internal DictionarySegment(DirtyTracker tracker, int size)
{
tracker = tracker.CreateChild();
this.tracker = tracker;
this.count = 0;
if (size == 0)
{
size = HashHelpers.GetPrime(size);
}
var newBuckets = new int[size];
for (int i = 0; i < newBuckets.Length; i++)
{
newBuckets[i] = -1;
}
this.buckets = newBuckets;
this.entries = new DictionaryEntry <TKey, TValue> [size];
this.comparer = ZeroFormatterEqualityComparer <TKey> .Default;
this.freeList = -1;
this.freeCount = 0;
this.mode = DictionarySegmentMode.LazyAll;
}
DictionarySegment(DirtyTracker tracker, ArraySegment <byte> originalBytes)
{
tracker = tracker.CreateChild();
this.tracker = tracker;
this.originalBytes = originalBytes;
var bytes = originalBytes.Array;
var offset = originalBytes.Offset + 4;
this.count = BinaryUtil.ReadInt32(ref bytes, offset);
offset += 4;
var intListFormatter = Formatter <IList <int> > .Default;
var entryListFormatter = Formatter <IList <DictionaryEntry <TKey, TValue> > > .Default;
int size;
this.buckets = intListFormatter.Deserialize(ref bytes, offset, tracker, out size);
offset += size;
this.entries = entryListFormatter.Deserialize(ref bytes, offset, tracker, out size);
offset += size;
// new size
if (buckets.Count == 0)
{
var capacity = HashHelpers.GetPrime(0);
Resize(capacity);
}
this.comparer = ZeroFormatterEqualityComparer <TKey> .Default;
this.freeList = -1;
this.freeCount = 0;
this.mode = DictionarySegmentMode.LazyAll;
}
internal static DictionarySegment <TKey, TValue> Create(DirtyTracker tracker, byte[] bytes, int offset, DictionarySegmentMode mode, out int byteSize)
{
var byteSizeOrCount = BinaryUtil.ReadInt32(ref bytes, offset);
if (byteSizeOrCount == -1)
{
byteSize = 4;
return(null);
}
if (mode == DictionarySegmentMode.Immediate)
{
var originalOffset = offset;
var dict = new DictionarySegment <TKey, TValue>(tracker, byteSizeOrCount);
var childTracker = dict.tracker;
dict.tracker = DirtyTracker.NullTracker; // don't do dirty
var keyFormatter = Formatter <TKey> .Default;
var valueFormatter = Formatter <TValue> .Default;
int size = 0;
byteSize = 4;
offset += 4;
for (int i = 0; i < byteSizeOrCount; i++)
{
var key = keyFormatter.Deserialize(ref bytes, offset, tracker, out size);
byteSize += size;
offset += size;
var value = valueFormatter.Deserialize(ref bytes, offset, tracker, out size);
byteSize += size;
offset += size;
dict.Add(key, value);
}
dict.tracker = childTracker;
dict.originalBytes = new ArraySegment <byte>(bytes, originalOffset, byteSize);
dict.mode = DictionarySegmentMode.Immediate;
return(dict);
}
else
{
byteSize = byteSizeOrCount;
return(new DictionarySegment <TKey, TValue>(tracker, new ArraySegment <byte>(bytes, offset, byteSize)));
}
}
