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.services; 019 020import java.util.stream.Stream; 021 022import org.apache.jena.graph.Triple; 023import org.fcrepo.kernel.api.Transaction; 024import org.fcrepo.kernel.api.models.FedoraResource; 025 026/** 027 * Provides containment triples. 028 * 029 * @author whikloj 030 * @since 6.0.0 031 */ 032public interface ContainmentTriplesService { 033 034 /** 035 * Retrieve the containment triples. 036 * 037 * @param tx The transaction or null if none. 038 * @param resource The fedora container resource in which children resources are contained. 039 * @return A stream of containment triples for the resource. 040 */ 041 Stream<Triple> get(Transaction tx, FedoraResource resource); 042}