001/* 002 * (C) Copyright 2014 Nuxeo SA (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 * bdelbosc 018 */ 019package org.nuxeo.elasticsearch.aggregate; 020 021import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_AVG; 022import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_CARDINALITY; 023import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_COUNT; 024import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_MAX; 025import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_MIN; 026import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_MISSING; 027import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_SUM; 028import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_DATE_HISTOGRAM; 029import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_DATE_RANGE; 030import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_HISTOGRAM; 031import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_RANGE; 032import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_SIGNIFICANT_TERMS; 033import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_TERMS; 034 035import org.elasticsearch.search.aggregations.Aggregation; 036import org.nuxeo.ecm.core.api.DocumentModel; 037import org.nuxeo.ecm.platform.query.api.AggregateDefinition; 038import org.nuxeo.ecm.platform.query.api.Bucket; 039 040/** 041 * @since 6.0 042 */ 043public final class AggregateFactory { 044 045 private AggregateFactory() { 046 } 047 048 public static AggregateEsBase<? extends Aggregation, ? extends Bucket> create(AggregateDefinition def, 049 DocumentModel searchDocumentModel) { 050 switch (def.getType()) { 051 case AGG_TYPE_TERMS: 052 return new TermAggregate(def, searchDocumentModel); 053 case AGG_TYPE_RANGE: 054 return new RangeAggregate(def, searchDocumentModel); 055 case AGG_TYPE_DATE_HISTOGRAM: 056 return new DateHistogramAggregate(def, searchDocumentModel); 057 case AGG_TYPE_SIGNIFICANT_TERMS: 058 return new SignificantTermAggregate(def, searchDocumentModel); 059 case AGG_TYPE_HISTOGRAM: 060 return new HistogramAggregate(def, searchDocumentModel); 061 case AGG_TYPE_DATE_RANGE: 062 return new DateRangeAggregate(def, searchDocumentModel); 063 case AGG_CARDINALITY: 064 case AGG_COUNT: 065 case AGG_SUM: 066 case AGG_AVG: 067 case AGG_MAX: 068 case AGG_MIN: 069 return new SingleValueMetricAggregate(def, searchDocumentModel); 070 case AGG_MISSING: 071 return new MissingAggregate(def, searchDocumentModel); 072 default: 073 throw new IllegalArgumentException("Unknown aggregate type: " + def.getType()); 074 } 075 076 } 077}