org.elasticsearch.index.mapper.xcontent.IntegerFieldMapper Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.xcontent;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Fieldable;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.NumericRangeFilter;
import org.apache.lucene.search.NumericRangeQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.util.NumericUtils;
import org.elasticsearch.common.Numbers;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.analysis.NamedAnalyzer;
import org.elasticsearch.index.analysis.NumericIntegerAnalyzer;
import org.elasticsearch.index.field.data.FieldDataType;
import org.elasticsearch.index.mapper.MapperParsingException;
import org.elasticsearch.index.mapper.MergeMappingException;
import java.io.IOException;
import java.util.Map;
import static org.elasticsearch.common.xcontent.support.XContentMapValues.*;
import static org.elasticsearch.index.mapper.xcontent.XContentMapperBuilders.*;
import static org.elasticsearch.index.mapper.xcontent.XContentTypeParsers.*;
/**
* @author kimchy (shay.banon)
*/
public class IntegerFieldMapper extends NumberFieldMapper {
public static final String CONTENT_TYPE = "integer";
public static class Defaults extends NumberFieldMapper.Defaults {
public static final Integer NULL_VALUE = null;
}
public static class Builder extends NumberFieldMapper.Builder {
protected Integer nullValue = Defaults.NULL_VALUE;
public Builder(String name) {
super(name);
builder = this;
}
public Builder nullValue(int nullValue) {
this.nullValue = nullValue;
return this;
}
@Override public IntegerFieldMapper build(BuilderContext context) {
IntegerFieldMapper fieldMapper = new IntegerFieldMapper(buildNames(context),
precisionStep, index, store, boost, omitNorms, omitTermFreqAndPositions, nullValue);
fieldMapper.includeInAll(includeInAll);
return fieldMapper;
}
}
public static class TypeParser implements XContentMapper.TypeParser {
@Override public XContentMapper.Builder parse(String name, Map node, ParserContext parserContext) throws MapperParsingException {
IntegerFieldMapper.Builder builder = integerField(name);
parseNumberField(builder, name, node, parserContext);
for (Map.Entry entry : node.entrySet()) {
String propName = Strings.toUnderscoreCase(entry.getKey());
Object propNode = entry.getValue();
if (propName.equals("null_value")) {
builder.nullValue(nodeIntegerValue(propNode));
}
}
return builder;
}
}
private Integer nullValue;
private String nullValueAsString;
protected IntegerFieldMapper(Names names, int precisionStep, Field.Index index, Field.Store store,
float boost, boolean omitNorms, boolean omitTermFreqAndPositions,
Integer nullValue) {
super(names, precisionStep, index, store, boost, omitNorms, omitTermFreqAndPositions,
new NamedAnalyzer("_int/" + precisionStep, new NumericIntegerAnalyzer(precisionStep)),
new NamedAnalyzer("_int/max", new NumericIntegerAnalyzer(Integer.MAX_VALUE)));
this.nullValue = nullValue;
this.nullValueAsString = nullValue == null ? null : nullValue.toString();
}
@Override protected int maxPrecisionStep() {
return 32;
}
@Override public Integer value(Fieldable field) {
byte[] value = field.getBinaryValue();
if (value == null) {
return null;
}
return Numbers.bytesToInt(value);
}
@Override public Integer valueFromString(String value) {
return Integer.parseInt(value);
}
@Override public String indexedValue(String value) {
return NumericUtils.intToPrefixCoded(Integer.parseInt(value));
}
@Override public Query rangeQuery(String lowerTerm, String upperTerm, boolean includeLower, boolean includeUpper) {
return NumericRangeQuery.newIntRange(names.indexName(), precisionStep,
lowerTerm == null ? null : Integer.parseInt(lowerTerm),
upperTerm == null ? null : Integer.parseInt(upperTerm),
includeLower, includeUpper);
}
@Override public Filter rangeFilter(String lowerTerm, String upperTerm, boolean includeLower, boolean includeUpper) {
return NumericRangeFilter.newIntRange(names.indexName(), precisionStep,
lowerTerm == null ? null : Integer.parseInt(lowerTerm),
upperTerm == null ? null : Integer.parseInt(upperTerm),
includeLower, includeUpper);
}
@Override protected Field parseCreateField(ParseContext context) throws IOException {
int value;
if (context.externalValueSet()) {
Object externalValue = context.externalValue();
if (externalValue == null) {
if (nullValue == null) {
return null;
}
value = nullValue;
} else {
value = ((Number) externalValue).intValue();
}
if (includeInAll == null || includeInAll) {
context.allEntries().addText(names.fullName(), Integer.toString(value), boost);
}
} else {
if (context.parser().currentToken() == XContentParser.Token.VALUE_NULL) {
if (nullValue == null) {
return null;
}
value = nullValue;
if (nullValueAsString != null && (includeInAll == null || includeInAll)) {
context.allEntries().addText(names.fullName(), nullValueAsString, boost);
}
} else {
value = context.parser().intValue();
if (includeInAll == null || includeInAll) {
context.allEntries().addText(names.fullName(), context.parser().text(), boost);
}
}
}
Field field = null;
if (stored()) {
field = new Field(names.indexName(), Numbers.intToBytes(value), store);
if (indexed()) {
field.setTokenStream(popCachedStream(precisionStep).setIntValue(value));
}
} else if (indexed()) {
field = new Field(names.indexName(), popCachedStream(precisionStep).setIntValue(value));
}
return field;
}
@Override public FieldDataType fieldDataType() {
return FieldDataType.DefaultTypes.INT;
}
@Override protected String contentType() {
return CONTENT_TYPE;
}
@Override public void merge(XContentMapper mergeWith, MergeContext mergeContext) throws MergeMappingException {
super.merge(mergeWith, mergeContext);
if (!this.getClass().equals(mergeWith.getClass())) {
return;
}
if (!mergeContext.mergeFlags().simulate()) {
this.nullValue = ((IntegerFieldMapper) mergeWith).nullValue;
this.nullValueAsString = ((IntegerFieldMapper) mergeWith).nullValueAsString;
}
}
@Override protected void doXContentBody(XContentBuilder builder) throws IOException {
super.doXContentBody(builder);
if (index != Defaults.INDEX) {
builder.field("index", index.name().toLowerCase());
}
if (store != Defaults.STORE) {
builder.field("store", store.name().toLowerCase());
}
if (termVector != Defaults.TERM_VECTOR) {
builder.field("term_vector", termVector.name().toLowerCase());
}
if (omitNorms != Defaults.OMIT_NORMS) {
builder.field("omit_norms", omitNorms);
}
if (omitTermFreqAndPositions != Defaults.OMIT_TERM_FREQ_AND_POSITIONS) {
builder.field("omit_term_freq_and_positions", omitTermFreqAndPositions);
}
if (precisionStep != Defaults.PRECISION_STEP) {
builder.field("precision_step", precisionStep);
}
if (nullValue != null) {
builder.field("null_value", nullValue);
}
if (includeInAll != null) {
builder.field("include_in_all", includeInAll);
}
}
}