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org.elasticsearch.index.mapper.internal.TimestampFieldMapper Maven / Gradle / Ivy
ElasticSearch - Open Source, Distributed, RESTful Search Engine
/*
* 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.mapper.internal;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.elasticsearch.common.Explicit;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.joda.FormatDateTimeFormatter;
import org.elasticsearch.common.joda.Joda;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.codec.postingsformat.PostingsFormatProvider;
import org.elasticsearch.index.mapper.*;
import org.elasticsearch.index.mapper.core.DateFieldMapper;
import org.elasticsearch.index.mapper.core.LongFieldMapper;
import org.elasticsearch.index.mapper.core.NumberFieldMapper;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import static org.elasticsearch.common.xcontent.support.XContentMapValues.nodeBooleanValue;
import static org.elasticsearch.index.mapper.MapperBuilders.timestamp;
import static org.elasticsearch.index.mapper.core.TypeParsers.parseDateTimeFormatter;
import static org.elasticsearch.index.mapper.core.TypeParsers.parseField;
/**
*/
public class TimestampFieldMapper extends DateFieldMapper implements InternalMapper, RootMapper {
public static final String NAME = "_timestamp";
public static final String CONTENT_TYPE = "_timestamp";
public static final String DEFAULT_DATE_TIME_FORMAT = "dateOptionalTime";
public static class Defaults extends DateFieldMapper.Defaults {
public static final String NAME = "_timestamp";
public static final FieldType FIELD_TYPE = new FieldType(DateFieldMapper.Defaults.FIELD_TYPE);
static {
FIELD_TYPE.setStored(false);
FIELD_TYPE.setIndexed(true);
FIELD_TYPE.setTokenized(false);
FIELD_TYPE.freeze();
}
public static final EnabledAttributeMapper ENABLED = EnabledAttributeMapper.DISABLED;
public static final String PATH = null;
public static final FormatDateTimeFormatter DATE_TIME_FORMATTER = Joda.forPattern(DEFAULT_DATE_TIME_FORMAT);
}
public static class Builder extends NumberFieldMapper.Builder {
private EnabledAttributeMapper enabledState = EnabledAttributeMapper.UNSET_DISABLED;
private String path = Defaults.PATH;
private FormatDateTimeFormatter dateTimeFormatter = Defaults.DATE_TIME_FORMATTER;
public Builder() {
super(Defaults.NAME, new FieldType(Defaults.FIELD_TYPE));
}
public Builder enabled(EnabledAttributeMapper enabledState) {
this.enabledState = enabledState;
return builder;
}
public Builder path(String path) {
this.path = path;
return builder;
}
public Builder dateTimeFormatter(FormatDateTimeFormatter dateTimeFormatter) {
this.dateTimeFormatter = dateTimeFormatter;
return builder;
}
@Override
public TimestampFieldMapper build(BuilderContext context) {
boolean parseUpperInclusive = Defaults.PARSE_UPPER_INCLUSIVE;
if (context.indexSettings() != null) {
parseUpperInclusive = context.indexSettings().getAsBoolean("index.mapping.date.parse_upper_inclusive", Defaults.PARSE_UPPER_INCLUSIVE);
}
return new TimestampFieldMapper(fieldType, enabledState, path, dateTimeFormatter, parseUpperInclusive,
ignoreMalformed(context), provider, fieldDataSettings);
}
}
public static class TypeParser implements Mapper.TypeParser {
@Override
public Mapper.Builder parse(String name, Map node, ParserContext parserContext) throws MapperParsingException {
TimestampFieldMapper.Builder builder = timestamp();
parseField(builder, builder.name, node, parserContext);
for (Map.Entry entry : node.entrySet()) {
String fieldName = Strings.toUnderscoreCase(entry.getKey());
Object fieldNode = entry.getValue();
if (fieldName.equals("enabled")) {
EnabledAttributeMapper enabledState = nodeBooleanValue(fieldNode) ? EnabledAttributeMapper.ENABLED : EnabledAttributeMapper.DISABLED;
builder.enabled(enabledState);
} else if (fieldName.equals("path")) {
