public static ShaMapDiff Find(ShaMap a, ShaMap b)
{
var diff = new ShaMapDiff(a, b);
diff.Find();
return(diff);
}
public void Apply(ShaMap sa)
{
// ReSharper disable once LoopCanBeConvertedToQuery
foreach (var mod in Modified)
{
var modded = sa.UpdateItem(mod, B.GetItem(mod).Copy());
if (!modded)
{
throw new InvalidOperationException();
}
}
// ReSharper disable once LoopCanBeConvertedToQuery
foreach (var add in Added)
{
var added = sa.AddItem(add, B.GetItem(add).Copy());
if (!added)
{
throw new InvalidOperationException();
}
}
if (Deleted.Select(sa.RemoveLeaf).Any(removed => !removed))
{
throw new InvalidOperationException();
}
}
private ShaMapDiff(ShaMap a,
ShaMap b,
SortedSet <Hash256> modified = null,
SortedSet <Hash256> deleted = null,
SortedSet <Hash256> added = null)
{
A = a;
B = b;
Modified = modified ?? new SortedSet <Hash256>();
Deleted = deleted ?? new SortedSet <Hash256>();
Added = added ?? new SortedSet <Hash256>();
}