protected ProgressEvent handleRequest()

in aws-licensemanager-license/src/main/java/software/amazon/licensemanager/license/CreateHandler.java [26:69]
21 lines of code
2 McCabe index (conditional complexity)

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

        this.logger = logger;
        final ResourceModel resourceModel = request.getDesiredResourceState();

        // Make sure the user isn't trying to assign values to readOnly properties
        if (hasReadOnlyProperties(resourceModel)) {
            throw new CfnInvalidRequestException("Attempting to set a ReadOnly Property.");
        }

        // TODO: Adjust Progress Chain according to your implementation
        // https://github.com/aws-cloudformation/cloudformation-cli-java-plugin/blob/master/src/main/java/software/amazon/cloudformation/proxy/CallChain.java

        return ProgressEvent.progress(resourceModel, callbackContext)
            // STEP 2 [create/stabilize progress chain - required for resource creation]
            .then(progress ->
                // If your service API throws 'ResourceAlreadyExistsException' for create requests then CreateHandler can return just proxy.initiate construction
                // STEP 2.0 [initialize a proxy context]
                // Implement client invocation of the create request through the proxyClient, which is already initialised with
                // caller credentials, correct region and retry settings
                proxy.initiate("AWS-LicenseManager-License::Create", proxyClient, resourceModel, callbackContext)

                    // STEP 2.1 [TODO: construct a body of a request]
                    .translateToServiceRequest(Translator::translateToCreateRequest)

                    // STEP 2.2 [TODO: make an api call]
                    .makeServiceCall((awsRequest, client) -> createLicense(progress, client, awsRequest, resourceModel, request))

                    // STEP 2.3 [TODO: stabilize step is not necessarily required but typically involves describing the resource until it is in a certain status, though it can take many forms]
                    // for more information -> https://docs.aws.amazon.com/cloudformation-cli/latest/userguide/resource-type-test-contract.html
                    // If your resource requires some form of stabilization (e.g. service does not provide strong consistency), you will need to ensure that your code
                    // accounts for any potential issues, so that a subsequent read/update requests will not cause any conflicts (e.g. NotFoundException/InvalidRequestException)
                    .stabilize((awsRequest, awsResponse, client, model, context) -> stabilizedOnCreate(model, awsResponse, client))
                    .progress()
                )

            // STEP 3 [TODO: describe call/chain to return the resource model]
            .then(progress -> new ReadHandler().handleRequest(proxy, request, callbackContext, proxyClient, logger));
    }