/* * 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.histogram; import org.elasticsearch.common.ParseField; import org.elasticsearch.search.aggregations.bucket.MultiBucketsAggregation; import java.util.List; /** * A {@code histogram} aggregation. Defines multiple buckets, each representing an interval in a histogram. */ public interface Histogram extends MultiBucketsAggregation { ParseField INTERVAL_FIELD = new ParseField("interval"); ParseField OFFSET_FIELD = new ParseField("offset"); ParseField ORDER_FIELD = new ParseField("order"); ParseField KEYED_FIELD = new ParseField("keyed"); ParseField MIN_DOC_COUNT_FIELD = new ParseField("min_doc_count"); ParseField EXTENDED_BOUNDS_FIELD = new ParseField("extended_bounds"); /** * A bucket in the histogram where documents fall in */ interface Bucket extends MultiBucketsAggregation.Bucket { } /** * @return The buckets of this histogram (each bucket representing an interval in the histogram) */ @Override List<? extends Bucket> getBuckets(); }