public void UpdateElement()
{
var cache = new LFUCache(2);
cache.Put(3, 1);
cache.Put(2, 1);
cache.Put(2, 2);
cache.Put(4, 4);
Assert.Equal(2, cache.Get(2));
}
public void RunProblem()
{
var lfu = new LFUCache(2);
lfu.Put(1, 1);
lfu.Put(2, 2);
var v = lfu.Get(1);
lfu.Put(3, 3);
v = lfu.Get(2);
}
public void ShouldNotEvict()
{
var cache = new LFUCache(2);
Assert.Equal(-1, cache.Get(2));
cache.Put(2, 6);
Assert.Equal(-1, cache.Get(1));
cache.Put(1, 5);
cache.Put(1, 2);
Assert.Equal(2, cache.Get(1));
Assert.Equal(6, cache.Get(2));
}
public void Acceptance()
{
var lfu = new LFUCache <int, int>(2);
lfu.Put(3, 1);
lfu.Put(2, 1);
lfu.Put(2, 2); // replace key 2
lfu.Put(4, 4); // evicts key 3
Assert.False(lfu.TryGet(3, out var _));
Assert.Equal(4, lfu.Get(4));
Assert.Equal(2, lfu.Get(2));
}
private void LoadAudioClipPath(string path, int type, float volume, Vector3 position, float delay, float time = 0,
int priority = 128, bool loop = false, float minPitch = 0, float maxPitch = 3, float maxDistance = 25, float spatialBlend = 0)
{
if (string.IsNullOrEmpty(path))
{
return;
}
if (sounds[path] != null)
{
var audioData = sounds[path] as AudioData;
if (audioData != null && audioData.audio != null)
{
audioData.audio.volume = _closeSound ? 0f : volume;
audioData.go.transform.position = position;
audioData.Play(delay);
}
else
{
sounds.RemoveKey(path);
}
}
else
{
var data = new AudioData(path, (SoundType)type, loop, SoundParent.transform, position, priority, minPitch, maxPitch, volume, maxDistance, spatialBlend);
string extension = Path.GetExtension(path);
string fileName = path.Replace(extension, "");
extension = extension.Substring(1);
ResourceManager.LoadAudioClipBundleAsync(fileName, extension)
.Then((audioClip) =>
{
if (audioClip == null)
{
throw new Exception(string.Format("Cant Load AudioClip! Path :{0}", path));
}
if (data.audio != null)
{
data.audio.clip = audioClip;
data.audio.volume = _closeSound ? 0f : volume;
data.audio.time = time;
data.Play(delay);
sounds.Put(path, data);
}
})
.Catch(e => Debug.LogException(e));
}
}
public void GivenLFUCache_Put_ShouldPutKeyValuePairIntoTheCache()
{
var cache = new LFUCache(2);
cache.Put(1, 1);
cache.Put(2, 2);
Assert.IsTrue(cache.Get(1) == 1); // returns 1
cache.Put(3, 3); // evicts key 2
Assert.IsTrue(cache.Get(2) == -1); // returns -1 (not found)
Assert.IsTrue(cache.Get(3) == 3); // returns 3.
cache.Put(4, 4); // evicts key 1.
Assert.IsTrue(cache.Get(1) == -1); // returns -1 (not found)
Assert.IsTrue(cache.Get(3) == 3); // returns 3
Assert.IsTrue(cache.Get(4) == 4); // returns 4
}
public void Run()
{
LFUCache cache = new LFUCache(2 /* capacity (缓存容量) */);
cache.Put(1, 1);
cache.Put(2, 2);
cache.Get(1); // 返回 1
cache.Put(3, 3); // 去除 key 2
cache.Get(2); // 返回 -1 (未找到key 2)
cache.Get(3); // 返回 3
cache.Put(4, 4); // 去除 key 1
cache.Get(1); // 返回 -1 (未找到 key 1)
cache.Get(3); // 返回 3
cache.Get(4); // 返回 4
}
private static void Run()
{
var cache = new LFUCache(2); // capacity
cache.Put(1, 1);
cache.Put(2, 2);
cache.Get(1); // returns 1
cache.Put(3, 3); // evicts key 2
cache.Get(2); // returns -1 (not found)
cache.Get(3); // returns 3.
cache.Put(4, 4); // evicts key 1.
