public virtual GrowableWriter Resize(int newSize)
{
GrowableWriter next = new GrowableWriter(BitsPerValue, newSize, AcceptableOverheadRatio);
int limit = Math.Min(Size(), newSize);
PackedInts.Copy(Current, 0, next, 0, limit, PackedInts.DEFAULT_BUFFER_SIZE);
return(next);
}
private void EnsureCapacity(long value)
{
if ((value & CurrentMask) == value)
{
return;
}
int bitsRequired = value < 0 ? 64 : PackedInts.BitsRequired(value);
Debug.Assert(bitsRequired > Current.BitsPerValue);
int valueCount = Size();
PackedInts.Mutable next = PackedInts.GetMutable(valueCount, bitsRequired, AcceptableOverheadRatio);
PackedInts.Copy(Current, 0, next, 0, valueCount, PackedInts.DEFAULT_BUFFER_SIZE);
Current = next;
CurrentMask = Mask(Current.BitsPerValue);
}
/// <summary>
/// Create a new copy of size <code>newSize</code> based on the content of
/// this buffer. this method is much more efficient than creating a new
/// instance and copying values one by one.
/// </summary>
public T Resize(long newSize)
{
T copy = NewUnfilledCopy(newSize);
int numCommonPages = Math.Min(copy.SubMutables.Length, SubMutables.Length);
long[] copyBuffer = new long[1024];
for (int i = 0; i < copy.SubMutables.Length; ++i)
{
int valueCount = i == copy.SubMutables.Length - 1 ? LastPageSize(newSize) : PageSize();
int bpv = i < numCommonPages ? SubMutables[i].BitsPerValue : this.BitsPerValue;
copy.SubMutables[i] = NewMutable(valueCount, bpv);
if (i < numCommonPages)
{
int copyLength = Math.Min(valueCount, SubMutables[i].Size());
PackedInts.Copy(SubMutables[i], 0, copy.SubMutables[i], 0, copyLength, copyBuffer);
}
}
return(copy);
}
