public void Null_argument_tests()
{
IActivityItem activityItem = null;
Assert.Throws <ArgumentNullException>(() => activityItem.Result());
Assert.Throws <ArgumentNullException>(() => activityItem.Result <int>());
Assert.Throws <ArgumentNullException>(() => activityItem.HasCompleted());
}
/// <summary>
/// Access completed result of activity as TType object.
/// Throws exception when last event is not activity completed event.
/// </summary>
/// <param name="activityItem"></param>
/// <returns></returns>
public static TType Result <TType>(this IActivityItem activityItem)
{
Ensure.NotNull(activityItem, "activityItem");
var completedEvent = activityItem.LastEvent();
var activityCompletedEvent = completedEvent as ActivityCompletedEvent;
if (activityCompletedEvent == null)
{
throw new InvalidOperationException(string.Format(Resources.Activity_result_can_not_accessed,
typeof(ActivityCompletedEvent), completedEvent != null ? completedEvent.GetType().ToString() : "Unkown"));
}
return(activityCompletedEvent.Result <TType>());
}
/// <summary>
/// Access completed result of activity as TType object.
/// Throws exception when last event is not activity completed event.
/// </summary>
/// <param name="activityItem"></param>
/// <returns></returns>
public static TType Result <TType>(this IActivityItem activityItem)
{
Ensure.NotNull(activityItem, "activityItem");
var completedEvent = activityItem.LastEvent;
var activityCompletedEvent = completedEvent as ActivityCompletedEvent;
if (activityCompletedEvent == null)
{
throw new InvalidOperationException(string.Format(Resources.Activity_result_can_not_accessed,
typeof(ActivityCompletedEvent), completedEvent != null ? completedEvent.GetType().ToString() : "Unkown"));
}
try
{
if (typeof(TType).Primitive())
{
return((TType)Convert.ChangeType(activityCompletedEvent.Result, typeof(TType)));
}
}
catch (FormatException exception)
{
throw new InvalidCastException(string.Format(Resources.Can_not_deserialize_json_data_into_type, activityCompletedEvent.Result, typeof(TType)), exception);
}
return(activityCompletedEvent.Result.FromJson <TType>());
}
private static dynamic ParentResult(IActivityItem a) => a.ParentActivity().Result();
/// <summary>
/// Initializes an instance of <see cref="TrackActivityEventArgs"/> using the specified <see cref="IActivityItem"/>.
/// </summary>
/// <param name="activityItem">The <see cref="IActivityItem"/> describing the event.</param>
public TrackActivityEventArgs(IActivityItem activityItem)
{
ActivityItem = activityItem;
}
/// <summary>
/// Retruns the <see cref="ActivityTimedoutEvent"/> and if it is the last event, otherwise null is returned.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static ActivityTimedoutEvent LastTimedoutEvent(this IActivityItem item)
{
Ensure.NotNull(item, nameof(item));
return(item.LastEvent() as ActivityTimedoutEvent);
}
/// <summary> /// Returns true if the last event of activity is <see cref="ActivityCancelledEvent"/>. /// </summary> /// <param name="item"></param> /// <returns></returns> public static bool HasCancelled(this IActivityItem item) => item.LastCancelledEvent() != null;
/// <summary> /// Returns true if the last event of activity is <see cref="ActivityTimedoutEvent"/>. /// </summary> /// <param name="item"></param> /// <returns></returns> public static bool HasTimedout(this IActivityItem item) => item.LastTimedoutEvent() != null;
/// <summary> /// Returns true if the last event of activity is <see cref="ActivityFailedEvent"/>. /// </summary> /// <param name="item"></param> /// <returns></returns> public static bool HasFailed(this IActivityItem item) => item.LastFailedEvent() != null;
/// <summary> /// Returns true if the last event of activity is <see cref="ActivityCompletedEvent"/>. /// </summary> /// <param name="item"></param> /// <returns></returns> public static bool HasCompleted(this IActivityItem item) => item.LastCompletedEvent() != null;
/// <summary>
/// Retruns the <see cref="ActivityCompletedEvent"/> and if it is the last event, otherwise null is returned.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static ActivityCompletedEvent LastCompletedEvent(this IActivityItem item)
{
Ensure.NotNull(item, nameof(item));
return(item.LastEvent() as ActivityCompletedEvent);
}
/// <summary>
/// Retruns the <see cref="ActivityFailedEvent"/> and if it is the last event, otherwise null is returned.
/// </summary>
/// <param name="activityItem"></param>
/// <returns></returns>
public static ActivityFailedEvent LastFailedEvent(this IActivityItem activityItem)
{
Ensure.NotNull(activityItem, "activityItem");
return(activityItem.LastEvent as ActivityFailedEvent);
}
