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 org.fcrepo.kernel.api.identifiers.FedoraId; 021 022import java.net.URI; 023import java.time.Instant; 024import java.util.Set; 025 026/** 027 * A very simple abstraction to support downstream event-related machinery. 028 * 029 * @author ajs6f 030 * @author acoburn 031 * @since Feb 19, 2013 032 */ 033public interface Event { 034 035 /** 036 * @return the FedoraId of the resource associated with this event. 037 */ 038 FedoraId getFedoraId(); 039 040 /** 041 * @return the event types associated with this event. 042 */ 043 Set<EventType> getTypes(); 044 045 /** 046 * @return the RDF Types of the resource associated with this event. 047 **/ 048 Set<String> getResourceTypes(); 049 050 /** 051 * @return the path to the {@link org.fcrepo.kernel.api.models.FedoraResource} 052 */ 053 String getPath(); 054 055 /** 056 * @return the user ID associated with this event. 057 */ 058 String getUserID(); 059 060 /** 061 * Get the user URI associated with this event. 062 * @return user URI 063 */ 064 URI getUserURI(); 065 066 /** 067 * @return The user-agent associated to the request 068 */ 069 String getUserAgent(); 070 071 /** 072 * @return the date of this event. 073 */ 074 Instant getDate(); 075 076 /** 077 * Get the event ID. 078 * @return Event identifier to use for building event URIs (e.g., in an external triplestore). 079 **/ 080 String getEventID(); 081 082 /** 083 * @return The originating request's baseUrl 084 */ 085 String getBaseUrl(); 086 087}