/
error.go
65 lines (56 loc) · 1.36 KB
/
error.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
package gopetri
import (
"fmt"
)
type ErrCode int
const (
ErrCodePlaceAlreadyRegistered ErrCode = iota + 1
ErrCodeTransitionAlreadyRegistered
ErrCodePlaceIsNotRegistered
ErrCodeUnexpectedAvailableTransitionsNumber
ErrCodeHasNotChipForNewPlace
ErrCodeNetInErrState
ErrCodeBeforePlaceReturnedErr
ErrCodeBeforeTransitReturnedErr
ErrCodeCantSetErrState
ErrCodeFinished
ErrCodeFromTransitionAlreadyRegistered
ErrCodeToTransitionAlreadyRegistered
ErrCodeConsumerNotSet
ErrCodePoolAlreadyInit
ErrCodeWaitingForNetFromPoolTooLong
)
// Error is err model of component.
type Error struct {
Code ErrCode `json:"code"`
Message string `json:"message"`
}
// NewError init error.
func NewError(errorCode ErrCode, msg string) *Error {
return &Error{
Code: errorCode,
Message: msg,
}
}
// NewErrorf init error by format.
func NewErrorf(errorCode ErrCode, format string, args ...interface{}) *Error {
return NewError(errorCode, fmt.Sprintf(format, args...))
}
// Is check error.
func (e *Error) Is(errorCode ErrCode) bool {
return e.Code == errorCode
}
func (e *Error) Error() string {
return e.Message
}
// Is compare err and error code. If err is not nil, is *Error type and have the same code or false.
func Is(err error, code ErrCode) bool {
if err == nil {
return false
}
error, ok := err.(*Error)
if !ok {
return false
}
return error.Code == code
}