org.elasticsearch.index.fielddata.plain.DocValuesIndexFieldData Maven / Gradle / Ivy
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* 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,
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package org.elasticsearch.index.fielddata.plain;
import com.google.common.collect.ImmutableSet;
import org.apache.lucene.index.IndexReader;
import org.elasticsearch.Version;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.fielddata.FieldDataType;
import org.elasticsearch.index.fielddata.IndexFieldData;
import org.elasticsearch.index.fielddata.IndexFieldDataCache;
import org.elasticsearch.index.fielddata.IndexNumericFieldData.NumericType;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.MappedFieldType.Names;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.mapper.internal.IdFieldMapper;
import org.elasticsearch.index.mapper.internal.TimestampFieldMapper;
import org.elasticsearch.index.mapper.internal.UidFieldMapper;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import java.util.Map;
import java.util.Set;
/** {@link IndexFieldData} impl based on Lucene's doc values. Caching is done on the Lucene side. */
public abstract class DocValuesIndexFieldData {
protected final Index index;
protected final Names fieldNames;
protected final FieldDataType fieldDataType;
protected final ESLogger logger;
public DocValuesIndexFieldData(Index index, Names fieldNames, FieldDataType fieldDataType) {
super();
this.index = index;
this.fieldNames = fieldNames;
this.fieldDataType = fieldDataType;
this.logger = Loggers.getLogger(getClass());
}
public final Names getFieldNames() {
return fieldNames;
}
public final FieldDataType getFieldDataType() {
return fieldDataType;
}
public final void clear() {
// can't do
}
public final void clear(IndexReader reader) {
// can't do
}
public final Index index() {
return index;
}
public static class Builder implements IndexFieldData.Builder {
private static final Set BINARY_INDEX_FIELD_NAMES = ImmutableSet.of(UidFieldMapper.NAME, IdFieldMapper.NAME);
private static final Set NUMERIC_INDEX_FIELD_NAMES = ImmutableSet.of(TimestampFieldMapper.NAME);
private NumericType numericType;
public Builder numericType(NumericType type) {
this.numericType = type;
return this;
}
@Override
public IndexFieldData build(Index index, Settings indexSettings, MappedFieldType fieldType, IndexFieldDataCache cache,
CircuitBreakerService breakerService, MapperService mapperService) {
// Ignore Circuit Breaker
final Names fieldNames = fieldType.names();
final Settings fdSettings = fieldType.fieldDataType().getSettings();
final Map filter = fdSettings.getGroups("filter");
if (filter != null && !filter.isEmpty()) {
throw new IllegalArgumentException("Doc values field data doesn't support filters [" + fieldNames.fullName() + "]");
}
if (BINARY_INDEX_FIELD_NAMES.contains(fieldNames.indexName())) {
assert numericType == null;
return new BinaryDVIndexFieldData(index, fieldNames, fieldType.fieldDataType());
} else if (numericType != null) {
if (TimestampFieldMapper.NAME.equals(fieldNames.indexName())
|| Version.indexCreated(indexSettings).onOrAfter(Version.V_1_4_0_Beta1)) {
return new SortedNumericDVIndexFieldData(index, fieldNames, numericType, fieldType.fieldDataType());
} else {
// prior to ES 1.4: multi-valued numerics were boxed inside a byte[] as BINARY
return new BinaryDVNumericIndexFieldData(index, fieldNames, numericType, fieldType.fieldDataType());
}
} else {
return new SortedSetDVOrdinalsIndexFieldData(index, cache, indexSettings, fieldNames, breakerService, fieldType.fieldDataType());
}
}
}
}