/
classes.go
102 lines (85 loc) · 2.35 KB
/
classes.go
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2018-2023 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 taskclass
import (
"sync"
"time"
)
type Classes struct {
mu sync.RWMutex
classMap map[string]*Class
}
func (c *Classes) Do(f func(classMap *map[string]*Class) error) error {
c.mu.Lock()
defer c.mu.Unlock()
return f(&c.classMap)
}
func (c *Classes) Foreach(do func(string, *Class) bool) {
c.mu.Lock()
defer c.mu.Unlock()
for taskClassIdentifier, classPtr := range c.classMap {
ok := do(taskClassIdentifier, classPtr)
if !ok {
return
}
}
}
func (c *Classes) getMap() map[string]*Class {
c.mu.RLock()
defer c.mu.RUnlock()
return c.classMap
}
func (c *Classes) DeleteKey(key string) {
c.mu.Lock()
defer c.mu.Unlock()
delete(c.classMap, key)
}
func (c *Classes) DeleteKeys(keys []string) {
c.mu.Lock()
defer c.mu.Unlock()
for _, k := range keys {
delete(c.classMap, k)
}
}
func (c *Classes) UpdateClass(key string, class *Class) {
c.mu.Lock()
defer c.mu.Unlock()
class.UpdatedTimestamp = time.Now() // used for invalidating stale classcache entries
if _, ok := c.classMap[key]; ok { //contains
*c.classMap[key] = *class // update
} else {
c.classMap[key] = class // else add class as new entry
}
}
func (c *Classes) GetClass(key string) (class *Class, ok bool) {
c.mu.RLock()
defer c.mu.RUnlock()
class, ok = c.classMap[key]
return
}
func NewClasses() *Classes {
return &Classes{
classMap: make(map[string]*Class),
}
}