1 /**
2 * This file Copyright (c) 2017-2018 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.module.cache.ehcache3.configuration;
35
36 import info.magnolia.module.cache.filter.CachedEntry;
37
38 import java.time.Duration;
39 import java.util.function.Supplier;
40
41 import org.ehcache.expiry.ExpiryPolicy;
42
43 /**
44 * {@link org.ehcache.expiry.Expiry} which gets TTL from the value object if it's instance of a {@link info.magnolia.module.cache.filter.CachedEntry} otherwise returns {@link Duration#INFINITE}.
45 * @param <K> the key type for the cache
46 * @param <V> the value type for the cache
47 */
48 public class EhCache3Expiry<K, V> implements ExpiryPolicy<K, V> {
49
50 private Duration create = ExpiryPolicy.INFINITE;
51 private Duration access = null;
52 private Duration update = null;
53
54 @Override
55 public Duration getExpiryForCreation(K key, V value) {
56 Duration duration = create;
57 if (value instanceof CachedEntry) {
58 int ttl = ((CachedEntry) value).getTimeToLiveInSeconds();
59 duration = ttl == -1 ? create : Duration.ofSeconds(ttl);
60 }
61 return duration;
62 }
63
64 @Override
65 public Duration getExpiryForAccess(K key, Supplier<? extends V> value) {
66 return access;
67 }
68
69 @Override
70 public Duration getExpiryForUpdate(K key, Supplier<? extends V> oldValue, V newValue) {
71 return update;
72 }
73
74 public Long getCreate() {
75 return create == null ? null : create.getSeconds();
76 }
77
78 public void setCreate(Long create) {
79 this.create = Duration.ofSeconds(create);
80 }
81
82 public Long getAccess() {
83 return access == null ? null : access.getSeconds();
84 }
85
86 public void setAccess(Long access) {
87 this.access = Duration.ofSeconds(access);
88 }
89
90 public Long getUpdate() {
91 return update == null ? null : update.getSeconds();
92 }
93
94 public void setUpdate(Long update) {
95 this.update = Duration.ofSeconds(update);
96 }
97 }