// TODO: Add Error(Exception) override function to Task to support better error handling
public override void Execute()
{
ItemScore itemScore = null;
// Step 1: Score the Item
try
{
// Note: This is sync but it is OK since it is executed by 1 of the thread pool threads so it is async to the original caller
itemScore = scorerImpl.ScoreItem(studentResponse, null);
}
catch (Exception ex)
{
// Exception scoring item. Prepare an error report
itemScore = new ItemScore(-1, -1, ScoringStatus.ScoringError, null,
new ScoreRationale()
{
Msg = "Exception scoring item " + studentResponse.ItemIdentifier + "\n" + ex.Message, Exception = ex
},
null, studentResponse.ContextToken);
}
// Step 2: Use the callback to report the score
try
{
callback.ScoreAvailable(itemScore, studentResponse);
}
catch (Exception ex)
{
TDSLogger.Application.Error(new TraceLog("Item Scoring: Exception Reporting Score", ex));
}
}
public ItemScoreResponse(ItemScore itemScore, string contextToken)
{
Score = itemScore;
Score.ContextToken = contextToken;
}
public ItemScoreResponse(ItemScore itemScore)
{
Score = itemScore;
}