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// the Apache License, Version 2.0 (the "License"); you may
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// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package backoff

// Backoff defines the interface for backoff strategies.
type Backoff interface {
	// Wait blocks for a duration of time governed by the backoff strategy.
	Wait() bool

	// Reset resets the backoff duration to an initial value governed by the backoff strategy.
	Reset()
}

// WaitOnError is a convenience method, if an error is received it will block, if not errors is
// received, the backoff will be resetted.
func WaitOnError(b Backoff, err error) bool {
	if err == nil {
		b.Reset()
		return true
	}
	return b.Wait()
}
