org.elasticsearch.search.aggregations.pipeline.InternalSimpleValue 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 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.pipeline;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.InternalAggregation;
import org.elasticsearch.search.aggregations.metrics.InternalNumericMetricsAggregation;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Objects;
public class InternalSimpleValue extends InternalNumericMetricsAggregation.SingleValue implements SimpleValue {
public static final String NAME = "simple_value";
protected final double value;
public InternalSimpleValue(String name, double value, DocValueFormat formatter, List pipelineAggregators,
Map metaData) {
super(name, pipelineAggregators, metaData);
this.format = formatter;
this.value = value;
}
/**
* Read from a stream.
*/
public InternalSimpleValue(StreamInput in) throws IOException {
super(in);
format = in.readNamedWriteable(DocValueFormat.class);
value = in.readDouble();
}
@Override
protected void doWriteTo(StreamOutput out) throws IOException {
out.writeNamedWriteable(format);
out.writeDouble(value);
}
@Override
public String getWriteableName() {
return NAME;
}
@Override
public double value() {
return value;
}
public double getValue() {
return value;
}
DocValueFormat formatter() {
return format;
}
@Override
public InternalSimpleValue doReduce(List aggregations, ReduceContext reduceContext) {
throw new UnsupportedOperationException("Not supported");
}
@Override
public XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
boolean hasValue = !(Double.isInfinite(value) || Double.isNaN(value));
builder.field(CommonFields.VALUE.getPreferredName(), hasValue ? value : null);
if (hasValue && format != DocValueFormat.RAW) {
builder.field(CommonFields.VALUE_AS_STRING.getPreferredName(), format.format(value).toString());
}
return builder;
}
@Override
protected int doHashCode() {
return Objects.hash(value);
}
@Override
protected boolean doEquals(Object obj) {
InternalSimpleValue other = (InternalSimpleValue) obj;
return Objects.equals(value, other.value);
}
}