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EvictableEntryView.h
1 /*
2  * Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #ifndef HAZELCAST_CLIENT_INTERNAL_EVICTION_EVICTABLEENTRYVIEW_H_
17 #define HAZELCAST_CLIENT_INTERNAL_EVICTION_EVICTABLEENTRYVIEW_H_
18 
19 #include <assert.h>
20 #include <stdint.h>
21 
22 #include <boost/shared_ptr.hpp>
23 
24 #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
25 #pragma warning(push)
26 #pragma warning(disable: 4251) //for dll export
27 #endif
28 
29 namespace hazelcast {
30  namespace client {
31  namespace internal {
32  namespace eviction {
39  template <typename K, typename V>
41  public:
47  virtual int64_t getCreationTime() const = 0;
48 
54  virtual int64_t getLastAccessTime() const = 0;
55 
61  virtual int64_t getAccessHit() const = 0;
62 
68  virtual boost::shared_ptr<K> getKey() const {
69  assert(0);
70  return boost::shared_ptr<K>();
71  }
72 
78  virtual boost::shared_ptr<V> getValue() const {
79  assert(0);
80  return boost::shared_ptr<V>();
81  }
82  };
83  }
84  }
85  }
86 };
87 
88 #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
89 #pragma warning(pop)
90 #endif
91 
92 #endif /* HAZELCAST_CLIENT_INTERNAL_EVICTION_EVICTABLEENTRYVIEW_H_ */
Contract point (from the end user perspective) for serving/accessing entries that can be evicted...
Definition: EvictableEntryView.h:40
virtual int64_t getAccessHit() const =0
Gets the access hit count of this EvictableEntryView.
virtual int64_t getCreationTime() const =0
Gets the creation time of this EvictableEntryView in milliseconds.
virtual boost::shared_ptr< V > getValue() const
Gets the value of the entry.
Definition: EvictableEntryView.h:78
virtual boost::shared_ptr< K > getKey() const
Gets the key of the entry.
Definition: EvictableEntryView.h:68
virtual int64_t getLastAccessTime() const =0
Gets the latest access time difference of this EvictableEntryView in milliseconds.