OpenSplice ISO C++ 2 DCPS  v6.x
ISO C++ 2 OpenSplice Data Distribution Service Data-Centric Publish-Subscribe API
WeakReference.hpp
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1 #ifndef OMG_DDS_CORE_WEAK_REFERENCE_HPP_
2 #define OMG_DDS_CORE_WEAK_REFERENCE_HPP_
3 
4 /* Copyright 2010, Object Management Group, Inc.
5  * Copyright 2010, PrismTech, Corp.
6  * Copyright 2010, Real-Time Innovations, Inc.
7  * All rights reserved.
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  * http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  */
21 
22 #include <dds/core/Reference.hpp>
23 
24 namespace dds
25 {
26 namespace core
27 {
28 template <typename T>
30 }
31 }
40 template <typename T>
42 {
43 public:
44  typedef T ReferenceType;
45 
46 public:
50  WeakReference();
51 
57  WeakReference(const T& t);
58 
60  ~WeakReference();
68  bool expired();
69 
77  T lock();
78 
79 private:
80  typename T::DELEGATE_WEAK_REF_T impl_;
81 };
82 
83 #endif /* OMG_DDS_CORE_WEAK_REFERENCE_HPP_ */
The WeakReference class enables you to maintain a weak reference to a DDS reference type...
Definition: array.hpp:23