/// <summary>
/// Notifies that <paramref name="item" /> was processed.
/// Note that this method is not thread safe.
/// </summary>
public bool Completed <TParent> ([NotNull] SplitJoinItem <TParent, TItem> item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (this.completedItemsCount >= this.totalItemsCount)
{
throw new InvalidOperationException("Completed items count already equal to total items count.");
}
if (item.Result == null)
{
throw new InvalidOperationException("Item has not been completed.");
}
switch (item.Result)
{
case SplitJoinItemResult.Success:
{
this.succeffullyCompletedItems.Add(item.Item);
break;
}
case SplitJoinItemResult.Failure:
{
this.failedItems.Add(new SplitJoinFailedItem <TItem> (item.Item, item.Exception));
break;
}
default:
throw new NotSupportedException("item.Result: " + item.Result);
}
this.completedItemsCount++;
return(this.completedItemsCount == this.totalItemsCount);
}
CreateTransformBlock <TParent, TInputItem, TOutputItem>
([NotNull] Func <TParent, TInputItem, TOutputItem> process,
ExecutionDataflowBlockOptions options = null,
Action <Exception, SplitJoinItem <TParent, TInputItem> > defaultExceptionLogger = null)
{
if (process == null)
{
throw new ArgumentNullException(nameof(process));
}
var block = new TransformBlock <SplitJoinItem <TParent, TInputItem>, SplitJoinItem <TParent, TOutputItem> >
(splitJoinItem =>
{
if (splitJoinItem == null)
{
throw new ArgumentNullException(nameof(splitJoinItem));
}
if (splitJoinItem.Result == SplitJoinItemResult.Failure)
{
var new_split_join_item = new SplitJoinItem <TParent, TOutputItem> (splitJoinItem.Parent,
default(TOutputItem),
splitJoinItem.TotalItemsCount);
new_split_join_item.Failed(splitJoinItem.Exception);
return(new_split_join_item);
}
try
{
var item = process(splitJoinItem.Parent, splitJoinItem.Item);
var new_split_join_item = new SplitJoinItem <TParent, TOutputItem> (splitJoinItem.Parent,
item,
splitJoinItem.TotalItemsCount);
new_split_join_item.CompletedSuccessfully();
return(new_split_join_item);
}
catch (Exception ex)
{
var logger = splitJoinItem.Item as IDataflowErrorLogger;
if (logger != null)
{
logger.OnException(ex);
}
else if (defaultExceptionLogger != null)
{
defaultExceptionLogger(ex, splitJoinItem);
}
var new_split_join_item = new SplitJoinItem <TParent, TOutputItem> (splitJoinItem.Parent,
default(TOutputItem),
splitJoinItem.TotalItemsCount);
new_split_join_item.Failed(ex);
return(new_split_join_item);
}
},
options ?? new ExecutionDataflowBlockOptions());
return(block);
}
