/// <summary>
/// Read a single object from the stream.
/// </summary>
/// <returns>
/// The next object in the buffer or AutomationNull if buffer is closed
/// and data is not available.
/// </returns>
/// <remarks>
/// This method blocks if the buffer is empty.
/// </remarks>
public override ReturnType Read()
{
object result = AutomationNull.Value;
if (_datastore.Count > 0)
{
Collection<DataStoreType> resultCollection = _datastore.ReadAndRemove(1);
// ReadAndRemove returns a Collection<DataStoreType> type but we
// just want the single object contained in the collection.
if (resultCollection.Count == 1)
{
result = resultCollection[0];
}
}
return ConvertToReturnType(result);
}
private T GetData <T>(PSDataCollection <T> collection, int index)
{
if (!this.flush)
{
return(collection[index]);
}
Collection <T> collection2 = collection.ReadAndRemove(1);
if (collection2.Count > 0)
{
return(collection2[0]);
}
return(default(T));
}
