public static RangeCollection Union(this RangeCollection rangeCollection1, RangeCollection rangeCollection2)
{
RangeCollection result = new RangeCollection(rangeCollection1);
result.AddRangeCollection(rangeCollection2);
return(result);
}
public void Add(RangeCollection rowCollection)
{
lock (_lockObj)
{
_rangePendingCheckin.AddRangeCollection(rowCollection);
if (_rangePendingCheckin.Count() >= _bufferSize)
{
NonBlockingFlush();
}
}
}
//!!!could the begin and last be removed and just use long.MinValue, etc????
public static RangeCollection Except(this RangeCollection rangeCollectionMain, RangeCollection rangeCollectionToSubtract, long fullRangeBegin, long fullRangeLast)
{
if (rangeCollectionToSubtract.IsEmpty)
{
return(rangeCollectionMain);
}
RangeCollection rangeCollection = rangeCollectionMain.Complement(fullRangeBegin, fullRangeLast);
rangeCollection.AddRangeCollection(rangeCollectionToSubtract);
RangeCollection result = rangeCollection.Complement(fullRangeBegin, fullRangeLast);
return(result);
}
/// <summary>
/// Only call this in a lock...
/// </summary>
private bool AsynchronousAddRangeToStream(RangeCollection itemsToAdd, int itemCount)
{
string completedRanges = null;
RangeCollection completedRangeCollection = null;
//StreamReader reader = null;
//StreamWriter writer = null;
try
{
//reader = new StreamReader(rangeFileStream);
//completedRanges = reader.ReadToEnd();
completedRanges = _sharedRangeFile.ReadAll().Trim();
completedRangeCollection = completedRanges.Length == 0 ? new RangeCollection() : RangeCollection.Parse(completedRanges);
Console.WriteLine("Range read from file: {0}", completedRangeCollection);
completedRangeCollection.AddRangeCollection(itemsToAdd);
//rangeFileStream.SetLength(0);
//writer = new StreamWriter(rangeFileStream);
//writer.Write(completedRangeCollection);
//writer.Flush();
_sharedRangeFile.Clear();
_sharedRangeFile.Write(completedRangeCollection);
Console.WriteLine("Range {0} complete to {1} items? {2}", completedRangeCollection, itemCount, completedRangeCollection.IsComplete(itemCount));
return(completedRangeCollection.IsComplete(itemCount));
}
catch (Exception)
{
Console.WriteLine("ERROR: Trouble adding range.");
Console.WriteLine("read from file: {0}", completedRanges);
Console.WriteLine("new range: {0}", itemsToAdd);
Console.WriteLine("combined: {0}", completedRangeCollection);
throw;
}
}