protected ProgressEvent handleRequest()

in aws-route53recoveryreadiness-recoverygroup/src/main/java/software/amazon/route53recoveryreadiness/recoverygroup/UpdateHandler.java [24:60]

29 lines of code
6 McCabe index (conditional complexity)


    protected ProgressEvent<ResourceModel, CallbackContext> handleRequest(
        final AmazonWebServicesClientProxy proxy,
        final ResourceHandlerRequest<ResourceModel> request,
        final CallbackContext callbackContext,
        final ProxyClient<Route53RecoveryReadinessClient> proxyClient,
        final Logger logger) {

        this.logger = logger;

        final ResourceModel model = request.getDesiredResourceState();
        final ResourceModel previousModel = request.getPreviousResourceState();

        if (previousModel != null) {
            //Name needed to find Recovery Group to update, but is not itself update-able
            if (!previousModel.getRecoveryGroupName().equals(model.getRecoveryGroupName())) {
                throw new CfnNotUpdatableException(ResourceModel.TYPE_NAME, request.getDesiredResourceState().getRecoveryGroupName());
            }
            if (previousModel.getRecoveryGroupArn() != null && model.getRecoveryGroupArn() != null) {
                if (!model.getRecoveryGroupArn().equals(previousModel.getRecoveryGroupArn())) {
                    throw new CfnNotUpdatableException(ResourceModel.TYPE_NAME, request.getDesiredResourceState().getRecoveryGroupArn());
                }
            }
        }

        //check if resource exists
        GetRecoveryGroupRequest getRequest = GetRecoveryGroupRequest.builder().recoveryGroupName(request.getDesiredResourceState().getRecoveryGroupName()).build();
        preExistenceCheck(getRequest, proxyClient);

        return ProgressEvent.progress(request.getDesiredResourceState(), callbackContext)
            .then(progress ->
                proxy.initiate("AWS-Route53RecoveryReadiness-RecoveryGroup::Update", proxyClient, progress.getResourceModel(), progress.getCallbackContext())
                    .translateToServiceRequest(Translator::translateToUpdateRequest)
                    .makeServiceCall(this::updateRecoveryGroup)
                    .progress())

            .then(progress -> new ReadHandler().handleRequest(proxy, request, callbackContext, proxyClient, logger));
    }