Module io.helidon.faulttolerance
Package io.helidon.faulttolerance

Interface Retry

All Superinterfaces:
FtHandler
public interface Retry extends FtHandler
Retry supports retry policies to be applied on an execution of asynchronous tasks.

In case you call the FtHandler.invokeMulti(java.util.function.Supplier) method, the following restriction applies:

  • In case at least one record was sent (one onNext was called), the retry will not trigger.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Interface
    Description
    static class 
    Retry.Builder
    Fluent API builder for Retry.
    static class 
    Retry.DelayingRetryPolicy
    A retry policy that prolongs the delays between retries by a defined factor.
    static class 
    Retry.ExponentialRetryPolicy
    A retry policy that increases the delay time following an exponential sequence.
    static class 
    Retry.FibonacciRetryPolicy
    A retry policy that increases the delay time following the Fibonacci sequence.
    static class 
    Retry.JitterRetryPolicy
    A retry policy that randomizes delays between execution using a "jitter" time.
    static interface 
    Retry.RetryPolicy
    Retry policy to handle delays between retries.

  • Method Summary

    Modifier and Type
    Method
    Description
    static Retry.Builder
    builder()
    A new builder to customize Retry configuration.
    long
    retryCounter()
    Number of times a method called has been retried.

    Methods inherited from interface io.helidon.faulttolerance.FtHandler

    invoke, invokeMulti, name

  • Method Details

    • builder

      static Retry.Builder builder()
      A new builder to customize Retry configuration.
      Returns:
      a new builder

    • retryCounter

      long retryCounter()
      Number of times a method called has been retried. This is a monotonically increasing counter over the lifetime of the handler.
      Returns:
      number ot times a method is retried.