cache.Get(1); // returns -1 (not found)
cache.Get(3); // returns 3
cache.Get(4); // returns 4
}
public void TestCase()
{
var cache = new LFUCache(2);
cache.Put(1, 1);
cache.Put(2, 2);
Assert.AreEqual(1, cache.Get(1));
cache.Put(3, 3);
Assert.AreEqual(-1, cache.Get(2));
Assert.AreEqual(3, cache.Get(3));
cache.Put(4, 4);
Assert.AreEqual(-1, cache.Get(1));
Assert.AreEqual(3, cache.Get(3));
Assert.AreEqual(4, cache.Get(4));
}
public static void Main()
{
var cache = new LFUCache(2);
cache.Put(1, 1);
cache.Put(2, 2);
var value = cache.Get(1);
cache.Put(3, 3);
value = cache.Get(2);
value = cache.Get(3);
cache.Put(4, 4);
value = cache.Get(1);
value = cache.Get(3);
value = cache.Get(4);
}
public void GotTimeout()
{
//["LFUCache","put","put","put","get","put","put","get","put","put","get","put","get","get","get","put","put","get","put","get"]
//[[10],[7,28],[7,1],[8,15],[6],[10,27],[8,10],[8],[6,29],[1,9],[6],[10,7],[1],[2],[13],[8,30],[1,5],[1],[13,2],[12]]
var cache = new LFUCache(10);
var commands = new []
{
"put", "put", "put", "get", "put", "put", "get", "put", "put", "get", "put", "get", "get", "get", "put",
"put", "get", "put", "get"
};
var parameters = new int[, ]
{
{ 7, 28 }, { 7, 1 }, { 8, 15 }, { 6, -1 }, { 10, 27 }, { 8, 10 }, { 8, -1 }, { 6, 29 }, { 1, 9 }, { 6, -1 }, { 10, 7 }, { 1, -1 }, { 2, -1 }, { 13, -1 },
{ 8, 30 }, { 1, 5 }, { 1, -1 }, { 13, 2 }, { 12, -1 }
};
for (int i = 0; i < commands.Length; i++)
{
var command = commands[i];
switch (command)
{
case "put":
cache.Put(parameters[i, 0], parameters[i, 1]);
break;
case "get":
cache.Get(parameters[i, 0]);
break;
}
}
}
public void Basic()
{
var cache = new LFUCache(2);
cache.Put(1, 1);
cache.Put(2, 2);
Assert.Equal(1, cache.Get(1));
cache.Put(3, 3); // evicts key 2
Assert.Equal(-1, cache.Get(2)); // returns -1 (not found)
Assert.Equal(3, cache.Get(3)); // returns 3.
cache.Put(4, 4); // evicts key 1.
Assert.Equal(-1, cache.Get(1)); // returns -1 (not found)
Assert.Equal(3, cache.Get(3)); // returns 3
Assert.Equal(4, cache.Get(4)); // returns 4
}
public void Example3()
{
var lfu = new LFUCache <int, int>(0, -1);
lfu.Put(0, 0);
Assert.AreEqual(-1, lfu.Get(0));
}
public void Example2()
{
var lfu = new LFUCache <int, int>(3, -1);
lfu.Put(2, 2);
lfu.Put(1, 1);
Assert.AreEqual(2, lfu.Get(2));
Assert.AreEqual(1, lfu.Get(1));
Assert.AreEqual(2, lfu.Get(2));
lfu.Put(3, 3);
lfu.Put(4, 4);
Assert.AreEqual(-1, lfu.Get(3));
Assert.AreEqual(2, lfu.Get(2));
Assert.AreEqual(1, lfu.Get(1));
Assert.AreEqual(4, lfu.Get(4));
}
/// <summary>
/// 添加到镜像LFU缓存
/// </summary>
/// <param name="node"></param>
private void addGhostLFUCache(Node <K, V> node)
{
LFUCache <K, V> .LFUNode <K, V> fuNode = node as LFUCache <K, V> .LFUNode <K, V>;
fuGhostCache.Put(node.Key, node.Value, fuNode.RefCount);
//只会销毁缓存数据，而会保留缓存引用记录
if (DestroyCallback != null)
{
DestroyCallback.Invoke(node);
}
}
/// <summary>
/// 创建面板，请求资源管理器
/// </summary>
/// <param name="type"></param>
public void CreatePanel(string path, int weight, LuaFunction func = null)
{
string name = Path.GetFileNameWithoutExtension(path);
if (uiList.GetValue(path) != null)
{
return;
}
AssetWidget uiWidget = new AssetWidget(path, weight, (ao) =>
{
var prefab = ao.GetAsset <GameObject>();
if (prefab == null)
{
Debug.LogError(string.Format("Panel load error: no panel founded! {0}, {1}", ao.assetPath, name));
return;
}
GameObject go = Instantiate(prefab) as GameObject;
