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.util.filters; 020 021import org.apache.jena.rdf.model.Statement; 022 023import java.util.Set; 024import java.util.function.Predicate; 025 026/** 027 * A filter that drops statements whose predicate is in given blacklist. 028 * @author Lorenz Buehmann 029 * 030 */ 031public class PredicateDropStatementFilter implements Predicate<Statement> { 032 033 034 private Set<String> predicateIriBlackList; 035 036 public PredicateDropStatementFilter(Set<String> predicateIriBlackList) { 037 this.predicateIriBlackList = predicateIriBlackList; 038 } 039 040 /* (non-Javadoc) 041 * @see org.apache.jena.util.iterator.Filter#accept(java.lang.Object) 042 */ 043 @Override 044 public boolean test(Statement st) { 045 return !predicateIriBlackList.contains(st.getPredicate().toString()); 046 } 047 048 /* (non-Javadoc) 049 * @see java.lang.Object#toString() 050 */ 051 @Override 052 public String toString() { 053 return "!?p in " + predicateIriBlackList; 054 } 055 056}