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parentadapter.go
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113 lines (96 loc) · 2.87 KB
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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 workflow
import (
"sync"
"github.com/AliceO2Group/Control/core/task"
"github.com/AliceO2Group/Control/core/task/channel"
"github.com/pborman/uuid"
)
type GetEnvIdFunc func() uuid.Array
type ParentAdapter struct {
mu sync.Mutex
getEnvIdFunc GetEnvIdFunc
stateSubscriptions map[string]chan task.State
statusSubscriptions map[string]chan task.Status
}
func NewParentAdapter(getEnvId GetEnvIdFunc) *ParentAdapter {
return &ParentAdapter{
getEnvIdFunc: getEnvId,
stateSubscriptions: make(map[string]chan task.State),
statusSubscriptions: make(map[string]chan task.Status, 0),
}
}
func (p *ParentAdapter) SubscribeToStateChange(subscriptionId string, c chan task.State) {
p.mu.Lock()
defer p.mu.Unlock()
p.stateSubscriptions[subscriptionId] = c
}
func (p *ParentAdapter) UnsubscribeFromStateChange(subscriptionId string) {
p.mu.Lock()
defer p.mu.Unlock()
delete(p.stateSubscriptions, subscriptionId)
}
func (p *ParentAdapter) SubscribeToStatusChange(subscriptionId string, c chan task.Status) {
p.mu.Lock()
defer p.mu.Unlock()
p.statusSubscriptions[subscriptionId] = c
}
func (p *ParentAdapter) UnsubscribeFromStatusChange(subscriptionId string) {
p.mu.Lock()
defer p.mu.Unlock()
delete(p.statusSubscriptions, subscriptionId)
}
func (p *ParentAdapter) updateState(s task.State) {
p.mu.Lock()
defer p.mu.Unlock()
for _, ch := range p.stateSubscriptions {
select {
case ch <- s:
default:
}
}
}
func (p *ParentAdapter) updateStatus(s task.Status) {
p.mu.Lock()
defer p.mu.Unlock()
for _, ch := range p.statusSubscriptions {
select {
case ch <- s:
default:
}
}
}
func (i *ParentAdapter) GetParent() Updatable {
return nil
}
func (p *ParentAdapter) GetEnvironmentId() uuid.Array {
return p.getEnvIdFunc()
}
func (*ParentAdapter) GetPath() string {
return ""
}
func (*ParentAdapter) CollectOutboundChannels() []channel.Outbound {
return make([]channel.Outbound, 0)
}