public LinkedDictionary(int capacity, IEqualityComparer <TKey> comparer, bool accessRecord,
ILinkedDictionaryCache <TKey, TValue> cacheHandler)
{
if (capacity < 0)
{
ThrowHelper.ThrowArgumentOutOfRangeException(ThrowHelper.capacity);
}
if (capacity > 0)
{
Initialize(capacity);
}
if (comparer == null)
{
comparer = EqualityComparer <TKey> .Default;
}
this.comparer = comparer;
this.accessRecord = accessRecord;
this.cacheHandler = cacheHandler;
headEntry = new Entry()
{
nextEntry = -1,
prevEntry = -1,
};
}
public LinkedDictionary(IDictionary <TKey, TValue> dictionary, IEqualityComparer <TKey> comparer,
bool accessRecord, ILinkedDictionaryCache <TKey, TValue> cacheHandler) :
this(dictionary != null ? dictionary.Count : 0, comparer, accessRecord, cacheHandler)
{
if (dictionary == null)
{
ThrowHelper.ThrowArgumentNullException(ThrowHelper.dictionary);
}
foreach (var keyValuePair in dictionary)
{
Add(keyValuePair.Key, keyValuePair.Value);
}
}
/// <summary>
/// removeEldestEntry是用于自定义是否删除最旧的数据，可用于缓存的设计
/// entryRemoved只有在removeEldestEntry有定义并且有返回true的时候才调用
/// </summary>
/// <param name="removeEldestEntry"></param>
/// <param name="entryRemoved"></param>
public LinkedDictionary(ILinkedDictionaryCache <TKey, TValue> cacheHandler)
: this(0, null, false, cacheHandler)
{
}