001/* 002 * Licensed to DuraSpace under one or more contributor license agreements. 003 * See the NOTICE file distributed with this work for additional information 004 * regarding copyright ownership. 005 * 006 * DuraSpace licenses this file to you under the Apache License, 007 * Version 2.0 (the "License"); you may not use this file except in 008 * compliance with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.fcrepo.kernel.api; 019 020import java.util.stream.Collector; 021 022import org.apache.jena.rdf.model.ModelFactory; 023import org.apache.jena.graph.Triple; 024import org.apache.jena.rdf.model.Model; 025 026/** 027 * A class of Collectors for use with RdfStreams 028 * @author acoburn 029 * @since Dec 4, 2015 030 */ 031public class RdfCollectors { 032 033 /** 034 * @return a Collector for use with aggregating an RdfStream into a Model. 035 */ 036 public static Collector<Triple, ?, Model> toModel() { 037 return Collector.of(ModelFactory::createDefaultModel, 038 (m, t) -> m.add(m.asStatement(t)), 039 (left, right) -> { left.add(right); return left; }, 040 Collector.Characteristics.UNORDERED); 041 } 042 043 private RdfCollectors() { 044 // prevent instantiation 045 } 046} 047