/// <summary>
/// Initializes the task scheduler with all configured scheduler tasks.
/// </summary>
/// <param name="dbSet">The set of active Mosaic databases.</param>
/// <returns><c>true</c> if initialization was successful;<c>false</c> otherwise.</returns>
public bool Initialize(DatabaseSet dbSet)
{
if (dbSet == null)
{
throw new ArgumentException("Invalid dbSet specified.");
}
this.Trace("Initializing task scheduler...");
_taskConverterStreams.Clear();
_taskConverterStreamConfig.Clear();
try
{
List<Component> componentList = dbSet.Productive.Query<Component>(new CommandFilter("Type", ComponentType.SchedulerTask.ToString()));
foreach (Component component in componentList)
{
if (component.IsActive == false)
{
continue;
}
this.Info("Initializing scheduler task '{0}' with ID '{1}'.", component.Description, component.ID);
ISchedulerTask task = ComponentLoader.LoadInterface<ISchedulerTask>(component.Assembly, component.ClassName);
if (task == null)
{
this.Fatal("Scheduler task '{0}' with ID '{1}' in assembly '{2}' and class '{3}' could not be found.",
component.Description, component.ID, component.Assembly, component.ClassName);
return false;
}
if (task.Initialize(component.ID,
dbSet.Productive.Query<ConfigurationValue>(new CommandFilter("ComponentID", component.ID)),
dbSet) == false)
{
this.Error("Initializing scheduler task '{0}' with ID '{1}' failed.", component.Description, component.ID);
return false;
}
List<int> converterConfiguration = new List<int>();
var connectedConverterList = dbSet.Productive.Query<Component>(new CommandFilter("ConnectedComponentID", component.ID));
foreach (var converter in connectedConverterList)
{
converterConfiguration.Add(converter.ID);
}
_taskConverterStreams.Add(task, new List<IConverterStream>());
_taskConverterStreamConfig.Add(task, converterConfiguration);
}
return true;
}
catch (Exception ex)
{
this.Error("Initializing scheduler tasks failed.", ex);
}
return false;
}