go.name = name;
go.layer = LayerMask.NameToLayer("UI");
go.transform.SetParent(FindParent().transform, false);
go.transform.localScale = Vector3.one;
go.transform.localPosition = Vector3.zero;
LuaBehaviour behaviour = go.transform.GetOrAddComponent <LuaBehaviour>();
behaviour.OnInit();
PanelData panelData;
try
{
panelData = poolManager.Get <PanelData>();
}
catch
{
panelData = new PanelData();
}
panelData.Name = name;
panelData.Weight = weight;
panelData.PanelObject = go;
panelData.behaviour = behaviour;
uiList.Put(name, panelData);
uiShowList.Add(name);
if (func != null)
{
func.Call(go);
}
_curShowPanel = name;
_curDepth++;
panelData.AddOrder(_curDepth);
Debug.LogWarning("CreatePanel::>> " + name + " " + prefab);
});
panelLoader.LoadAsset(uiWidget);
}
public V Get(K key)
{
//从LFU缓存中进行命中
Node <K, V> node = fuCache.GetNode(key);
if (node != null)
{
return(node.Value);
}
//从LRU缓存中进行命中
node = ruCache.GetNode(key);
if (node != null)
{
//lru缓存链中被命中，则添加到LFU中
ruCache.RemoveKey(key);
fuCache.Put(key, node.Value);
return(node.Value);
}
return(default(V));
}
public void LFUCacheTest()
{
// ["LFUCache","put","put","get","put","get","get","put","get","get","get"]
// [[2],[1,1],[2,2],[1],[3,3],[2],[3],[4,4],[1],[3],[4]]
int result;
LFUCache lfuCache = new LFUCache(2);
lfuCache.Put(1, 1);
lfuCache.Put(2, 2);
result = lfuCache.Get(1);
lfuCache.Put(3, 3);
result = lfuCache.Get(2);
result = lfuCache.Get(3);
lfuCache.Put(4, 4);
result = lfuCache.Get(1);
result = lfuCache.Get(3);
result = lfuCache.Get(4);
//result = lfuCache.Get(3);
// Test case 2:
// ["LFUCache","put","put","put","put","get"]
//[[2],[3,1],[2,1],[2,2],[4,4],[2]]
lfuCache = new LFUCache(2);
lfuCache.Put(3, 1);
lfuCache.Put(2, 1);
lfuCache.Put(2, 2);
lfuCache.Put(2, 4);
result = lfuCache.Get(2);
}
static void Main(string[] args)
{
LFUCache cache = new LFUCache(3);
cache.Put(1, 1);
int rs = cache.Get(1);
rs = cache.Get(1);
rs = cache.Get(1);
Console.WriteLine($"Result: {rs} - Expect: {1}");
cache.Put(2, 2);
cache.Put(3, 3);
cache.Put(4, 4);
rs = cache.Get(2);
Console.WriteLine($"Result: {rs} - Expect: {-1}");
rs = cache.Get(4);
Console.WriteLine($"Result: {rs} - Expect: {4}");
rs = cache.Get(4);
rs = cache.Get(4);
rs = cache.Get(3);
Console.WriteLine($"Result: {rs} - Expect: {3}");
cache.Put(5, 5);
rs = cache.Get(2);
Console.WriteLine($"Result: {rs} - Expect: {-1}");
rs = cache.Get(5);
Console.WriteLine($"Result: {rs} - Expect: {5}");
// phase 2
cache = new LFUCache(1);
cache.Put(1, 1);
rs = cache.Get(1);
Console.WriteLine($"Result: {rs} - Expect: {1}");
cache.Put(1, 3);
rs = cache.Get(1);
Console.WriteLine($"Result: {rs} - Expect: {3}");
cache.Put(2, 4);
rs = cache.Get(2);
Console.WriteLine($"Result: {rs} - Expect: {4}");
rs = cache.Get(1);
Console.WriteLine($"Result: {rs} - Expect: {-1}");
// phase 3
cache = new LFUCache(2);
cache.Put(1, 1);
cache.Put(2, 2);
rs = cache.Get(1);
Console.WriteLine($"Result: {rs} - Expect: {1}");
cache.Put(3, 3);
rs = cache.Get(2);
Console.WriteLine($"Result: {rs} - Expect: {-1}");
rs = cache.Get(3);
Console.WriteLine($"Result: {rs} - Expect: {3}");
cache.Put(4, 4);
rs = cache.Get(1);
Console.WriteLine($"Result: {rs} - Expect: {-1}");
rs = cache.Get(-1);
Console.WriteLine($"Result: {rs} - Expect: {-1}");
rs = cache.Get(3);
Console.WriteLine($"Result: {rs} - Expect: {3}");
cache = new LFUCache(0);
cache.Put(0, 0);
cache.Get(0);
}