/// <summary>
/// Activates the dataset.
/// </summary>
/// <param name="preferredLocation">
/// Indicates a preferred machine location for the dataset to be distributed to.
/// </param>
/// <param name="machineSelector">
/// The function that selects the most suitable machine for the dataset to run on.
/// </param>
/// <remarks>
/// Note that the <paramref name="preferredLocation"/> is
/// only a suggestion. The loader may decide to ignore the suggestion if there is a distribution
/// plan that is better suited to the contents of the dataset.
/// </remarks>
public void Activate(
DistributionLocations preferredLocation,
Func <DistributionSuggestionProxy[], DistributionSuggestionProxy> machineSelector)
{
var selector = new MachineSelectorFacade(machineSelector);
m_Dataset.Activate(preferredLocation, selector);
}
/// <summary>
/// Activates the dataset.
/// </summary>
/// <param name="preferredLocation">
/// Indicates a preferred machine location for the dataset to be distributed to.
/// </param>
/// <param name="machineSelector">
/// The function that selects the most suitable machine for the dataset to run on.
/// </param>
/// <remarks>
/// Note that the <paramref name="preferredLocation"/> is
/// only a suggestion. The loader may decide to ignore the suggestion if there is a distribution
/// plan that is better suited to the contents of the dataset.
/// </remarks>
public void Activate(
DistributionLocations preferredLocation,
MachineSelectorFacade machineSelector)
{
Func <IEnumerable <DistributionSuggestion>, SelectedProposal> func =
enumerable =>
{
var selection = enumerable.ToList();
var proxies = selection.Select(s => new DistributionSuggestionProxy(s)).ToArray();
var result = machineSelector.SelectFrom(proxies);
var selectedPlan = selection.Find(s => s.Plan.MachineToDistributeTo.Equals(result.MachineToDistributeTo));
return(new SelectedProposal(selectedPlan.Plan));
};
// CancellationToken is not serializable hence ...
var token = new CancellationTokenSource();
m_Dataset.Activate(preferredLocation, func, token.Token)
.ContinueWith(t => token.Dispose());
}