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.observer; 019 020import java.net.URI; 021import java.time.Instant; 022import java.util.Map; 023import java.util.Set; 024 025/** 026 * A very simple abstraction to support downstream event-related machinery. 027 * 028 * @author ajs6f 029 * @author acoburn 030 * @since Feb 19, 2013 031 */ 032public interface FedoraEvent { 033 034 /** 035 * @return the event types associated with this event. 036 */ 037 Set<EventType> getTypes(); 038 039 /** 040 * @return the RDF Types of the resource associated with this event. 041 **/ 042 Set<String> getResourceTypes(); 043 044 /** 045 * @return the path to the {@link org.fcrepo.kernel.api.models.FedoraResource} 046 */ 047 String getPath(); 048 049 /** 050 * @return the user ID associated with this event. 051 */ 052 String getUserID(); 053 054 /** 055 * @return the date of this event. 056 */ 057 Instant getDate(); 058 059 /** 060 * Get the event ID. 061 * @return Event identifier to use for building event URIs (e.g., in an external triplestore). 062 **/ 063 String getEventID(); 064 065 /** 066 * Get auxiliary information about the event 067 * @return Event information as a Map 068 */ 069 Map<String, String> getInfo(); 070 071 /** 072 * Get the user URI associated with this event. 073 * @return user URI 074 */ 075 URI getUserURI(); 076}