software.amazon.lambda.powertools.idempotency

Class Idempotency

java.lang.Object

software.amazon.lambda.powertools.idempotency.Idempotency

public class Idempotency
extends java.lang.Object

Holds the configuration for idempotency:

• The persistence layer to use for persisting the request and response of the function (mandatory).
• The general configuration for idempotency (optional, see IdempotencyConfig.Builder methods to see defaults values.

Use it before the function handler (RequestHandler.handleRequest(Object, Context)) get called.
Example:

     Idempotency.config().withPersistenceStore(...).configure();
 

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Idempotency.Config

Method Summary

Modifier and Type	Method and Description
static Idempotency.Config	config() Acts like a builder that can be used to configure Idempotency
IdempotencyConfig	getConfig()
static Idempotency	getInstance()
BasePersistenceStore	getPersistenceStore()
static void	registerLambdaContext(com.amazonaws.services.lambda.runtime.Context lambdaContext) Can be used in a method which is not the handler to capture the Lambda context, to calculate the remaining time before the invocation times out.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Idempotency getInstance()

registerLambdaContext

public static void registerLambdaContext(com.amazonaws.services.lambda.runtime.Context lambdaContext)

Can be used in a method which is not the handler to capture the Lambda context, to calculate the remaining time before the invocation times out.

Parameters:

lambdaContext -

config

public static Idempotency.Config config()

Acts like a builder that can be used to configure Idempotency

Returns:

a new instance of Idempotency.Config

getConfig

public IdempotencyConfig getConfig()

getPersistenceStore

public BasePersistenceStore getPersistenceStore()