1 /*
2 * Copyright (c) 2002-2025, City of Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.portal.service.datastore;
35
36 import java.util.Set;
37 import java.util.concurrent.ConcurrentHashMap;
38
39 import fr.paris.lutece.portal.service.cache.AbstractCacheableService;
40
41 /**
42 * Datastore Cache Service
43 */
44 public class DatastoreCacheService extends AbstractCacheableService
45 {
46 private static final String CACHE_SERVICE_NAME = "Datastore Cache Service";
47 private final Set<String> _prefixes;
48
49 /** Constructor */
50 public DatastoreCacheService( )
51 {
52 initCache( );
53 _prefixes = ConcurrentHashMap.newKeySet( );
54 }
55
56 /**
57 * Gets the cache service name
58 *
59 * @return The service name
60 */
61 @Override
62 public String getName( )
63 {
64 return CACHE_SERVICE_NAME;
65 }
66
67 /**
68 * Get a cache key for an entity key
69 *
70 * @param strKey
71 * the entity key
72 * @return the cache key
73 */
74 String getEntityCacheKey( String strKey )
75 {
76 return "k:" + strKey;
77 }
78
79 /**
80 * Get a cache key for a prefix
81 *
82 * @param strPrefix
83 * the prefix
84 * @return the cache key
85 */
86 String getPrefixCacheKey( String strPrefix )
87 {
88 String strCacheKey = "p:" + strPrefix;
89 _prefixes.add( strCacheKey );
90 return strCacheKey;
91 }
92
93 /**
94 * Remove from the cache the values for all cached prefixes
95 */
96 void removeCachedPrefixes( )
97 {
98 _prefixes.forEach( ( String strPrefix ) -> removeKey( strPrefix ) );
99 }
100 }