2 * Copyright 2001-2006 Internet2
\r
4 * Licensed under the Apache License, Version 2.0 (the "License");
\r
5 * you may not use this file except in compliance with the License.
\r
6 * You may obtain a copy of the License at
\r
8 * http://www.apache.org/licenses/LICENSE-2.0
\r
10 * Unless required by applicable law or agreed to in writing, software
\r
11 * distributed under the License is distributed on an "AS IS" BASIS,
\r
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
\r
13 * See the License for the specific language governing permissions and
\r
14 * limitations under the License.
\r
18 * @file xmltooling/util/ReplayCache.h
\r
20 * Helper class on top of StorageService for detecting message replay.
\r
23 #ifndef __xmltooling_replay_h__
\r
24 #define __xmltooling_replay_h__
\r
26 #include <xmltooling/util/StorageService.h>
\r
28 namespace xmltooling {
\r
31 * Helper class on top of StorageService for detecting message replay.
\r
33 class XMLTOOL_API ReplayCache
\r
35 MAKE_NONCOPYABLE(ReplayCache);
\r
39 * Creates a replay cache on top of a particular StorageService.
\r
41 * @param storage pointer to a StorageService, or NULL to keep cache in memory
\r
43 ReplayCache(StorageService* storage=NULL);
\r
45 virtual ~ReplayCache();
\r
48 * Returns true iff the check value is not found in the cache, and stores it.
\r
50 * @param context a context label to subdivide the cache
\r
51 * @param s value to check
\r
52 * @param expires time for disposal of value from cache
\r
54 virtual bool check(const char* context, const char* s, time_t expires);
\r
56 bool check(const char* context, const XMLCh* str, time_t expires) {
\r
57 auto_ptr_char temp(str);
\r
58 return check(context, temp.get(), expires);
\r
62 StorageService* m_storage;
\r
66 #endif /* __xmltooling_replay_h__ */
\r