Module io.helidon.faulttolerance

Package io.helidon.faulttolerance

Interface Retry

All Superinterfaces:

FtHandler, RuntimeType.Api<RetryConfig>

public interface Retry
extends FtHandler, RuntimeType.Api<RetryConfig>

Retry supports retry policies to be applied on an execution of asynchronous tasks.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	Retry.DelayingRetryPolicy	A retry policy that prolongs the delays between retries by a defined factor.
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.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FT_RETRY_CALLS_TOTAL	Counter for all the calls in a retry.
static final String	FT_RETRY_RETRIES_TOTAL	Counter for all retry calls, excluding the initial call.

Method Summary

Modifier and Type	Method	Description
static RetryConfig.Builder	builder()	Create a new retry fluent API builder.
static Retry	create(RetryConfig retryConfig)	Create a new retry from its configuration.
static Retry	create(Consumer<RetryConfig.Builder> builderConsumer)	Create a new retry with customized configuration.
long	retryCounter()	Number of times a method called has been retried.

Methods inherited from interface io.helidon.faulttolerance.FtHandler

invoke, name

Methods inherited from interface io.helidon.builder.api.RuntimeType.Api

prototype

Field Details

FT_RETRY_CALLS_TOTAL

static final String FT_RETRY_CALLS_TOTAL

Counter for all the calls in a retry. Will always be greater than FT_RETRY_RETRIES_TOTAL that only counts actual retries.

See Also:

• Constant Field Values

FT_RETRY_RETRIES_TOTAL

static final String FT_RETRY_RETRIES_TOTAL

Counter for all retry calls, excluding the initial call.

See Also:

• Constant Field Values

Method Details

create

static Retry create(RetryConfig retryConfig)

Create a new retry from its configuration.

Parameters:

retryConfig - configuration of the retry to create

Returns:

a new retry

create

static Retry create(Consumer<RetryConfig.Builder> builderConsumer)

Create a new retry with customized configuration.

Parameters:

builderConsumer - consumer of builder

Returns:

a new retry customized through builder

builder

static RetryConfig.Builder builder()

Create a new retry fluent API builder.

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.