forked from kubernetes/kubernetes
-
Notifications
You must be signed in to change notification settings - Fork 0
/
isolator.go
89 lines (75 loc) · 1.65 KB
/
isolator.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
package types
import (
"encoding/json"
)
var (
isolatorMap map[ACName]IsolatorValueConstructor
)
func init() {
isolatorMap = make(map[ACName]IsolatorValueConstructor)
}
type IsolatorValueConstructor func() IsolatorValue
func AddIsolatorValueConstructor(n ACName, i IsolatorValueConstructor) {
isolatorMap[n] = i
}
type Isolators []Isolator
// GetByName returns the last isolator in the list by the given name.
func (is *Isolators) GetByName(name ACName) *Isolator {
var i Isolator
for j := len(*is) - 1; j >= 0; j-- {
i = []Isolator(*is)[j]
if i.Name == name {
return &i
}
}
return nil
}
// Unrecognized returns a set of isolators that are not recognized.
// An isolator is not recognized if it has not had an associated
// constructor registered with AddIsolatorValueConstructor.
func (is *Isolators) Unrecognized() Isolators {
u := Isolators{}
for _, i := range *is {
if i.value == nil {
u = append(u, i)
}
}
return u
}
type IsolatorValue interface {
UnmarshalJSON(b []byte) error
AssertValid() error
}
type Isolator struct {
Name ACName `json:"name"`
ValueRaw *json.RawMessage `json:"value"`
value IsolatorValue
}
type isolator Isolator
func (i *Isolator) Value() IsolatorValue {
return i.value
}
func (i *Isolator) UnmarshalJSON(b []byte) error {
var ii isolator
err := json.Unmarshal(b, &ii)
if err != nil {
return err
}
var dst IsolatorValue
con, ok := isolatorMap[ii.Name]
if ok {
dst = con()
err = dst.UnmarshalJSON(*ii.ValueRaw)
if err != nil {
return err
}
err = dst.AssertValid()
if err != nil {
return err
}
}
i.value = dst
i.ValueRaw = ii.ValueRaw
i.Name = ii.Name
return nil
}