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Rename AsyncSignalError to PollingSignalError
...and use it everywhere
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| package internal | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "time" | ||
| ) | ||
|
|
||
| type PollingSignalErrorType int | ||
|
|
||
| const ( | ||
| PollingSignalErrorTypeStopTrying PollingSignalErrorType = iota | ||
| PollingSignalErrorTypeTryAgainAfter | ||
| ) | ||
|
|
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| type PollingSignalError interface { | ||
| error | ||
| Wrap(err error) PollingSignalError | ||
| Attach(description string, obj any) PollingSignalError | ||
| Now() | ||
| } | ||
|
|
||
| var StopTrying = func(message string) PollingSignalError { | ||
| return &PollingSignalErrorImpl{ | ||
| message: message, | ||
| pollingSignalErrorType: PollingSignalErrorTypeStopTrying, | ||
| } | ||
| } | ||
|
|
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| var TryAgainAfter = func(duration time.Duration) PollingSignalError { | ||
| return &PollingSignalErrorImpl{ | ||
| message: fmt.Sprintf("told to try again after %s", duration), | ||
| duration: duration, | ||
| pollingSignalErrorType: PollingSignalErrorTypeTryAgainAfter, | ||
| } | ||
| } | ||
|
|
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| type PollingSignalErrorAttachment struct { | ||
| Description string | ||
| Object any | ||
| } | ||
|
|
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| type PollingSignalErrorImpl struct { | ||
| message string | ||
| wrappedErr error | ||
| pollingSignalErrorType PollingSignalErrorType | ||
| duration time.Duration | ||
| Attachments []PollingSignalErrorAttachment | ||
| } | ||
|
|
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| func (s *PollingSignalErrorImpl) Wrap(err error) PollingSignalError { | ||
| s.wrappedErr = err | ||
| return s | ||
| } | ||
|
|
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| func (s *PollingSignalErrorImpl) Attach(description string, obj any) PollingSignalError { | ||
| s.Attachments = append(s.Attachments, PollingSignalErrorAttachment{description, obj}) | ||
| return s | ||
| } | ||
|
|
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| func (s *PollingSignalErrorImpl) Error() string { | ||
| if s.wrappedErr == nil { | ||
| return s.message | ||
| } else { | ||
| return s.message + ": " + s.wrappedErr.Error() | ||
| } | ||
| } | ||
|
|
||
| func (s *PollingSignalErrorImpl) Unwrap() error { | ||
| if s == nil { | ||
| return nil | ||
| } | ||
| return s.wrappedErr | ||
| } | ||
|
|
||
| func (s *PollingSignalErrorImpl) Now() { | ||
| panic(s) | ||
| } | ||
|
|
||
| func (s *PollingSignalErrorImpl) IsStopTrying() bool { | ||
| return s.pollingSignalErrorType == PollingSignalErrorTypeStopTrying | ||
| } | ||
|
|
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| func (s *PollingSignalErrorImpl) IsTryAgainAfter() bool { | ||
| return s.pollingSignalErrorType == PollingSignalErrorTypeTryAgainAfter | ||
| } | ||
|
|
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| func (s *PollingSignalErrorImpl) TryAgainDuration() time.Duration { | ||
| return s.duration | ||
| } | ||
|
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| func AsPollingSignalError(actual interface{}) (*PollingSignalErrorImpl, bool) { | ||
| if actual == nil { | ||
| return nil, false | ||
| } | ||
| if actualErr, ok := actual.(error); ok { | ||
| var target *PollingSignalErrorImpl | ||
| if errors.As(actualErr, &target) { | ||
| return target, true | ||
| } else { | ||
| return nil, false | ||
| } | ||
| } | ||
|
|
||
| return nil, false | ||
| } |
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