-
Notifications
You must be signed in to change notification settings - Fork 331
/
cache.go
94 lines (82 loc) · 2.66 KB
/
cache.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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* https://opensource.org/licenses/Apache-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package tappcontroller
import (
"sync"
v1 "tkestack.io/tke/api/platform/v1"
)
type cachedTappController struct {
// The cached state of the tapp controller
state *v1.TappController
}
type tappControllerCache struct {
mu sync.Mutex // protects tappControllerMap
tappControllerMap map[string]*cachedTappController
}
// ListKeys implements the interface required by DeltaFIFO to list the keys we
// already know about.
func (s *tappControllerCache) ListKeys() []string {
s.mu.Lock()
defer s.mu.Unlock()
keys := make([]string, 0, len(s.tappControllerMap))
for k := range s.tappControllerMap {
keys = append(keys, k)
}
return keys
}
// GetByKey returns the value stored in the tappControllerMap under the given key
func (s *tappControllerCache) GetByKey(key string) (interface{}, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
if v, ok := s.tappControllerMap[key]; ok {
return v, true, nil
}
return nil, false, nil
}
func (s *tappControllerCache) get(tappControllerName string) (*cachedTappController, bool) {
s.mu.Lock()
defer s.mu.Unlock()
tappController, ok := s.tappControllerMap[tappControllerName]
return tappController, ok
}
func (s *tappControllerCache) Exist(tappControllerName string) bool {
s.mu.Lock()
defer s.mu.Unlock()
_, ok := s.tappControllerMap[tappControllerName]
return ok
}
func (s *tappControllerCache) getOrCreate(tappControllerName string) *cachedTappController {
s.mu.Lock()
defer s.mu.Unlock()
tappController, ok := s.tappControllerMap[tappControllerName]
if !ok {
tappController = &cachedTappController{}
s.tappControllerMap[tappControllerName] = tappController
}
return tappController
}
func (s *tappControllerCache) set(tappControllerName string, tappController *cachedTappController) {
s.mu.Lock()
defer s.mu.Unlock()
s.tappControllerMap[tappControllerName] = tappController
}
func (s *tappControllerCache) delete(tappControllerName string) {
s.mu.Lock()
defer s.mu.Unlock()
delete(s.tappControllerMap, tappControllerName)
}