/// <summary>
/// Resizes the cache to a particular number of buckets.
/// </summary>
/// <param name="bucketCount">
/// The number of buckets to resize the cache to.
/// </param>
/// <remarks>This method is not thread-safe.</remarks>
private void ResizeToImpl(int bucketCount)
{
var newBuckets = new WeakCacheBucket <TKey, TValue> [
bucketCount];
initializedBucketCount = 0;
for (int i = 0; i < buckets.Length; i++)
{
var oldBucket = buckets[i];
while (!oldBucket.IsEmpty)
{
var kvPair = oldBucket.keyValuePair;
TKey entryKey;
TValue entryValue;
if (kvPair.Key.TryGetTarget(out entryKey) &&
kvPair.Value.TryGetTarget(out entryValue))
{
// This entry is still alive. Add it to the right
// bucket in the new bucket array.
var newBucketIndex = TruncateHashCode(kvPair.KeyHashCode, bucketCount);
var newBucket = newBuckets[newBucketIndex];
if (newBucket.IsEmpty)
{
initializedBucketCount++;
}
newBucket.Add(kvPair);
newBuckets[newBucketIndex] = newBucket;
}
if (oldBucket.spilloverList == null)
{
break;
}
else
{
oldBucket = oldBucket.spilloverList.contents;
}
}
}
buckets = newBuckets;
for (int i = 0; i < accessCounters.Length; i++)
{
accessCounters[i] = 0;
}
}
public WeakCacheBucketNode(
WeakCacheBucket <TKey, TValue> contents)
{
this.contents = contents;
}