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transition_reset.go
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transition_reset.go
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/*
* === 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 environment
import (
"errors"
"github.com/AliceO2Group/Control/common/event"
"github.com/AliceO2Group/Control/core/task"
)
func NewResetTransition(taskman *task.Manager) Transition {
return &ResetTransition{
baseTransition: baseTransition{
name: "RESET",
taskman: taskman,
},
}
}
type ResetTransition struct {
baseTransition
}
func (t ResetTransition) do(env *Environment) (err error) {
if env == nil {
return errors.New("cannot transition in NIL environment")
}
taskmanMessage := task.NewTransitionTaskMessage(
env.Workflow().GetTasks(),
task.CONFIGURED.String(),
task.RESET.String(),
task.STANDBY.String(),
nil,
env.Id(),
)
t.taskman.MessageChannel <- taskmanMessage
incomingEv := <-env.stateChangedCh
// If some tasks failed to transition
if tasksStateErrors := incomingEv.GetTasksStateChangedError(); tasksStateErrors != nil {
return tasksStateErrors
}
env.sendEnvironmentEvent(&event.EnvironmentEvent{EnvironmentID: env.Id().String(), State: "RESET"})
return
}