/
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 messagerequest
import (
"sync"
v1 "tkestack.io/tke/api/notify/v1"
)
type cachedMessageRequest struct {
// The cached state of the message request
state *v1.MessageRequest
}
type messageRequestCache struct {
mu sync.Mutex // protects message request Map
messageRequestMap map[string]*cachedMessageRequest
}
// ListKeys implements the interface required by DeltaFIFO to list the keys we
// already know about.
func (s *messageRequestCache) ListKeys() []string {
s.mu.Lock()
defer s.mu.Unlock()
keys := make([]string, 0, len(s.messageRequestMap))
for k := range s.messageRequestMap {
keys = append(keys, k)
}
return keys
}
// GetByKey returns the value stored in the messageRequestMap under the given key
func (s *messageRequestCache) GetByKey(key string) (interface{}, bool, error) {
s.mu.Lock()
defer s.mu.Unlock()
if v, ok := s.messageRequestMap[key]; ok {
return v, true, nil
}
return nil, false, nil
}
func (s *messageRequestCache) get(messageRequestName string) (*cachedMessageRequest, bool) {
s.mu.Lock()
defer s.mu.Unlock()
messageRequest, ok := s.messageRequestMap[messageRequestName]
return messageRequest, ok
}
func (s *messageRequestCache) Exist(messageRequestName string) bool {
s.mu.Lock()
defer s.mu.Unlock()
_, ok := s.messageRequestMap[messageRequestName]
return ok
}
func (s *messageRequestCache) getOrCreate(messageRequestName string) *cachedMessageRequest {
s.mu.Lock()
defer s.mu.Unlock()
messageRequest, ok := s.messageRequestMap[messageRequestName]
if !ok {
messageRequest = &cachedMessageRequest{}
s.messageRequestMap[messageRequestName] = messageRequest
}
return messageRequest
}
func (s *messageRequestCache) set(messageRequestName string, messageRequest *cachedMessageRequest) {
s.mu.Lock()
defer s.mu.Unlock()
s.messageRequestMap[messageRequestName] = messageRequest
}
func (s *messageRequestCache) delete(messageRequestName string) {
s.mu.Lock()
defer s.mu.Unlock()
delete(s.messageRequestMap, messageRequestName)
}