Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Messages/ICallable.h @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Messages/ICallable.h@30deba7bc8e2 |
children | 8563ea5d8ae4 |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #pragma once | |
23 | |
24 #include "IMessage.h" | |
25 #include "IObserver.h" | |
26 | |
27 #include <Logging.h> | |
28 | |
29 #include <boost/noncopyable.hpp> | |
30 #include <boost/weak_ptr.hpp> | |
31 | |
32 #include <string> | |
33 #include <stdint.h> | |
34 | |
35 namespace OrthancStone | |
36 { | |
37 // This is referencing an object and member function that can be notified | |
38 // by an IObservable. The object must derive from IO | |
39 // The member functions must be of type "void Method(const IMessage& message)" or reference a derived class of IMessage | |
40 class ICallable : public boost::noncopyable | |
41 { | |
42 public: | |
43 virtual ~ICallable() | |
44 { | |
45 } | |
46 | |
47 virtual void Apply(const IMessage& message) = 0; | |
48 | |
49 virtual const MessageIdentifier& GetMessageIdentifier() = 0; | |
50 | |
51 // TODO - Is this needed? | |
52 virtual boost::weak_ptr<IObserver> GetObserver() const = 0; | |
53 }; | |
54 | |
55 | |
56 template <typename TObserver, | |
57 typename TMessage> | |
58 class Callable : public ICallable | |
59 { | |
60 private: | |
61 typedef void (TObserver::* MemberMethod) (const TMessage&); | |
62 | |
63 boost::weak_ptr<IObserver> observer_; | |
64 MemberMethod function_; | |
65 | |
66 public: | |
67 Callable(boost::shared_ptr<TObserver> observer, | |
68 MemberMethod function) : | |
69 observer_(observer), | |
70 function_(function) | |
71 { | |
72 } | |
73 | |
74 virtual void Apply(const IMessage& message) | |
75 { | |
76 boost::shared_ptr<IObserver> lock(observer_); | |
77 if (lock) | |
78 { | |
79 TObserver& observer = dynamic_cast<TObserver&>(*lock); | |
80 const TMessage& typedMessage = dynamic_cast<const TMessage&>(message); | |
81 (observer.*function_) (typedMessage); | |
82 } | |
83 } | |
84 | |
85 virtual const MessageIdentifier& GetMessageIdentifier() | |
86 { | |
87 return TMessage::GetStaticIdentifier(); | |
88 } | |
89 | |
90 virtual boost::weak_ptr<IObserver> GetObserver() const | |
91 { | |
92 return observer_; | |
93 } | |
94 }; | |
95 } |