com.amazonaws.serverless.proxy.internal

Class LambdaContainerHandler<RequestType,ResponseType,ContainerRequestType,ContainerResponseType>

java.lang.Object

com.amazonaws.serverless.proxy.internal.LambdaContainerHandler<RequestType,ResponseType,ContainerRequestType,ContainerResponseType>

Type Parameters:

RequestType - The expected request object. This is the model class that the event JSON is de-serialized to

ResponseType - The expected Lambda function response object. Responses from the container will be written to this model object

ContainerRequestType - The request type for the wrapped Java container

ContainerResponseType - The response or response writer type for the wrapped Java container

public abstract class LambdaContainerHandler<RequestType,ResponseType,ContainerRequestType,ContainerResponseType>
extends Object

Abstract class that declares the basic methods and objects for implementations of LambdaContainerHandler.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LambdaContainerHandler(RequestReader<RequestType,ContainerRequestType> requestReader, ResponseWriter<ContainerResponseType,ResponseType> responseWriter, SecurityContextWriter<RequestType> securityContextWriter, ExceptionHandler<ResponseType> exceptionHandler)

Method Summary

Modifier and Type	Method and Description
protected abstract ContainerResponseType	getContainerResponse(CountDownLatch latch)
protected abstract void	handleRequest(ContainerRequestType containerRequest, ContainerResponseType containerResponse, com.amazonaws.services.lambda.runtime.Context lambdaContext)
ResponseType	proxy(RequestType request, com.amazonaws.services.lambda.runtime.Context context) Proxies requests to the underlying container given the incoming Lambda request.

Methods inherited from class java.lang.Object

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

Constructor Detail

LambdaContainerHandler

protected LambdaContainerHandler(RequestReader<RequestType,ContainerRequestType> requestReader,
                                 ResponseWriter<ContainerResponseType,ResponseType> responseWriter,
                                 SecurityContextWriter<RequestType> securityContextWriter,
                                 ExceptionHandler<ResponseType> exceptionHandler)

Method Detail

getContainerResponse

protected abstract ContainerResponseType getContainerResponse(CountDownLatch latch)

handleRequest

protected abstract void handleRequest(ContainerRequestType containerRequest,
                                      ContainerResponseType containerResponse,
                                      com.amazonaws.services.lambda.runtime.Context lambdaContext)
                               throws Exception

Throws:

Exception

proxy

public ResponseType proxy(RequestType request,
                          com.amazonaws.services.lambda.runtime.Context context)

Proxies requests to the underlying container given the incoming Lambda request. This method returns a populated return object for the Lambda function.

Parameters:

request - The incoming Lambda request

context - The execution context for the Lambda function

Returns:

A valid response type