001/* 002 * (C) Copyright 2018 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Gethin James 018 */ 019package org.nuxeo.elasticsearch.aggregate; 020 021import org.elasticsearch.search.aggregations.AggregationBuilder; 022import org.elasticsearch.search.aggregations.AggregationBuilders; 023import org.nuxeo.ecm.core.api.DocumentModel; 024import org.nuxeo.ecm.platform.query.api.AggregateDefinition; 025 026import com.fasterxml.jackson.annotation.JsonIgnore; 027 028/** 029 * Counts the missing values for the specified field 030 * 031 * @since 10.3 032 */ 033public class MissingAggregate extends SingleBucketAggregate { 034 035 public MissingAggregate(AggregateDefinition definition, DocumentModel searchDocument) { 036 super(definition, searchDocument); 037 } 038 039 @JsonIgnore 040 @Override 041 public AggregationBuilder getEsAggregate() { 042 return AggregationBuilders.missing(getId()).field(getField()); 043 } 044}