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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.metrics;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.script.Script;
import java.io.IOException;
/**
*
*/
public abstract class ValuesSourceMetricsAggregationBuilder<B extends ValuesSourceMetricsAggregationBuilder<B>> extends MetricsAggregationBuilder<B> {
private String field;
private Script script;
private String format;
private Object missing;
protected ValuesSourceMetricsAggregationBuilder(String name, String type) {
super(name, type);
}
@SuppressWarnings("unchecked")
public B field(String field) {
this.field = field;
return (B) this;
}
/**
* The script to use for this aggregation
*/
@SuppressWarnings("unchecked")
public B script(Script script) {
this.script = script;
return (B) this;
}
@SuppressWarnings("unchecked")
public B format(String format) {
this.format = format;
return (B) this;
}
/**
* Configure the value to use when documents miss a value.
*/
@SuppressWarnings("unchecked")
public B missing(Object missingValue) {
this.missing = missingValue;
return (B) this;
}
@Override
protected void internalXContent(XContentBuilder builder, Params params) throws IOException {
if (field != null) {
builder.field("field", field);
}
if (script != null) {
builder.field("script", script);
}
if (format != null) {
builder.field("format", format);
}
if (missing != null) {
builder.field("missing", missing);
}
}
}
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