summaryrefslogtreecommitdiffstats
path: root/src/uscxml/plugins/invoker/scxml/USCXMLInvoker.h
blob: 61931c62588c750f21734b7f799722ba5c3980c2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
/**
 *  @file
 *  @author     2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
 *  @copyright  Simplified BSD
 *
 *  @cond
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the FreeBSD license as published by the FreeBSD
 *  project.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 *  You should have received a copy of the FreeBSD license along with this
 *  program. If not, see <http://www.opensource.org/licenses/bsd-license>.
 *  @endcond
 */

#ifndef USCXMLINVOKER_H_OQFA21IO
#define USCXMLINVOKER_H_OQFA21IO

#include "uscxml/config.h"
#include "uscxml/interpreter/InterpreterImpl.h"
#include "uscxml/interpreter/BasicEventQueue.h"

#include "uscxml/plugins/InvokerImpl.h"

#ifdef BUILD_AS_PLUGINS
#include "uscxml/plugins/Plugins.h"
#endif

#define USCXML_INVOKER_SCXML_TYPE "http://www.w3.org/TR/scxml"

namespace uscxml {

/**
* @ingroup invoker
 * An invoker for other SCXML instances.
 */
class USCXMLInvoker :
	public InvokerImpl,
	public std::enable_shared_from_this<USCXMLInvoker> {
public:
	class ParentQueueImpl : public BasicEventQueue {
	public:
		ParentQueueImpl(USCXMLInvoker* invoker) : _invoker(invoker) {}
		virtual void enqueue(const Event& event);
		USCXMLInvoker* _invoker;
	};

	USCXMLInvoker();
	virtual ~USCXMLInvoker();
	virtual std::shared_ptr<InvokerImpl> create(InvokerCallbacks* callbacks);

	virtual std::list<std::string> getNames() {
		std::list<std::string> names;
		names.push_back("scxml");
		names.push_back("uscxml");
		names.push_back(USCXML_INVOKER_SCXML_TYPE);
		names.push_back("http://www.w3.org/TR/scxml/");
		return names;
	}

	virtual void eventFromSCXML(const Event& event);

	virtual Data getDataModelVariables();
	virtual void invoke(const std::string& source, const Event& invokeEvent);
	virtual void uninvoke();

	virtual void deserialize(const Data& encodedState);
	virtual Data serialize();

protected:

	void start();
	void stop();
	static void run(void* instance);

	bool _isActive;
	bool _isStarted;
	std::thread* _thread;
	EventQueue _parentQueue;
	Interpreter _invokedInterpreter;

	std::recursive_mutex _mutex;
	std::condition_variable_any _cond;

};

#ifdef BUILD_AS_PLUGINS
PLUMA_INHERIT_PROVIDER(USCXMLInvoker, InvokerImpl)
#endif

}

#endif /* end of include guard: USCXMLINVOKER_H_OQFA21IO */