/// <summary>
/// Sets a model id as the default model
/// </summary>
/// <param name="modelId">The model id to be set as default</param>
/// <param name="cancellationToken">The cancellation token assigned for the operation.</param>
/// <returns>
/// <value>true</value> if the model was set as default or <value>false</value> if
/// the model was not found or its status is not <see cref="ModelStatus.Completed"/>
/// </returns>
public async Task <bool> SetDefaultModelIdAsync(Guid modelId, CancellationToken cancellationToken)
{
ThrowIfDisposed();
Model newDefaultModel = await GetModelAsync(modelId, cancellationToken);
if (newDefaultModel?.Status != ModelStatus.Completed)
{
return(false);
}
// create a default model entity using the model id
var defaultModelEntity = new ModelIdTableEntity(DefaultModelIdKeyName, newDefaultModel.Id);
try
{
Trace.TraceInformation($"Setting the default model id to '{modelId}'");
bool result = await _modelsTable.InsertOrReplaceEntityAsync(defaultModelEntity, cancellationToken);
Trace.TraceInformation($"Default model id updated to '{modelId}' returned with '{result}'");
return(result);
}
catch (StorageException storageException)
{
var exception = new Exception(
$"Exception while trying to update default model id ({newDefaultModel.Id}) entity to the table",
storageException);
Trace.TraceError(exception.ToString());
throw exception;
}
}
/// <summary>
/// Gets the default model id.
/// </summary>
/// <returns>The default model id or <value>null</value> if a default model is not defined</returns>
/// <param name="cancellationToken">The cancellation token assigned for the operation.</param>
public async Task <Guid?> GetDefaultModelIdAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
try
{
Trace.TraceInformation("Getting the default model id from the table");
ModelIdTableEntity entity = await _modelsTable.GetEntityAsync <ModelIdTableEntity>(
DefaultModelIdKeyName, cancellationToken, nameof(ModelIdTableEntity.ModelId));
Guid?defaultModelId = entity?.ModelId;
Trace.TraceInformation($"Found the default model id {defaultModelId}");
return(defaultModelId);
}
catch (StorageException storageException)
{
var exception = new Exception("Exception while trying to get default model id entity from table",
storageException);
Trace.TraceError(exception.ToString());
throw exception;
}
}
