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47 lines
886 B
Go
47 lines
886 B
Go
package fx
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import "github.com/zeromicro/go-zero/core/errorx"
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const defaultRetryTimes = 3
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type (
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// RetryOption defines the method to customize DoWithRetry.
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RetryOption func(*retryOptions)
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retryOptions struct {
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times int
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}
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)
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// DoWithRetry runs fn, and retries if failed. Default to retry 3 times.
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func DoWithRetry(fn func() error, opts ...RetryOption) error {
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options := newRetryOptions()
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for _, opt := range opts {
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opt(options)
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}
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var berr errorx.BatchError
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for i := 0; i < options.times; i++ {
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if err := fn(); err != nil {
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berr.Add(err)
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} else {
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return nil
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}
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}
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return berr.Err()
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}
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// WithRetry customize a DoWithRetry call with given retry times.
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func WithRetry(times int) RetryOption {
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return func(options *retryOptions) {
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options.times = times
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}
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}
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func newRetryOptions() *retryOptions {
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return &retryOptions{
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times: defaultRetryTimes,
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}
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}
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