001/*
002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     bdelbosc
016 */
017package org.nuxeo.elasticsearch.aggregate;
018
019import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_DATE_HISTOGRAM;
020import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_DATE_RANGE;
021import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_HISTOGRAM;
022import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_RANGE;
023import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_SIGNIFICANT_TERMS;
024import static org.nuxeo.elasticsearch.ElasticSearchConstants.AGG_TYPE_TERMS;
025
026import org.nuxeo.ecm.core.api.DocumentModel;
027import org.nuxeo.ecm.platform.query.api.AggregateDefinition;
028import org.nuxeo.ecm.platform.query.api.Bucket;
029
030/**
031 * @since 6.0
032 */
033final public class AggregateFactory {
034
035    private AggregateFactory() {
036    }
037
038    public static AggregateEsBase<? extends Bucket> create(AggregateDefinition def, DocumentModel searchDocumentModel) {
039        switch (def.getType()) {
040        case AGG_TYPE_TERMS:
041            return new TermAggregate(def, searchDocumentModel);
042        case AGG_TYPE_RANGE:
043            return new RangeAggregate(def, searchDocumentModel);
044        case AGG_TYPE_DATE_HISTOGRAM:
045            return new DateHistogramAggregate(def, searchDocumentModel);
046        case AGG_TYPE_SIGNIFICANT_TERMS:
047            return new SignificantTermAggregate(def, searchDocumentModel);
048        case AGG_TYPE_HISTOGRAM:
049            return new HistogramAggregate(def, searchDocumentModel);
050        case AGG_TYPE_DATE_RANGE:
051            return new DateRangeAggregate(def, searchDocumentModel);
052        default:
053            throw new IllegalArgumentException("Unknown aggregate type: " + def.getType());
054        }
055
056    }
057}