/// <summary>
/// Returns executions of items on queue <paramref name="queueId"/>
/// with optional type of <paramref name="taskType"/> in state(s) <paramref name="taskStates"/>.
/// </summary>
/// <param name="queueId">The ID of the queue to query.</param>
/// <param name="taskStates">The states to find tasks in.</param>
/// <param name="taskType">The type of task to filter by</param>
/// <typeparam name="TDirective">The type of directive used.</typeparam>
/// <returns>Any matching executions.</returns>
public IEnumerable <TaskInfo <TDirective> > GetExecutions <TDirective>
(
string queueId,
string taskType = null,
params MFTaskState[] taskStates
)
where TDirective : TaskDirective
{
var query = new TaskQuery();
query.Queue(queueId);
if (false == string.IsNullOrWhiteSpace(taskType))
{
query.TaskType(taskType);
}
query.TaskState(taskStates);
return(query
.FindTasks <TDirective>(this));
}
