Java tutorial
/* * Copyright 2008-2013 Microarray Informatics Team, EMBL-European Bioinformatics Institute * * Licensed 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. * * * For further details of the Gene Expression Atlas project, including source code, * downloads and documentation, please see: * * http://gxa.github.com/gxa */ package uk.ac.ebi.atlas.solr.query.builders; import org.apache.solr.client.solrj.SolrQuery; /** * This is a builder, keep always in mind that builders are potentially stateful. * If you need to build different query strings within the same client process * you must use a new instance of builder for each query. */ public class FacetedPropertyValueQueryBuilder extends SolrQueryBuilder<FacetedPropertyValueQueryBuilder> { private static final int DEFAULT_LIMIT = 15; public static final String PROPERTY_LOWER_FIELD = "property_value_lower"; public SolrQuery buildPropertyValueAutocompleteQuery(String queryString) { String solrQueryString = "property_value_edgengram:\"" + queryString + "\"" + queryStringBuilder.toString(); return buildQueryObject(solrQueryString); } public SolrQuery buildBioentityQuery(String bioentityId) { String solrQueryString = "bioentity_identifier:\"" + bioentityId + "\"" + queryStringBuilder.toString(); return buildQueryObject(solrQueryString); } private SolrQuery buildQueryObject(String queryString) { SolrQuery solrQuery = new SolrQuery(queryString); solrQuery.addFacetField(PROPERTY_LOWER_FIELD); solrQuery.setRows(0); solrQuery.setFacet(true); solrQuery.setFacetLimit(DEFAULT_LIMIT); solrQuery.setFacetMinCount(1); return solrQuery; } @Override protected FacetedPropertyValueQueryBuilder getThis() { return this; } }