protected ProgressEvent preCreate()

in aws-lightsail-loadbalancer/src/main/java/software/amazon/lightsail/loadbalancer/helpers/handler/LoadBalancerHandler.java [64:85]


    protected ProgressEvent<ResourceModel, CallbackContext> preCreate(
            final ProgressEvent<ResourceModel, CallbackContext> progress) {
        val loadBalancer = getLoadBalancer(resourceModelRequest, proxyClient, logger);
        if (callbackContext.getIsPreCheckDone(PRE_CHECK_CREATE)) {
            return progress;
        }
        logger.log("Executing AWS-Lightsail-LoadBalancer::Create::PreExistenceCheck...");
        return proxy
                .initiate("AWS-Lightsail-LoadBalancer::Create::PreExistenceCheck", proxyClient, progress.getResourceModel(),
                        progress.getCallbackContext())
                .translateToServiceRequest(Translator::translateToReadRequest).makeServiceCall((awsRequest, client) -> {
                    loadBalancer.read(awsRequest);
                    logger.log(String.format("%s has successfully been read.", ResourceModel.TYPE_NAME));
                    throw new CfnAlreadyExistsException(ResourceType.LOAD_BALANCER.toString(),
                            ((GetLoadBalancerRequest) awsRequest).loadBalancerName());
                }).handleError((awsRequest, exception, client, model, context) -> {
                    callbackContext.getIsPreCheckDone().put(PRE_CHECK_CREATE, true);
                    return handleError(exception, model, callbackContext,
                            ImmutableList.of(InvalidInputException, NotFoundException), logger,
                            this.getClass().getSimpleName());
                }).progress();
    }