/* * #%L * Alfresco Search Services * %% * Copyright (C) 2005 - 2020 Alfresco Software Limited * %% * This file is part of the Alfresco software. * If the software was purchased under a paid Alfresco license, the terms of * the paid license agreement will prevail. Otherwise, the software is * provided under the following open source license terms: * * Alfresco is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Alfresco is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Alfresco. If not, see <http://www.gnu.org/licenses/>. * #L% */ package org.alfresco.solr.query; import java.io.IOException; import org.apache.lucene.index.IndexReaderContext; import org.apache.lucene.index.LeafReaderContext; import org.apache.lucene.index.Term; import org.apache.lucene.index.TermContext; import org.apache.lucene.search.Explanation; import org.apache.lucene.search.Query; import org.apache.lucene.search.Weight; import org.apache.solr.search.SolrIndexSearcher; /** * Abstract {@link Weight} implementation for authority related queries. * * @see AbstractAuthoritySetQuery */ public abstract class AbstractAuthorityQueryWeight extends Weight { protected Query query; protected SolrIndexSearcher searcher; protected float value; protected boolean needsScores; public AbstractAuthorityQueryWeight(SolrIndexSearcher searcher, boolean needsScores, Query query, String authTermName, String authTermText) throws IOException { super(query); this.searcher = searcher; searcher.collectionStatistics(authTermName); final IndexReaderContext context = searcher.getTopReaderContext(); final Term term = new Term(authTermName, authTermText); final TermContext termContext = TermContext.build(context, term); searcher.termStatistics(term, termContext); this.needsScores = needsScores; } @Override public Explanation explain(LeafReaderContext context, int doc) { throw new UnsupportedOperationException(); } @Override public float getValueForNormalization() { return sumOfSquaredWeights(); } @Override public void normalize(float queryNorm, float topLevelBoost) { } protected float sumOfSquaredWeights() { return 0; } }