasticsearch.index.mapper.core.ShortFieldMapper;
import org.elasticsearch.index.mapper.core.StringFieldMapper;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.indices.fielddata.cache.IndicesFieldDataCache;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.IndexSettingsModule;
import org.elasticsearch.threadpool.ThreadPool;
import java.util.Arrays;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.instanceOf;
public class IndexFieldDataServiceTests extends ESSingleNodeTestCase {
public void testGetForFieldDefaults() {
final IndexService indexService = createIndex("test");
final IndexFieldDataService ifdService = indexService.fieldData();
final BuilderContext ctx = new BuilderContext(indexService.getIndexSettings().getSettings(), new ContentPath(1));
final MappedFieldType stringMapper = new StringFieldMapper.Builder("string").tokenized(false).build(ctx).fieldType();
ifdService.clear();
IndexFieldData<?> fd = ifdService.getForField(stringMapper);
assertTrue(fd instanceof SortedSetDVOrdinalsIndexFieldData);
for (MappedFieldType mapper : Arrays.asList(
new ByteFieldMapper.Builder("int").build(ctx).fieldType(),
new ShortFieldMapper.Builder("int").build(ctx).fieldType(),
new IntegerFieldMapper.Builder("int").build(ctx).fieldType(),
new LongFieldMapper.Builder("long").build(ctx).fieldType()
)) {
ifdService.clear();
fd = ifdService.getForField(mapper);
assertTrue(fd instanceof SortedNumericDVIndexFieldData);
}
final MappedFieldType floatMapper = new FloatFieldMapper.Builder("float").build(ctx).fieldType();
ifdService.clear();
fd = ifdService.getForField(floatMapper);
assertTrue(fd instanceof SortedNumericDVIndexFieldData);
final MappedFieldType doubleMapper = new DoubleFieldMapper.Builder("double").build(ctx).fieldType();
ifdService.clear();
fd = ifdService.getForField(doubleMapper);
assertTrue(fd instanceof SortedNumericDVIndexFieldData);
}
public void testChangeFieldDataFormat() throws Exception {
final IndexService indexService = createIndex("test");
final IndexFieldDataService ifdService = indexService.fieldData();
final BuilderContext ctx = new BuilderContext(indexService.getIndexSettings().getSettings(), new ContentPath(1));
final MappedFieldType mapper1 = MapperBuilders.stringField("s").tokenized(false).docValues(true).fieldDataSettings(Settings.builder().put(FieldDataType.FORMAT_KEY, "paged_bytes").build()).build(ctx).fieldType();
final IndexWriter writer = new IndexWriter(new RAMDirectory(), new IndexWriterConfig(new KeywordAnalyzer()));
Document doc = new Document();
doc.add(new StringField("s", "thisisastring", Store.NO));
writer.addDocument(doc);
final IndexReader reader1 = DirectoryReader.open(writer, true);
IndexFieldData<?> ifd = ifdService.getForField(mapper1);
assertThat(ifd, instanceOf(PagedBytesIndexFieldData.class));
Set<LeafReader> oldSegments = Collections.newSetFromMap(new IdentityHashMap<LeafReader, Boolean>());
for (LeafReaderContext arc : reader1.leaves()) {
oldSegments.add(arc.reader());
AtomicFieldData afd = ifd.load(arc);
assertThat(afd, instanceOf(PagedBytesAtomicFieldData.class));
}
// write new segment
writer.addDocument(doc);
final IndexReader reader2 = DirectoryReader.open(writer, true);
final MappedFieldType mapper2 = MapperBuilders.stringField("s").tokenized(false).docValues(true).fieldDataSettings(Settings.builder().put(FieldDataType.FORMAT_KEY, "doc_values").build()).build(ctx).fieldType();
ifd = ifdService.getForField(mapper2);
assertThat(ifd, instanceOf(SortedSetDVOrdinalsIndexFieldData.class));
reader1.close();
reader2.close();
writer.close();
writer.getDirectory().close();
}
public void testFieldDataCacheListener() throws Exception {
final IndexService indexService = createIndex("test");
IndexFieldDataService shardPrivateService = indexService.fieldData();
// copy the ifdService since we can set the listener only once.
