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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" | ||
) | ||
|
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type PollingSignalErrorType int | ||
|
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const ( | ||
PollingSignalErrorTypeStopTrying PollingSignalErrorType = iota | ||
PollingSignalErrorTypeTryAgainAfter | ||
) | ||
|
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type PollingSignalError interface { | ||
error | ||
Wrap(err error) PollingSignalError | ||
Attach(description string, obj any) PollingSignalError | ||
Now() | ||
} | ||
|
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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() | ||
} | ||
} | ||
|
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func (s *PollingSignalErrorImpl) Unwrap() error { | ||
if s == nil { | ||
return nil | ||
} | ||
return s.wrappedErr | ||
} | ||
|
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func (s *PollingSignalErrorImpl) Now() { | ||
panic(s) | ||
} | ||
|
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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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