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.operations; 019 020import java.time.Instant; 021 022import org.fcrepo.kernel.api.RdfStream; 023 024/** 025 * Operation for interacting with an rdf source 026 * 027 * @author bbpennel 028 */ 029public interface RdfSourceOperation extends ResourceOperation { 030 031 /** 032 * Get the incoming user space triples for the resource 033 * 034 * @return triples 035 */ 036 RdfStream getTriples(); 037 038 /** 039 * Get last modified by 040 * 041 * @return user that last modified the resource 042 */ 043 String getLastModifiedBy(); 044 045 /** 046 * Get created by 047 * 048 * @return user that created the resource 049 */ 050 String getCreatedBy(); 051 052 /** 053 * Get the timestamp the resource was last modified 054 * 055 * @return timestamp 056 */ 057 Instant getLastModifiedDate(); 058 059 /** 060 * Get the timestamp the resource was created 061 * 062 * @return timestamp 063 */ 064 Instant getCreatedDate(); 065}