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由 Stephane Nicoll 提交于
Prior to this commit, DefaultMessageListenerContainer was recovering on failure using a fixed time interval, potentially in an infinite way. This commit adds an extra "backoff" property to the container that permits to fine tune the recovery interval using a BackOff instance. FixedBackOff provides a fixed interval between two attempts and a maximum number of retries. ExponentialBackOff increases an initial interval until a maximum interval has been reached. A BackOff instance can return a special "STOP" time value that indicates that no further attemps should be made. DefaultMessageListenerContainer uses this value to stop the container. protected method "sleepInbetweenRecoveryAttempts" has been renamed to "applyBackOff" and now returns a boolean that indicate if the back off has been applied and a new attempt should now be made. Issue: SPR-11746
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