private ChecksumObject GetChecksumObjectFromTreeNode(ChecksumObjectCache cache, Checksum checksum)
{
ChecksumObject checksumObject;
if (cache.TryGetValue(checksum, out checksumObject))
{
return(checksumObject);
}
// given checksum doesn't exist in this entry of tree node. but will exist
// in one of tree nodes/additional assets/global assets
return(null);
}
private ChecksumObject SaveAndReturn(object key, ChecksumObject checksumObject, ChecksumObjectCache entry = null)
{
// create new entry if it is not already given
ChecksumObjectCache self;
if (_cache.TryGetValue(key, out self))
{
// we already have entry
return(self.Add(checksumObject));
}
// either create new entry or re-use given one. this will let us share
// whole sub checksum tree that is associated with given green node (key)
entry = _cache.GetOrAdd(key, _ => entry ?? new ChecksumObjectCache());
return(entry.Add(checksumObject));
}
private void AppendChecksumObjects(
Dictionary <Checksum, ChecksumObject> map, HashSet <Checksum> searchingChecksumsLeft, ChecksumObjectCache cache, CancellationToken cancellationToken)
{
AppendChecksumObjects(map, searchingChecksumsLeft, cache.Count, cache.GetChecksums(), c => GetChecksumObjectFromTreeNode(cache, c), cancellationToken);
}
private ChecksumObject SaveAndReturn(object key, ChecksumObject checksumObject, ChecksumObjectCache entry = null)
{
// create new entry if it is not already given
entry = _cache.GetOrAdd(key, _ => entry ?? new ChecksumObjectCache(checksumObject));
return(entry.Add(checksumObject));
}
