private ProgressEvent restoreDbInstanceFromSnapshot()

in aws-rds-dbinstance/src/main/java/software/amazon/rds/dbinstance/CreateHandler.java [122:157]
35 lines of code
3 McCabe index (conditional complexity)

    private ProgressEvent<ResourceModel, CallbackContext> restoreDbInstanceFromSnapshot(
            final AmazonWebServicesClientProxy proxy,
            final ProxyClient<RdsClient> rdsProxyClient,
            final ProgressEvent<ResourceModel, CallbackContext> progress
    ) {
        final ResourceModel resourceModel = progress.getResourceModel();
        if (resourceModel.getMultiAZ() == null) {
            try {
                final DBSnapshot snapshot = fetchDBSnapshot(rdsProxyClient, resourceModel);
                final String engine = snapshot.engine();
                resourceModel.setMultiAZ(getDefaultMultiAzForEngine(engine));
            } catch (Exception e) {
                return Commons.handleException(progress, e, RESTORE_DB_INSTANCE_ERROR_RULE_SET);
            }
        }

        return proxy.initiate(
                "rds::restore-db-instance-from-snapshot",
                rdsProxyClient,
                resourceModel,
                progress.getCallbackContext()
        ).translateToServiceRequest(Translator::restoreDbInstanceFromSnapshotRequest)
                .backoffDelay(config.getBackoff())
                .makeServiceCall((restoreRequest, proxyInvocation) -> proxyInvocation.injectCredentialsAndInvokeV2(
                        restoreRequest,
                        proxyInvocation.client()::restoreDBInstanceFromDBSnapshot
                ))
                .stabilize((request, response, proxyInvocation, model, context) ->
                        isDbInstanceStabilized(proxyInvocation, model))
                .handleError((request, exception, client, model, context) -> Commons.handleException(
                        ProgressEvent.progress(model, context),
                        exception,
                        RESTORE_DB_INSTANCE_ERROR_RULE_SET
                ))
                .progress();
    }