private void AddExistingValues(ImmutableHashTable <TKey, TValue> previous)
{
foreach (ImmutableHashTree <TKey, TValue> bucket in previous.Buckets)
{
foreach (var keyValue in bucket.InOrder())
{
int hashCode = keyValue.Key.GetHashCode();
int bucketIndex = hashCode & (this.Divisor - 1);
this.Buckets[bucketIndex] = this.Buckets[bucketIndex].Add(keyValue.Key, keyValue.Value);
}
}
}
public void Setup()
{
dictionary.Add(typeof(Class1), () => new Class1());
dictionary.Add(typeof(Class2), () => new Class2());
dictionary.Add(typeof(Class3), () => new Class3());
dictionary.Add(typeof(Class4), () => new Class4());
dictionary.Add(typeof(Class5), () => new Class5());
immutableHashTable = immutableHashTable.Add(typeof(Class1), () => new Class1());
immutableHashTable = immutableHashTable.Add(typeof(Class2), () => new Class2());
immutableHashTable = immutableHashTable.Add(typeof(Class3), () => new Class3());
immutableHashTable = immutableHashTable.Add(typeof(Class4), () => new Class4());
immutableHashTable = immutableHashTable.Add(typeof(Class5), () => new Class5());
}
/// <summary>
/// Initializes a new instance of the <see cref="ImmutableHashTable{TKey,TValue}"/> class.
/// </summary>
/// <param name="previous">The "previous" hash table that contains already existing values.</param>
/// <param name="key">The key to be associated with the value.</param>
/// <param name="value">The value to be added to the tree.</param>
internal ImmutableHashTable(ImmutableHashTable <TKey, TValue> previous, TKey key, TValue value)
{
this.Count = previous.Count + 1;
if (previous.Count >= previous.Divisor)
{
this.Divisor = previous.Divisor * 2;
this.Buckets = new ImmutableHashTree <TKey, TValue> [this.Divisor];
InitializeBuckets(0, this.Divisor);
this.AddExistingValues(previous);
}
else
{
this.Divisor = previous.Divisor;
this.Buckets = new ImmutableHashTree <TKey, TValue> [this.Divisor];
Array.Copy(previous.Buckets, this.Buckets, previous.Divisor);
}
var hashCode = key.GetHashCode();
var bucketIndex = hashCode & (this.Divisor - 1);
this.Buckets[bucketIndex] = this.Buckets[bucketIndex].Add(key, value);
}
