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/*
* Copyright (C) 2017 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: jouyouyun <jouyouwen717@gmail.com>
*
* 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
* 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/>.
*/
package tasker
import (
"fmt"
"sync"
"time"
)
type DelayTaskManager struct {
taskMap map[string]*DelayTask
locker sync.Mutex
}
func NewDelayTaskManager() *DelayTaskManager {
return &DelayTaskManager{
taskMap: make(map[string]*DelayTask),
}
}
func (m *DelayTaskManager) AddTask(name string, duration time.Duration, cb interface{}) error {
m.locker.Lock()
defer m.locker.Unlock()
if _, ok := m.taskMap[name]; ok {
return fmt.Errorf("Task '%s' has exists", name)
}
task, err := NewDelayTask(duration, cb)
if err != nil {
return err
}
m.taskMap[name] = task
return nil
}
func (m *DelayTaskManager) GetTask(name string) (*DelayTask, error) {
m.locker.Lock()
defer m.locker.Unlock()
task, ok := m.taskMap[name]
if !ok {
return nil, fmt.Errorf("No task '%s' exists", name)
}
return task, nil
}
func (m *DelayTaskManager) DeleteTask(name string) {
m.locker.Lock()
defer m.locker.Unlock()
task, ok := m.taskMap[name]
if !ok {
return
}
task.Stop()
task = nil
delete(m.taskMap, name)
}
func (m *DelayTaskManager) Destroy() {
m.locker.Lock()
defer m.locker.Unlock()
for _, task := range m.taskMap {
task.Stop()
task = nil
}
m.taskMap = nil
}
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