001/** 002 * Copyright (C) 2007 - 2016, Jens Lehmann 003 * 004 * This file is part of DL-Learner. 005 * 006 * DL-Learner is free software; you can redistribute it and/or modify 007 * it under the terms of the GNU General Public License as published by 008 * the Free Software Foundation; either version 3 of the License, or 009 * (at your option) any later version. 010 * 011 * DL-Learner is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 014 * GNU General Public License for more details. 015 * 016 * You should have received a copy of the GNU General Public License 017 * along with this program. If not, see <http://www.gnu.org/licenses/>. 018 */ 019package org.dllearner.algorithms.qtl.impl; 020 021import org.apache.jena.rdf.model.Model; 022import org.apache.jena.rdf.model.Resource; 023import org.apache.jena.rdf.model.Statement; 024import org.dllearner.algorithms.qtl.datastructures.impl.RDFResourceTree; 025 026import java.util.function.Predicate; 027 028/** 029 * 030 * @author Lorenz Bühmann 031 * 032 */ 033public class QueryTreeFactoryCache implements QueryTreeFactory { 034 035// private static final long size = 0; 036// 037// LoadingCache<String, RDFResourceTree> cache = CacheBuilder.newBuilder(). 038// maximumSize(size) 039// .build( 040// new CacheLoader<String, RDFResourceTree>() { 041// @Override 042// public RDFResourceTree load(String resource) throws Exception { 043// return delegatee.getQueryTree(resource, model); 044// } 045// }); 046 047 private QueryTreeFactory delegatee; 048 049 public QueryTreeFactoryCache(QueryTreeFactory delegatee) { 050 this.delegatee = delegatee; 051 } 052 053 /* (non-Javadoc) 054 * @see org.dllearner.algorithms.qtl.impl.QueryTreeFactory#setMaxDepth(int) 055 */ 056 @Override 057 public void setMaxDepth(int maxDepth) { 058 delegatee.setMaxDepth(maxDepth); 059 } 060 061 /* (non-Javadoc) 062 * @see org.dllearner.algorithms.qtl.impl.QueryTreeFactory#getQueryTree(java.lang.String, org.apache.jena.rdf.model.Model, int) 063 */ 064 @Override 065 public RDFResourceTree getQueryTree(String example, Model model, int maxDepth) { 066 return delegatee.getQueryTree(model.getResource(example), model, maxDepth); 067 } 068 069 /* (non-Javadoc) 070 * @see org.dllearner.algorithms.qtl.impl.QueryTreeFactory#getQueryTree(org.apache.jena.rdf.model.Resource, org.apache.jena.rdf.model.Model, int) 071 */ 072 @Override 073 public RDFResourceTree getQueryTree(Resource resource, Model model, int maxDepth) { 074 return delegatee.getQueryTree(resource, model, maxDepth); 075 } 076 077 /* (non-Javadoc) 078 * @see org.dllearner.algorithms.qtl.impl.QueryTreeFactory#addDropFilters(org.apache.jena.util.iterator.Filter) 079 */ 080 @SafeVarargs 081 @Override 082 public final void addDropFilters(Predicate<Statement>... dropFilters) { 083 delegatee.addDropFilters(dropFilters); 084 } 085}