/// <summary>
/// Initializes new instance of this type.
/// </summary>
/// <param name="maxSize"><see cref="MaxSize"/> property value.</param>
/// <param name="keyExtractor"><see cref="ICache{TKey, TItem}.KeyExtractor"/> property value.</param>
/// <param name="cacheConverter"><see cref="CacheConverter"/> property value.</param>
/// <param name="chainedCache"><see cref="ChainedCache"/> property value.</param>
public LruCache(long maxSize, Converter <TItem, TKey> keyExtractor,
Biconverter <TItem, TCached> cacheConverter, ICache <TKey, TItem> chainedCache)
{
if (maxSize <= 0)
{
ArgumentValidator.EnsureArgumentIsInRange(maxSize, 1, long.MaxValue, "maxSize");
}
ArgumentValidator.EnsureArgumentNotNull(keyExtractor, "keyExtractor");
this.maxSize = maxSize;
this.KeyExtractor = keyExtractor;
this.cacheConverter = cacheConverter;
this.chainedCache = chainedCache;
// deque = new TopDeque<TKey, TCached>(1 + (int) maxSize);
deque = new TopDeque <TKey, TCached>();
}
/// <summary>
/// Initializes new instance of this type.
/// </summary>
/// <param name="maxSize"><see cref="MaxSize"/> property value.</param>
/// <param name="keyExtractor"><see cref="KeyExtractor"/> property value.</param>
/// <param name="sizeExtractor"><see cref="SizeExtractor"/> property value.</param>
/// <param name="chainedCache"><see cref="ChainedCache"/> property value.</param>
public LruCache(long maxSize, Converter <TItem, TKey> keyExtractor,
Func <TItem, long> sizeExtractor, ICache <TKey, TItem> chainedCache)
{
if (maxSize <= 0)
{
ArgumentValidator.EnsureArgumentIsInRange(maxSize, 1, long.MaxValue, "maxSize");
}
ArgumentValidator.EnsureArgumentNotNull(keyExtractor, "keyExtractor");
ArgumentValidator.EnsureArgumentNotNull(sizeExtractor, "sizeExtractor");
this.maxSize = maxSize;
this.keyExtractor = keyExtractor;
this.sizeExtractor = sizeExtractor;
this.chainedCache = chainedCache;
// deque = new TopDeque<TKey, KeyValuePair<TKey, TItem>>(1 + (int) maxSize);
deque = new TopDeque <TKey, KeyValuePair <TKey, TItem> >();
}
/// <summary>
/// 初始化指定容量的缓存实例。
/// </summary>
/// <param name="maxSize"></param>
public LruCache(long capacity)
{
this.capacity = capacity;
this.deque = new TopDeque <TKey, KeyValuePair <TKey, TValue> >();
}