1 /*
2 * Copyright 2015 Data Archiving and Networked Services (an institute of
3 * Koninklijke Nederlandse Akademie van Wetenschappen), King's College London,
4 * Georg-August-Universitaet Goettingen Stiftung Oeffentlichen Rechts
5 *
6 * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
7 * the European Commission - subsequent versions of the EUPL (the "Licence");
8 * You may not use this work except in compliance with the Licence.
9 * You may obtain a copy of the Licence at:
10 *
11 * https://joinup.ec.europa.eu/software/page/eupl
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the Licence is distributed on an "AS IS" basis,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the Licence for the specific language governing
17 * permissions and limitations under the Licence.
18 */
19
20 package eu.ehri.project.models.base;
21
22 import com.tinkerpop.blueprints.Vertex;
23 import com.tinkerpop.frames.modules.javahandler.JavaHandler;
24 import com.tinkerpop.frames.modules.javahandler.JavaHandlerContext;
25 import eu.ehri.project.definitions.Ontology;
26 import eu.ehri.project.models.events.SystemEvent;
27 import eu.ehri.project.models.utils.JavaHandlerUtils;
28
29 /**
30 * An entity whose actions are recorded.
31 *
32
33 */
34 public interface Actioner extends Named {
35 /**
36 * Fetch a list of Actions for this user in newest-first order.
37 *
38 * @return a list of actions
39 */
40 @JavaHandler
41 Iterable<SystemEvent> getActions();
42
43 @JavaHandler
44 Iterable<SystemEvent> getLatestAction();
45
46 /**
47 * Implementation of complex methods.
48 */
49 abstract class Impl implements JavaHandlerContext<Vertex>, Actioner {
50 public Iterable<SystemEvent> getLatestAction() {
51 return frameVertices(gremlin()
52 .out(Ontology.ACTIONER_HAS_LIFECYCLE_ACTION)
53 .out(Ontology.ACTION_HAS_EVENT));
54 }
55
56 public Iterable<SystemEvent> getActions() {
57 return frameVertices(gremlin().as("n").out(Ontology.ACTIONER_HAS_LIFECYCLE_ACTION)
58 .loop("n", JavaHandlerUtils.noopLoopFunc, JavaHandlerUtils.noopLoopFunc)
59 .out(Ontology.ACTION_HAS_EVENT));
60 }
61 }
62 }