public void Merge(Provider other)
{
foreach (var kv in other.FullPathToEntry)
{
var theirs = other.Entries [kv.Value];
int index;
if (!FullPathToEntry.TryGetValue(kv.Key, out index))
{
FullPathToEntry.Add(kv.Key, CurrentId);
Entries.Add(CurrentId, theirs);
CurrentId = CurrentId + 1;
}
else
{
var ours = Entries [index];
// check to see if we've removed an entry, unless we recently
// updated the entry:
long maxFreq = Math.Max(theirs.Frequency, ours.Frequency);
if (!theirs.IsValid && theirs.LastAccessTime >= ours.LastAccessTime)
{
maxFreq = Entry.cInvalid;
}
else if (!ours.IsValid && ours.LastAccessTime >= theirs.LastAccessTime)
{
maxFreq = Entry.cInvalid;
}
Entries [index] = new Entry(ours.FullPath, maxFreq, Math.Max(theirs.LastAccessTimeUtc, ours.LastAccessTimeUtc), ours.IsLeaf);
}
}
}
public bool Remove(string fullPath)
{
var fullPathLower = fullPath.ToLower().TrimEnd(new char[] { '\\', '/' });
int id;
if (!FullPathToEntry.TryGetValue(fullPathLower, out id))
{
return(false);
}
return(UpdateEntry(id, remove: true));
}
public bool UpdateEntry(string fullPath, Predicate <string> checkIsLeaf = null)
{
int id;
fullPath = fullPath.TrimEnd(new char[] { '\\', '/' });
string fullPathLower = fullPath.ToLower();
if (!FullPathToEntry.TryGetValue(fullPathLower, out id))
{
if (checkIsLeaf == null)
{
return(false);
}
Add(new Entry(fullPath, 1, DateTime.Now.ToFileTimeUtc(), checkIsLeaf(fullPath)));
return(true);
}
return(UpdateEntry(id));
}