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}