Examples with DescribeDatasetGroupRequest com.amazonaws.services.personalize.model.DescribeDatasetGroupRequest used on opensource projects

Example 1 with DescribeDatasetGroupRequest

use of com.amazonaws.services.personalize.model.DescribeDatasetGroupRequest in project knime-cloud by knime.

the class AbstractAmazonPersonalizeDataUploadNodeModel method createDatasetGroup.

// Creates a new dataset group if not already existing
private String createDatasetGroup(final AmazonPersonalize personalizeClient, final ExecutionContext exec) throws InterruptedException {
    exec.setMessage("Creating dataset group");
    final ListDatasetGroupsRequest listDatasetGroupsRequest = new ListDatasetGroupsRequest();
    final ListDatasetGroupsResult listDatasetGroups = personalizeClient.listDatasetGroups(listDatasetGroupsRequest);
    final String datasetGroupName = m_settings.getSelectedDatasetGroup();
    final String datasetGroupArn;
    final boolean existing = listDatasetGroups.getDatasetGroups().stream().anyMatch(e -> e.getName().equals(datasetGroupName));
    if (!existing) {
        // Create new dataset group
        final CreateDatasetGroupResult createDatasetGroup = personalizeClient.createDatasetGroup(new CreateDatasetGroupRequest().withName(datasetGroupName));
        datasetGroupArn = createDatasetGroup.getDatasetGroupArn();
    } else {
        final Optional<DatasetGroupSummary> dataGroupSummary = listDatasetGroups.getDatasetGroups().stream().filter(e -> e.getName().equals(datasetGroupName)).findFirst();
        if (!dataGroupSummary.isPresent()) {
            // should never happen
            throw new IllegalStateException("Dataset group with name '" + datasetGroupName + "' not present.");
        }
        datasetGroupArn = dataGroupSummary.get().getDatasetGroupArn();
    }
    // Wait until dataset group is created and ACTIVE (even if the group already existed, make sure it's ACTIVE)
    final DescribeDatasetGroupRequest describeDatasetGroupRequest = new DescribeDatasetGroupRequest();
    describeDatasetGroupRequest.setDatasetGroupArn(datasetGroupArn);
    AmazonPersonalizeUtils.waitUntilActive(() -> {
        final DescribeDatasetGroupResult datasetGroupDescription = personalizeClient.describeDatasetGroup(describeDatasetGroupRequest);
        final String status = datasetGroupDescription.getDatasetGroup().getStatus();
        exec.setMessage("Creating dataset group (Status: " + status + ")");
        if (status.equals(Status.CREATED_FAILED.getStatus())) {
            if (!existing) {
                // Delete the dataset group that we tried to create
                personalizeClient.deleteDatasetGroup(new DeleteDatasetGroupRequest().withDatasetGroupArn(datasetGroupArn));
                // Wait until the dataset group is deleted (should usually be very quick but you never know...)
                try {
                    AmazonPersonalizeUtils.waitUntilActive(() -> {
                        return !personalizeClient.listDatasetGroups(listDatasetGroupsRequest).getDatasetGroups().stream().anyMatch(e -> e.getName().equals(datasetGroupName));
                    }, 50);
                } catch (InterruptedException e1) {
                // unlikely case
                // do nothing, the deletion will be further processed by amazon
                }
                throw new IllegalStateException("Dataset group creation failed. Reason: " + datasetGroupDescription.getDatasetGroup().getFailureReason());
            }
            throw new IllegalStateException("The selected dataset group is in an invalid state: " + Status.CREATED_FAILED.getStatus() + ". Reason: " + datasetGroupDescription.getDatasetGroup().getFailureReason());
        }
        return status.equals(Status.ACTIVE.getStatus());
    }, 500);
    exec.setProgress(1);
    return datasetGroupArn;
}