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_TYPE_DATE_HISTOGRAM;
022import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_DATE_RANGE;
023import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_HISTOGRAM;
024import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_RANGE;
025import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_SIGNIFICANT_TERMS;
026import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_TERMS;
027
028import org.nuxeo.ecm.core.api.DocumentModel;
029import org.nuxeo.ecm.platform.query.api.AggregateDefinition;
030import org.nuxeo.ecm.platform.query.api.Bucket;
031
032/**
033 * @since 6.0
034 */
035final public class AggregateFactory {
036
037    private AggregateFactory() {
038    }
039
040    public static AggregateEsBase<? extends Bucket> create(AggregateDefinition def, DocumentModel searchDocumentModel) {
041        switch (def.getType()) {
042        case AGG_TYPE_TERMS:
043            return new TermAggregate(def, searchDocumentModel);
044        case AGG_TYPE_RANGE:
045            return new RangeAggregate(def, searchDocumentModel);
046        case AGG_TYPE_DATE_HISTOGRAM:
047            return new DateHistogramAggregate(def, searchDocumentModel);
048        case AGG_TYPE_SIGNIFICANT_TERMS:
049            return new SignificantTermAggregate(def, searchDocumentModel);
050        case AGG_TYPE_HISTOGRAM:
051            return new HistogramAggregate(def, searchDocumentModel);
052        case AGG_TYPE_DATE_RANGE:
053            return new DateRangeAggregate(def, searchDocumentModel);
054        default:
055            throw new IllegalArgumentException("Unknown aggregate type: " + def.getType());
056        }
057
058    }
059}