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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.search.aggregations.bucket.range.date;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.search.aggregations.AggregatorFactories.Builder;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.aggregations.InternalAggregation.Type;
import org.elasticsearch.search.aggregations.bucket.range.AbstractRangeBuilder;
import org.elasticsearch.search.aggregations.bucket.range.RangeAggregator;
import org.elasticsearch.search.aggregations.bucket.range.RangeAggregator.Range;
import org.elasticsearch.search.aggregations.support.AggregationContext;
import org.elasticsearch.search.aggregations.support.ValuesSource.Numeric;
import org.elasticsearch.search.aggregations.support.ValuesSourceConfig;
import org.joda.time.DateTime;
import java.io.IOException;
public class DateRangeAggregationBuilder extends AbstractRangeBuilder {
public static final String NAME = "date_range";
static final Type TYPE = new Type(NAME);
public DateRangeAggregationBuilder(String name) {
super(name, InternalDateRange.FACTORY);
}
/**
* Read from a stream.
*/
public DateRangeAggregationBuilder(StreamInput in) throws IOException {
super(in, InternalDateRange.FACTORY, Range::new);
}
@Override
public String getWriteableName() {
return NAME;
}
/**
* Add a new range to this aggregation.
*
* @param key
* the key to use for this range in the response
* @param from
* the lower bound on the dates, inclusive
* @param to
* the upper bound on the dates, exclusive
*/
public DateRangeAggregationBuilder addRange(String key, String from, String to) {
addRange(new Range(key, from, to));
return this;
}
/**
* Same as {@link #addRange(String, String, String)} but the key will be
* automatically generated based on from and to.
*/
public DateRangeAggregationBuilder addRange(String from, String to) {
return addRange(null, from, to);
}
/**
* Add a new range with no lower bound.
*
* @param key
* the key to use for this range in the response
* @param to
* the upper bound on the dates, exclusive
*/
public DateRangeAggregationBuilder addUnboundedTo(String key, String to) {
addRange(new Range(key, null, to));
return this;
}
/**
* Same as {@link #addUnboundedTo(String, String)} but the key will be
* computed automatically.
*/
public DateRangeAggregationBuilder addUnboundedTo(String to) {
return addUnboundedTo(null, to);
}
/**
* Add a new range with no upper bound.
*
* @param key
* the key to use for this range in the response
* @param from
* the lower bound on the distances, inclusive
*/
public DateRangeAggregationBuilder addUnboundedFrom(String key, String from) {
addRange(new Range(key, from, null));
return this;
}
/**
* Same as {@link #addUnboundedFrom(String, String)} but the key will be
* computed automatically.
*/
public DateRangeAggregationBuilder addUnboundedFrom(String from) {
return addUnboundedFrom(null, from);
}
/**
* Add a new range to this aggregation.
*
* @param key
* the key to use for this range in the response
* @param from
* the lower bound on the dates, inclusive
* @param to
* the upper bound on the dates, exclusive
*/
public DateRangeAggregationBuilder addRange(String key, double from, double to) {
addRange(new Range(key, from, to));
return this;
}
/**
* Same as {@link #addRange(String, double, double)} but the key will be
* automatically generated based on from and to.
*/
public DateRangeAggregationBuilder addRange(double from, double to) {
return addRange(null, from, to);
}
/**
* Add a new range with no lower bound.
*
* @param key
* the key to use for this range in the response
* @param to
* the upper bound on the dates, exclusive
*/
public DateRangeAggregationBuilder addUnboundedTo(String key, double to) {
addRange(new Range(key, null, to));
return this;
}
/**
* Same as {@link #addUnboundedTo(String, double)} but the key will be
* computed automatically.
*/
public DateRangeAggregationBuilder addUnboundedTo(double to) {
return addUnboundedTo(null, to);
}
/**
* Add a new range with no upper bound.
*
* @param key
* the key to use for this range in the response
* @param from
* the lower bound on the distances, inclusive
*/
public DateRangeAggregationBuilder addUnboundedFrom(String key, double from) {
addRange(new Range(key, from, null));
return this;
}
/**
* Same as {@link #addUnboundedFrom(String, double)} but the key will be
* computed automatically.
*/
public DateRangeAggregationBuilder addUnboundedFrom(double from) {
return addUnboundedFrom(null, from);
}
/**
* Add a new range to this aggregation.
*
* @param key
* the key to use for this range in the response
* @param from
* the lower bound on the dates, inclusive
* @param to
* the upper bound on the dates, exclusive
*/
public DateRangeAggregationBuilder addRange(String key, DateTime from, DateTime to) {
addRange(new Range(key, convertDateTime(from), convertDateTime(to)));
return this;
}
private Double convertDateTime(DateTime dateTime) {
if (dateTime == null) {
return null;
} else {
return (double) dateTime.getMillis();
}
}
/**
* Same as {@link #addRange(String, DateTime, DateTime)} but the key will be
* automatically generated based on from and to.
*/
public DateRangeAggregationBuilder addRange(DateTime from, DateTime to) {
return addRange(null, from, to);
}
/**
* Add a new range with no lower bound.
*
* @param key
* the key to use for this range in the response
* @param to
* the upper bound on the dates, exclusive
*/
public DateRangeAggregationBuilder addUnboundedTo(String key, DateTime to) {
addRange(new Range(key, null, convertDateTime(to)));
return this;
}
/**
* Same as {@link #addUnboundedTo(String, DateTime)} but the key will be
* computed automatically.
*/
public DateRangeAggregationBuilder addUnboundedTo(DateTime to) {
return addUnboundedTo(null, to);
}
/**
* Add a new range with no upper bound.
*
* @param key
* the key to use for this range in the response
* @param from
* the lower bound on the distances, inclusive
*/
public DateRangeAggregationBuilder addUnboundedFrom(String key, DateTime from) {
addRange(new Range(key, convertDateTime(from), null));
return this;
}
/**
* Same as {@link #addUnboundedFrom(String, DateTime)} but the key will be
* computed automatically.
*/
public DateRangeAggregationBuilder addUnboundedFrom(DateTime from) {
return addUnboundedFrom(null, from);
}
@Override
protected DateRangeAggregatorFactory innerBuild(AggregationContext context, ValuesSourceConfig config,
AggregatorFactory parent, Builder subFactoriesBuilder) throws IOException {
// We need to call processRanges here so they are parsed and we know whether `now` has been used before we make
// the decision of whether to cache the request
Range[] ranges = processRanges(context, config);
return new DateRangeAggregatorFactory(name, type, config, ranges, keyed, rangeFactory, context, parent, subFactoriesBuilder,
metaData);
}
}
