Package alluxio.retry

Class SleepingRetry

  • All Implemented Interfaces:
    RetryPolicy
    Direct Known Subclasses:
    ExponentialBackoffRetry
    @NotThreadSafe
public abstract class SleepingRetry
extends java.lang.Object
implements RetryPolicy
    A retry policy that uses thread sleeping for the delay.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected SleepingRetry​(int maxRetries)  

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      boolean attempt()
      Waits until it is time to perform the next retry, then returns.
      int getAttemptCount()
      How many retries have been performed.
      protected abstract long getSleepTime()
      How long to sleep before the next retry is performed.
      protected java.util.concurrent.TimeUnit getSleepUnit()
      Unit of time that getSleepTime() is measured in.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • SleepingRetry

        protected SleepingRetry​(int maxRetries)

    • Method Detail

      • getAttemptCount

        public int getAttemptCount()
        Description copied from interface: RetryPolicy
        How many retries have been performed. If no retries have been performed, 0 is returned.
        Specified by:
        getAttemptCount in interface RetryPolicy
        Returns:
        number of retries performed

      • attempt

        public boolean attempt()
        Description copied from interface: RetryPolicy
        Waits until it is time to perform the next retry, then returns. Returns false if no further retries should be performed. The first call to this method should never delay the caller, this allow users of the policy to use it in the context of a while-loop.
        Specified by:
        attempt in interface RetryPolicy
        Returns:
        whether another retry should be performed

      • getSleepUnit

        protected java.util.concurrent.TimeUnit getSleepUnit()
        Unit of time that getSleepTime() is measured in. Defaults to TimeUnit.MILLISECONDS.

      • getSleepTime

        protected abstract long getSleepTime()
        How long to sleep before the next retry is performed. This method is used with getSleepUnit(), so all time given here must match the unit provided.