Mercurial > hg > orthanc-stone

annotate Framework/Messages/ObserverBase.h @ 1064:af4b9cba905f broker

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
simplify how observers are regsitered, and how callables are created
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 15 Oct 2019 13:46:01 +0200
parents
children 9d42f89b8c3c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1064
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Stone of Orthanc
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
6 *
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 * This program is free software: you can redistribute it and/or
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * modify it under the terms of the GNU Affero General Public License
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * as published by the Free Software Foundation, either version 3 of
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
10 * the License, or (at your option) any later version.
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
11 *
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 * This program is distributed in the hope that it will be useful, but
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * Affero General Public License for more details.
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
16 *
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
17 * You should have received a copy of the GNU Affero General Public License
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
19 **/
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
20
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22 #pragma once
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24 #include "ICallable.h"
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 #include "IObserver.h"
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
27 #include <Core/OrthancException.h>
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
28
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29 #include <boost/enable_shared_from_this.hpp>
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
31 namespace OrthancStone
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
32 {
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
33 template <typename TObserver>
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
34 class ObserverBase :
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
35 public IObserver,
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
36 public boost::enable_shared_from_this<TObserver>
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
37 {
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
38 public:
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
39 boost::shared_ptr<TObserver> GetSharedObserver()
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
40 {
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
41 try
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
42 {
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
43 return this->shared_from_this();
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
44 }
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
45 catch (boost::bad_weak_ptr&)
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
46 {
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
47 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
48 "Cannot get a shared pointer to an observer from a constructor");
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
49 }
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
50 }
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
51
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52 template <typename TMessage>
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
53 ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&))
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
54 {
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
55 return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod);
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
56 }
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
57 };
af4b9cba905f simplify how observers are regsitered, and how callables are created
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
58 }