final IndexFieldDataService ifdService = new IndexFieldDataService(indexService.getIndexSettings(),
getInstanceFromNode(IndicesFieldDataCache.class), getInstanceFromNode(CircuitBreakerService.class), indexService.mapperService());
final BuilderContext ctx = new BuilderContext(indexService.getIndexSettings().getSettings(), new ContentPath(1));
final MappedFieldType mapper1 = MapperBuilders.stringField("s").tokenized(false).docValues(true).fieldDataSettings(Settings.builder().put(FieldDataType.FORMAT_KEY, "paged_bytes").build()).build(ctx).fieldType();
final IndexWriter writer = new IndexWriter(new RAMDirectory(), new IndexWriterConfig(new KeywordAnalyzer()));
Document doc = new Document();
doc.add(new StringField("s", "thisisastring", Store.NO));
writer.addDocument(doc);
DirectoryReader open = DirectoryReader.open(writer, true);
final boolean wrap = randomBoolean();
final IndexReader reader = wrap ? ElasticsearchDirectoryReader.wrap(open, new ShardId("test", "_na_", 1)) : open;
final AtomicInteger onCacheCalled = new AtomicInteger();
final AtomicInteger onRemovalCalled = new AtomicInteger();
ifdService.setListener(new IndexFieldDataCache.Listener() {
@Override
public void onCache(ShardId shardId, String fieldName, FieldDataType fieldDataType, Accountable ramUsage) {
if (wrap) {
assertEquals(new ShardId("test", "_na_", 1), shardId);
} else {
assertNull(shardId);
}
onCacheCalled.incrementAndGet();
}
@Override
public void onRemoval(ShardId shardId, String fieldName, FieldDataType fieldDataType, boolean wasEvicted, long sizeInBytes) {
if (wrap) {
assertEquals(new ShardId("test", "_na_", 1), shardId);
} else {
assertNull(shardId);
}
onRemovalCalled.incrementAndGet();
}
});
IndexFieldData<?> ifd = ifdService.getForField(mapper1);
LeafReaderContext leafReaderContext = reader.getContext().leaves().get(0);
AtomicFieldData load = ifd.load(leafReaderContext);
assertEquals(1, onCacheCalled.get());
assertEquals(0, onRemovalCalled.get());
reader.close();
load.close();
writer.close();
assertEquals(1, onCacheCalled.get());
assertEquals(1, onRemovalCalled.get());
ifdService.clear();
}
public void testSetCacheListenerTwice() {
final IndexService indexService = createIndex("test");
IndexFieldDataService shardPrivateService = indexService.fieldData();
try {
shardPrivateService.setListener(new IndexFieldDataCache.Listener() {
@Override
public void onCache(ShardId shardId, String fieldName, FieldDataType fieldDataType, Accountable ramUsage) {
}
@Override
public void onRemoval(ShardId shardId, String fieldName, FieldDataType fieldDataType, boolean wasEvicted, long sizeInBytes) {
}
});
fail("listener already set");
} catch (IllegalStateException ex) {
// all well
}
}
private void doTestRequireDocValues(MappedFieldType ft) {
ThreadPool threadPool = new ThreadPool("random_threadpool_name");
try {
IndicesFieldDataCache cache = new IndicesFieldDataCache(Settings.EMPTY, null, threadPool);
IndexFieldDataService ifds = new IndexFieldDataService(IndexSettingsModule.newIndexSettings("test", Settings.EMPTY), cache, null, null);
ft.setName("some_long");
ft.setHasDocValues(true);
ifds.getForField(ft); // no exception
ft.setHasDocValues(false);
try {
ifds.getForField(ft);
fail();
} catch (IllegalStateException e) {
assertThat(e.getMessage(), containsString("doc values"));
}
} finally {
threadPool.shutdown();
}
}
public void testRequireDocValuesOnLongs() {
doTestRequireDocValues(new LongFieldMapper.LongFieldType());
}
public void testRequireDocValuesOnDoubles() {
doTestRequireDocValues(new DoubleFieldMapper.DoubleFieldType());
}
public void testRequireDocValuesOnBools() {
doTestRequireDocValues(new BooleanFieldMapper.BooleanFieldType());
}
public void testDisabled() {
ThreadPool threadPool = new ThreadPool("random_threadpool_name");
StringFieldMapper.StringFieldType ft = new StringFieldMapper.StringFieldType();
try {
IndicesFieldDataCache cache = new IndicesFieldDataCache(Settings.EMPTY, null, threadPool);
IndexFieldDataService ifds = new IndexFieldDataService(IndexSettingsModule.newIndexSettings("test", Settings.EMPTY), cache, null, null);
ft.setName("some_str");
ft.setFieldDataType(new FieldDataType("string", Settings.builder().put(FieldDataType.FORMAT_KEY, "disabled").build()));
try {
ifds.getForField(ft);
fail();
} catch (IllegalStateException e) {
assertThat(e.getMessage(), containsString("Field data loading is forbidden on [some_str]"));
}
} finally {
threadPool.shutdown();
}
}
}
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