builder.path(fieldNode.toString());
} else if (fieldName.equals("format")) {
builder.dateTimeFormatter(parseDateTimeFormatter(builder.name(), fieldNode.toString()));
}
}
return builder;
}
}
private EnabledAttributeMapper enabledState;
private final String path;
public TimestampFieldMapper() {
this(new FieldType(Defaults.FIELD_TYPE), Defaults.ENABLED, Defaults.PATH, Defaults.DATE_TIME_FORMATTER,
Defaults.PARSE_UPPER_INCLUSIVE, Defaults.IGNORE_MALFORMED, null, null);
}
protected TimestampFieldMapper(FieldType fieldType, EnabledAttributeMapper enabledState, String path,
FormatDateTimeFormatter dateTimeFormatter, boolean parseUpperInclusive,
Explicit ignoreMalformed, PostingsFormatProvider provider, @Nullable Settings fieldDataSettings) {
super(new Names(Defaults.NAME, Defaults.NAME, Defaults.NAME, Defaults.NAME), dateTimeFormatter,
Defaults.PRECISION_STEP, Defaults.BOOST, fieldType,
Defaults.NULL_VALUE, TimeUnit.MILLISECONDS /*always milliseconds*/,
parseUpperInclusive, ignoreMalformed, provider, null, fieldDataSettings);
this.enabledState = enabledState;
this.path = path;
}
@Override
public FieldType defaultFieldType() {
return Defaults.FIELD_TYPE;
}
public boolean enabled() {
return this.enabledState.enabled;
}
public String path() {
return this.path;
}
public FormatDateTimeFormatter dateTimeFormatter() {
return this.dateTimeFormatter;
}
/**
* Override the default behavior to return a timestamp
*/
@Override
public Object valueForSearch(Object value) {
return value(value);
}
@Override
public void validate(ParseContext context) throws MapperParsingException {
}
@Override
public void preParse(ParseContext context) throws IOException {
super.parse(context);
}
@Override
public void postParse(ParseContext context) throws IOException {
}
@Override
public void parse(ParseContext context) throws IOException {
// nothing to do here, we call the parent in preParse
}
@Override
public boolean includeInObject() {
return true;
}
@Override
protected Field innerParseCreateField(ParseContext context) throws IOException {
if (enabledState.enabled) {
long timestamp = context.sourceToParse().timestamp();
if (!fieldType.indexed() && !fieldType.stored()) {
context.ignoredValue(names.indexName(), String.valueOf(timestamp));
return null;
}
return new LongFieldMapper.CustomLongNumericField(this, timestamp, fieldType);
}
return null;
}
@Override
protected String contentType() {
return CONTENT_TYPE;
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
// if all are defaults, no sense to write it at all
if (fieldType.indexed() == Defaults.FIELD_TYPE.indexed() &&
fieldType.stored() == Defaults.FIELD_TYPE.stored() && enabledState == Defaults.ENABLED && path == Defaults.PATH
&& dateTimeFormatter.format().equals(Defaults.DATE_TIME_FORMATTER.format())) {
return builder;
}
builder.startObject(CONTENT_TYPE);
if (enabledState != Defaults.ENABLED) {
builder.field("enabled", enabledState.enabled);
}
if (enabledState.enabled) {
if (fieldType.indexed() != Defaults.FIELD_TYPE.indexed()) {
builder.field("index", fieldType.indexed());
}
if (fieldType.stored() != Defaults.FIELD_TYPE.stored()) {
builder.field("store", fieldType.stored());
}
if (path != Defaults.PATH) {
builder.field("path", path);
}
if (!dateTimeFormatter.format().equals(Defaults.DATE_TIME_FORMATTER.format())) {
builder.field("format", dateTimeFormatter.format());
}
}
builder.endObject();
return builder;
}
@Override
public void merge(Mapper mergeWith, MergeContext mergeContext) throws MergeMappingException {
TimestampFieldMapper timestampFieldMapperMergeWith = (TimestampFieldMapper) mergeWith;
if (!mergeContext.mergeFlags().simulate()) {
if (timestampFieldMapperMergeWith.enabledState != enabledState && !timestampFieldMapperMergeWith.enabledState.unset()) {
this.enabledState = timestampFieldMapperMergeWith.enabledState;
}
}
}
}
