/
transitioner.go
63 lines (56 loc) · 2.16 KB
/
transitioner.go
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
/*
* === This file is part of ALICE O² ===
*
* Copyright 2018 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
// Package transitioner defines the Transitioner interface, as well as
// its implementations in order to translate between internal O² state
// machine states and events, and the states and events of some other
// process state machine (such as the FairMQ Device state machine).
package transitioner
import (
"github.com/AliceO2Group/Control/common/logger"
"github.com/sirupsen/logrus"
"github.com/AliceO2Group/Control/common/controlmode"
)
var log = logger.New(logrus.StandardLogger(), "executorcontrol")
type EventInfo struct {
Evt string
Src string
Dst string
Args map[string]string
}
type Transitioner interface {
Commit(evt string, src string, dst string, args map[string]string) (finalState string, err error)
FromDeviceState(state string) string
}
func NewTransitioner(cm controlmode.ControlMode, transitionFunc DoTransitionFunc) Transitioner {
switch cm {
case controlmode.FAIRMQ:
return NewFairMQTransitioner(transitionFunc)
case controlmode.BASIC: fallthrough
case controlmode.HOOK: fallthrough
case controlmode.DIRECT: fallthrough
default:
return NewDirectTransitioner(transitionFunc)
}
}
type DoTransitionFunc func(ei EventInfo) (newState string, err error)