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serial.go
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serial.go
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package goroutine
import (
"go.uber.org/multierr"
)
// SerialWithError ...
func SerialWithError(fns ...func() error) func() error {
return func() error {
var errs error
for _, fn := range fns {
errs = multierr.Append(errs, try(fn, nil))
}
return errs
}
}
// SerialUntilError 创建一个迭代器
func SerialUntilError(fns ...func() error) func() error {
return func() error {
for _, fn := range fns {
if err := try(fn, nil); err != nil {
return err
// return errors.Wrap(err, xstring.FunctionName(fn))
}
}
return nil
}
}
// WhenError 策略注入
type WhenError int
// ReturnWhenError ...
var (
// ReturnWhenError ...
ReturnWhenError WhenError = 1
// ContinueWhenError ...
ContinueWhenError WhenError = 2
// PanicWhenError ...
PanicWhenError WhenError = 3
// LastErrorWhenError ...
LastErrorWhenError WhenError = 4
)
// SerialWhenError ...
func SerialWhenError(we WhenError) func(fn ...func() error) func() error {
return func(fns ...func() error) func() error {
return func() error {
var errs error
for _, fn := range fns {
if err := try(fn, nil); err != nil {
switch we {
case ReturnWhenError: // 直接退出
return err
case ContinueWhenError: // 继续执行
errs = multierr.Append(errs, err)
case PanicWhenError: // panic
panic(err)
case LastErrorWhenError: // 返回最后一个错误
errs = err
}
}
}
return errs
}
}
}