/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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. */ package org.apache.solr.analytics.facet; import java.util.Map; import java.util.function.Consumer; import org.apache.lucene.search.Query; import org.apache.solr.analytics.function.ReductionCollectionManager.ReductionDataCollection; import org.apache.solr.common.SolrException; import org.apache.solr.common.SolrException.ErrorCode; import org.apache.solr.request.SolrQueryRequest; import org.apache.solr.search.Filter; import org.apache.solr.search.QParser; import org.apache.solr.search.QueryUtils; /** * A facet that breaks down the data by additional Solr Queries. */ public class QueryFacet extends AbstractSolrQueryFacet { private final Map<String,String> queries; public QueryFacet(String name, Map<String, String> queries) { super(name); this.queries = queries; } @Override public void createFacetValueExecuters(final Filter filter, SolrQueryRequest queryRequest, Consumer<FacetValueQueryExecuter> consumer) { queries.forEach( (queryName, query) -> { final Query q; try { q = QParser.getParser(query, queryRequest).getQuery(); } catch( Exception e ){ throw new SolrException(ErrorCode.BAD_REQUEST,"Invalid query '"+query+"' in query facet '" + getName() + "'",e); } // The searcher sends docIds to the QueryFacetAccumulator which forwards // them to <code>collectQuery()</code> in this class for collection. Query queryQuery = QueryUtils.combineQueryAndFilter(q, filter); ReductionDataCollection dataCol = collectionManager.newDataCollection(); reductionData.put(queryName, dataCol); consumer.accept(new FacetValueQueryExecuter(dataCol, queryQuery)); }); } }