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31 lines
645 B
Go
31 lines
645 B
Go
package messaging
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import (
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"time"
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)
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const (
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MaxInt32 = 1<<31 - 1
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MaxRetries = MaxInt32
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)
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type SubscribeOptions struct {
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// The time to retry after it fails.
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RetryDelay time.Duration
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// If enable the retry time it will be incresed in power of two.
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// This means if your retry delay is 1s, the first retry will be after 1s,
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// the sencond 2s, the third 4s and so on.
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DelayedRetry bool
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// Max attempts to retry.
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MaxRetries int32
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}
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type EventHandler func(Event) error
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type Consumer interface {
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Subscribe(action string, handler EventHandler, options *SubscribeOptions) error
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Unsubscribe(action string) error
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Consume()
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Close()
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}
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