private void GetRegionAtLocalOffset_(
int localOffset,
out IShardedList <T> region,
out int regionOffset,
out int regionIndex)
{
Asserts.Assert(localOffset >= 0, "Tried to access a negative offset!");
Asserts.Assert(localOffset < this.Length,
"Tried to access beyond the end of the region!");
var currentRegionOffset = 0;
for (var i = 0; i < this.regions_.Count; ++i)
{
var currentRegion = this.regions_[i];
var nextRegionOffset = currentRegionOffset + currentRegion.Length;
if (localOffset >= currentRegionOffset &&
localOffset < nextRegionOffset)
{
region = currentRegion;
regionOffset = currentRegionOffset;
regionIndex = i;
return;
}
currentRegionOffset = nextRegionOffset;
}
region = this;
regionOffset = -1;
regionIndex = -1;
Asserts.Fail("Failed to find a matching region, this should not happen.");
}
private int LocateRegion_(IShardedList <T> region)
{
var index = this.regions_.IndexOf(region);
if (index >= 0)
{
return(index);
}
throw new NotSupportedException("Failed to find the region!");
}
private ShardedMemory(IShardedList <byte> impl)
{
this.impl_ = impl;
}
