Class FallbackConfig<R>

java.lang.Object

dev.failsafe.PolicyConfig<R>

dev.failsafe.FailurePolicyConfig<R>

dev.failsafe.FallbackConfig<R>

Type Parameters:

R - result type

public class FallbackConfig<R>
extends FailurePolicyConfig<R>

Configuration for a Fallback.

This class is threadsafe.

See Also:

• FallbackBuilder

Field Summary

Fields

Modifier and Type	Field	Description
(package private) boolean	async
(package private) EventListener<ExecutionAttemptedEvent<R>>	failedAttemptListener
(package private) CheckedFunction<ExecutionAttemptedEvent<R>, R>	fallback
(package private) CheckedFunction<ExecutionAttemptedEvent<R>, CompletableFuture<R>>	fallbackStage

Fields inherited from class FailurePolicyConfig

exceptionsChecked, failureConditions

Fields inherited from class PolicyConfig

failureListener, successListener

Constructor Summary

Constructors

Constructor	Description
FallbackConfig()
FallbackConfig(FallbackConfig<R> config)
FallbackConfig(CheckedFunction<ExecutionAttemptedEvent<R>, R> fallback, CheckedFunction<ExecutionAttemptedEvent<R>, CompletableFuture<R>> fallbackStage)

Method Summary

Modifier and Type	Method	Description
EventListener<ExecutionAttemptedEvent<R>>	getFailedAttemptListener()	Returns the failed attempt event listener.
CheckedFunction<ExecutionAttemptedEvent<R>, R>	getFallback()	Returns the fallback function, else null if a fallback stage function was configured instead.
CheckedFunction<ExecutionAttemptedEvent<R>, CompletableFuture<R>>	getFallbackStage()	Returns the fallback stage function, else null if a fallback function was configured instead.
boolean	isAsync()	Returns whether the Fallback is configured to handle execution results asynchronously, separate from execution.

Methods inherited from class FailurePolicyConfig

getFailureConditions, isExceptionsChecked

Methods inherited from class PolicyConfig

getFailureListener, getSuccessListener

Methods inherited from class Object

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

Field Details

fallback

CheckedFunction<ExecutionAttemptedEvent<R>, R> fallback

fallbackStage

CheckedFunction<ExecutionAttemptedEvent<R>, CompletableFuture<R>> fallbackStage

async

boolean async

failedAttemptListener

EventListener<ExecutionAttemptedEvent<R>> failedAttemptListener

Constructor Details

FallbackConfig

FallbackConfig()

FallbackConfig

FallbackConfig(FallbackConfig<R> config)

FallbackConfig

FallbackConfig(CheckedFunction<ExecutionAttemptedEvent<R>, R> fallback,
 CheckedFunction<ExecutionAttemptedEvent<R>, CompletableFuture<R>> fallbackStage)

Method Details

getFallback

public CheckedFunction<ExecutionAttemptedEvent<R>, R> getFallback()

Returns the fallback function, else null if a fallback stage function was configured instead.

See Also:

• Fallback.of(CheckedRunnable)
• Fallback.of(CheckedSupplier)
• Fallback.of(CheckedConsumer)
• Fallback.of(CheckedFunction)
• Fallback.of(Object)
• Fallback.ofException(CheckedFunction)
• Fallback.builder(CheckedRunnable)
• Fallback.builder(CheckedSupplier)
• Fallback.builder(CheckedConsumer)
• Fallback.builder(CheckedFunction)
• Fallback.builder(Object)
• Fallback.builderOfException(CheckedFunction)

getFallbackStage

public CheckedFunction<ExecutionAttemptedEvent<R>, CompletableFuture<R>> getFallbackStage()

Returns the fallback stage function, else null if a fallback function was configured instead.

See Also:

• Fallback.ofStage(CheckedSupplier)
• Fallback.ofStage(CheckedFunction)
• Fallback.builderOfStage(CheckedSupplier)
• Fallback.builderOfStage(CheckedFunction)

isAsync

public boolean isAsync()

Returns whether the Fallback is configured to handle execution results asynchronously, separate from execution.

See Also:

• FallbackBuilder.withAsync()

getFailedAttemptListener

public EventListener<ExecutionAttemptedEvent<R>> getFailedAttemptListener()

Returns the failed attempt event listener.

See Also:

• FallbackBuilder.onFailedAttempt(EventListener)