Mercurial > hg > orthanc-stone

annotate Framework/Messages/MessageBroker.h @ 828:28f99af358fa

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge + FusionMprSdl
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 29 May 2019 16:15:04 +0200
parents b70e9be013e4
children d492c3b71c65
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
1 /**
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
2 * Stone of Orthanc
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
439
b70e9be013e4 preparing for 2019
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 403
diff changeset
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
6 *
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
7 * This program is free software: you can redistribute it and/or
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
8 * modify it under the terms of the GNU Affero General Public License
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
9 * as published by the Free Software Foundation, either version 3 of
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
10 * the License, or (at your option) any later version.
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
11 *
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
12 * This program is distributed in the hope that it will be useful, but
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
15 * Affero General Public License for more details.
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
16 *
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
17 * You should have received a copy of the GNU Affero General Public License
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
19 **/
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
20
828
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
21 #pragma once
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
22
828
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
23 #include "../StoneException.h"
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
24
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
25 #include "boost/noncopyable.hpp"
403
99e31898910e IObservable.cpp
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 299
diff changeset
26
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
27 #include <set>
251
192e6e349e69 first usage of new message system (in SDL only)
am@osimis.io
parents: 250
diff changeset
28
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
29 namespace OrthancStone
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
30 {
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
31 class IObserver;
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
32
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
33 /*
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
34 * This is a central message broker. It keeps track of all observers and knows
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
35 * when an observer is deleted.
299
3897f9f28cfa backup work in progress: updated messaging framework with ICallable
am@osimis.io
parents: 268
diff changeset
36 * This way, it can prevent an observable to send a message to a deleted observer.
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
37 */
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
38 class MessageBroker : public boost::noncopyable
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
39 {
403
99e31898910e IObservable.cpp
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 299
diff changeset
40 private:
99e31898910e IObservable.cpp
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 299
diff changeset
41 std::set<const IObserver*> activeObservers_; // the list of observers that are currently alive (that have not been deleted)
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
42
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
43 public:
828
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
44 MessageBroker()
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
45 {
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
46 static bool created = false;
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
47 ORTHANC_ASSERT(!created, "One broker to rule them all!");
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
48 created = true;
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
49 }
28f99af358fa Merge + FusionMprSdl
Benjamin Golinvaux <bgo@osimis.io>
parents: 439
diff changeset
50
403
99e31898910e IObservable.cpp
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 299
diff changeset
51 void Register(const IObserver& observer)
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
52 {
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
53 activeObservers_.insert(&observer);
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
54 }
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
55
403
99e31898910e IObservable.cpp
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 299
diff changeset
56 void Unregister(const IObserver& observer)
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
57 {
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
58 activeObservers_.erase(&observer);
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
59 }
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
60
403
99e31898910e IObservable.cpp
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 299
diff changeset
61 bool IsActive(const IObserver& observer)
299
3897f9f28cfa backup work in progress: updated messaging framework with ICallable
am@osimis.io
parents: 268
diff changeset
62 {
403
99e31898910e IObservable.cpp
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 299
diff changeset
63 return activeObservers_.find(&observer) != activeObservers_.end();
299
3897f9f28cfa backup work in progress: updated messaging framework with ICallable
am@osimis.io
parents: 268
diff changeset
64 }
250
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
65 };
5e642859267e added new Observable/Observer & MessageBroker (not used yet)
am@osimis.io
parents:
diff changeset
66 }