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StateMachine.h
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1 #ifndef GAUDIKERNEL_STATEMACHINE_H_
2 #define GAUDIKERNEL_STATEMACHINE_H_
3
4 #include "GaudiKernel/GaudiException.h"
5
6 namespace Gaudi {
7 namespace StateMachine {
12 enum State {
13 OFFLINE,
14 CONFIGURED,
15 INITIALIZED,
16 RUNNING//,
17 //FINALIZED = CONFIGURED
18 };
19
23 enum Transition {
24 CONFIGURE, // OFFLINE -> CONFIGURED
25 INITIALIZE, // CONFIGURED -> INITIALIZED
26 START, // INITIALIZED -> RUNNING
27 STOP, // RUNNING -> INITIALIZED
28 FINALIZE, // INITIALIZED -> CONFIGURED
29 TERMINATE // CONFIGURED -> OFFLINE
30 };
31
36 State GAUDI_API ChangeState(const Transition transition, const State state);
37
39 inline std::ostream & operator << (std::ostream & s, const Gaudi::StateMachine::State &st) {
40 switch (st) {
41 case Gaudi::StateMachine::OFFLINE : return s << "OFFLINE";
42 case Gaudi::StateMachine::CONFIGURED : return s << "CONFIGURED";
43 case Gaudi::StateMachine::INITIALIZED : return s << "INITIALIZED";
44 case Gaudi::StateMachine::RUNNING : return s << "RUNNING";
45 }
46 return s; // cannot be reached, but make the compiler happy
47 }
48
50 inline std::ostream & operator << (std::ostream & s, const Gaudi::StateMachine::Transition &t) {
51 switch (t) {
52 case Gaudi::StateMachine::CONFIGURE : return s << "CONFIGURE";
53 case Gaudi::StateMachine::INITIALIZE : return s << "INITIALIZE";
54 case Gaudi::StateMachine::START : return s << "START";
55 case Gaudi::StateMachine::STOP : return s << "STOP";
56 case Gaudi::StateMachine::FINALIZE : return s << "FINALIZE";
57 case Gaudi::StateMachine::TERMINATE : return s << "TERMINATE";
58 }
59 return s; // cannot be reached, but make the compiler happy
60 }
61
62 } // namespace StateMachine
63 } // namespace Gaudi
64
65 #endif /*GAUDIKERNEL_STATEMACHINE_H_*/
Gaudi::StateMachine::INITIALIZED
Definition: StateMachine.h:15
Gaudi::StateMachine::CONFIGURED
Definition: StateMachine.h:14
compareRootHistos.state
state
Definition: compareRootHistos.py:348
Gaudi::StateMachine::FINALIZE
Definition: StateMachine.h:28
Gaudi::StateMachine::operator<<
std::ostream & operator<<(std::ostream &s, const Gaudi::StateMachine::State &st)
Pretty print of states.
Definition: StateMachine.h:39
Gaudi::StateMachine::State
State
Allowed states for classes implementing the state machine (ApplicationMgr, Algorithm, Service, AlgTool).
Definition: StateMachine.h:12
Gaudi::StateMachine::CONFIGURE
Definition: StateMachine.h:24
Gaudi::StateMachine::INITIALIZE
Definition: StateMachine.h:25
GaudiException.h
Gaudi::StateMachine::STOP
Definition: StateMachine.h:27
Gaudi::StateMachine::RUNNING
Definition: StateMachine.h:16
Gaudi::StateMachine::ChangeState
State GAUDI_API ChangeState(const Transition transition, const State state)
Function to get the new state according to the required transition, checking if the transition is all...
Definition: StateMachine.cpp:8
Gaudi::StateMachine::TERMINATE
Definition: StateMachine.h:29
Gaudi::StateMachine::Transition
Transition
Allowed transitions between states.
Definition: StateMachine.h:23
gaudirun.s
string s
Definition: gaudirun.py:245
Gaudi::StateMachine::START
Definition: StateMachine.h:26
Gaudi::StateMachine::OFFLINE
Definition: StateMachine.h:13
GAUDI_API
#define GAUDI_API
Definition: Kernel.h:107
std::ostream
STL class.
Gaudi
Helper functions to set/get the application return code.
Definition: __init__.py:1