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/*
* Licensed to ElasticSearch and Shay Banon 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 com.google.common.collect.ImmutableMap;
import org.apache.lucene.index.IndexReader;
import org.elasticsearch.ElasticSearchIllegalArgumentException;
import org.elasticsearch.common.collect.MapBuilder;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.ConcurrentCollections;
import org.elasticsearch.index.AbstractIndexComponent;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.fielddata.plain.*;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.index.settings.IndexSettings;
import org.elasticsearch.indices.fielddata.cache.IndicesFieldDataCache;
import java.util.concurrent.ConcurrentMap;
/**
*/
public class IndexFieldDataService extends AbstractIndexComponent {
private final static ImmutableMap buildersByType;
private final static ImmutableMap, IndexFieldData.Builder> buildersByTypeAndFormat;
static {
buildersByType = MapBuilder.newMapBuilder()
.put("string", new PagedBytesIndexFieldData.Builder())
.put("float", new FloatArrayIndexFieldData.Builder())
.put("double", new DoubleArrayIndexFieldData.Builder())
.put("byte", new ByteArrayIndexFieldData.Builder())
.put("short", new ShortArrayIndexFieldData.Builder())
.put("int", new IntArrayIndexFieldData.Builder())
.put("long", new LongArrayIndexFieldData.Builder())
.put("geo_point", new GeoPointDoubleArrayIndexFieldData.Builder())
.immutableMap();
buildersByTypeAndFormat = MapBuilder., IndexFieldData.Builder>newMapBuilder()
.put(Tuple.tuple("string", "paged_bytes"), new PagedBytesIndexFieldData.Builder())
.put(Tuple.tuple("string", "fst"), new FSTBytesIndexFieldData.Builder())
.put(Tuple.tuple("float", "array"), new FloatArrayIndexFieldData.Builder())
.put(Tuple.tuple("double", "array"), new DoubleArrayIndexFieldData.Builder())
.put(Tuple.tuple("byte", "array"), new ByteArrayIndexFieldData.Builder())
.put(Tuple.tuple("short", "array"), new ShortArrayIndexFieldData.Builder())
.put(Tuple.tuple("int", "array"), new IntArrayIndexFieldData.Builder())
.put(Tuple.tuple("long", "array"), new LongArrayIndexFieldData.Builder())
.put(Tuple.tuple("geo_point", "array"), new GeoPointDoubleArrayIndexFieldData.Builder())
.immutableMap();
}
private final IndicesFieldDataCache indicesFieldDataCache;
private final ConcurrentMap loadedFieldData = ConcurrentCollections.newConcurrentMap();
IndexService indexService;
public IndexFieldDataService(Index index) {
this(index, ImmutableSettings.Builder.EMPTY_SETTINGS, new IndicesFieldDataCache(ImmutableSettings.Builder.EMPTY_SETTINGS));
}
@Inject
public IndexFieldDataService(Index index, @IndexSettings Settings indexSettings, IndicesFieldDataCache indicesFieldDataCache) {
super(index, indexSettings);
this.indicesFieldDataCache = indicesFieldDataCache;
}
// we need to "inject" the index service to not create cyclic dep
public void setIndexService(IndexService indexService) {
this.indexService = indexService;
}
public void clear() {
synchronized (loadedFieldData) {
for (IndexFieldData fieldData : loadedFieldData.values()) {
fieldData.clear();
}
loadedFieldData.clear();
}
}
public void clearField(String fieldName) {
synchronized (loadedFieldData) {
IndexFieldData fieldData = loadedFieldData.remove(fieldName);
if (fieldData != null) {
fieldData.clear();
}
}
}
public void clear(IndexReader reader) {
for (IndexFieldData indexFieldData : loadedFieldData.values()) {
indexFieldData.clear(reader);
}
}
public IFD getForField(FieldMapper mapper) {
return getForField(mapper.names(), mapper.fieldDataType());
}
public IFD getForField(FieldMapper.Names fieldNames, FieldDataType type) {
IndexFieldData fieldData = loadedFieldData.get(fieldNames.indexName());
if (fieldData == null) {
synchronized (loadedFieldData) {
fieldData = loadedFieldData.get(fieldNames.indexName());
if (fieldData == null) {
IndexFieldData.Builder builder = null;
String format = type.getSettings().get("format", indexSettings.get("index.fielddata.type." + type.getType() + ".format", null));
if (format != null) {
builder = buildersByTypeAndFormat.get(Tuple.tuple(type.getType(), format));
if (builder == null) {
logger.warn("failed to find format [" + format + "] for field [" + fieldNames.fullName() + "], will use default");
}
}
if (builder == null) {
builder = buildersByType.get(type.getType());
}
if (builder == null) {
throw new ElasticSearchIllegalArgumentException("failed to find field data builder for field " + fieldNames.fullName() + ", and type " + type.getType());
}
IndexFieldDataCache cache;
// we default to node level cache, which in turn defaults to be unbounded
// this means changing the node level settings is simple, just set the bounds there
String cacheType = type.getSettings().get("cache", indexSettings.get("index.fielddata.cache", "node"));
if ("resident".equals(cacheType)) {
cache = new IndexFieldDataCache.Resident(indexService, fieldNames, type);
} else if ("soft".equals(cacheType)) {
cache = new IndexFieldDataCache.Soft(indexService, fieldNames, type);
} else if ("node".equals(cacheType)) {
cache = indicesFieldDataCache.buildIndexFieldDataCache(indexService, index, fieldNames, type);
} else {
throw new ElasticSearchIllegalArgumentException("cache type not supported [" + cacheType + "] for field [" + fieldNames.fullName() + "]");
}
fieldData = builder.build(index, indexSettings, fieldNames, type, cache);
loadedFieldData.put(fieldNames.indexName(), fieldData);
}
}
}
return (IFD) fieldData;
}
}
