/// <summary>
/// Recupera as chaves selecionadas.
/// </summary>
/// <param name="cache">Instancia do cache de onde os itens estão inseridos.</param>
/// <param name="evictSize"></param>
/// <returns></returns>
internal ArrayList GetSelectedKeys(CacheBase cache, long evictSize)
{
EvictionIndexEntry entry = null;
ArrayList list = new ArrayList();
int num = 0;
bool flag = false;
long next = _head;
if (_head != -1)
{
do
{
entry = _index[next] as EvictionIndexEntry;
foreach (string str in entry.GetAllKeys())
{
int itemSize = cache.GetItemSize(str);
if (((num + itemSize) >= evictSize) && (num > 0))
{
if ((evictSize - num) > ((itemSize + num) - evictSize))
{
list.Add(str);
}
flag = true;
break;
}
list.Add(str);
num += itemSize;
}
next = entry.Next;
}while (!flag && (next != -1));
}
return(list);
}
/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <param name="evictSize"></param>
/// <returns></returns>
private IList GetSelectedKeys(CacheBase cache, long evictSize)
{
ClusteredArrayList selectedKeys = new ClusteredArrayList(100);
long sizeCount = 0;
int prvsSize = 0;
object key = null;
bool selectionComplete = false;
lock (_index.SyncRoot)
{
for (int i = 0; i < 5; i++)
{
if (!selectionComplete)
{
HashVector currentIndex = this._index[i];
if (currentIndex != null)
{
IDictionaryEnumerator ide = currentIndex.GetEnumerator();
while (ide.MoveNext())
{
key = ide.Key;
if (key != null)
{
int itemSize = cache.GetItemSize(key);
if (sizeCount + itemSize >= evictSize && sizeCount > 0)
{
if (evictSize - sizeCount > (itemSize + sizeCount) - evictSize)
{
selectedKeys.Add(key);
}
selectionComplete = true;
break;
}
else
{
selectedKeys.Add(key);
sizeCount += itemSize;
prvsSize = itemSize;
}
}
}
}
}
else
{
//break the outer loop. we have already picked up
//the keys to be evicited.
break;
}
}
}
return(selectedKeys);
}
/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <param name="evictSize"></param>
/// <returns></returns>
private IList GetSelectedKeys(CacheBase cache, long evictSize, ref long totalsize)
{
ClusteredArrayList selectedKeys = new ClusteredArrayList(100);
long sizeCount = 0;
bool selectionComplete = false;
lock (_index.SyncRoot)
{
for (int i = 0; i < 5; i++)
{
if (!selectionComplete)
{
HashVector currentIndex = _index[i];
if (currentIndex != null)
{
IDictionaryEnumerator ide = currentIndex.GetEnumerator();
while (ide.MoveNext())
{
object key = ide.Key;
if (key != null)
{
int itemSize = cache.GetItemSize(key);
if (sizeCount + itemSize >= evictSize)
{
selectedKeys.Add(key);
sizeCount += itemSize;
totalsize = sizeCount;
selectionComplete = true;
break;
}
selectedKeys.Add(key);
sizeCount += itemSize;
}
}
}
}
else
{
break;
}
}
}
return(selectedKeys);
}
private ArrayList GetSelectedKeys(CacheBase cache, long evictSize)
{
ArrayList list = new ArrayList(100);
long num = 0;
object key = null;
bool flag = false;
lock (_index.SyncRoot)
{
for (int i = 0; i < 5; i++)
{
if (flag)
{
return(list);
}
Hashtable hashtable = _index[i];
if (hashtable != null)
{
IDictionaryEnumerator enumerator = hashtable.GetEnumerator();
while (enumerator.MoveNext())
{
key = enumerator.Key;
if (key != null)
{
int itemSize = cache.GetItemSize(key);
if (((num + itemSize) >= evictSize) && (num > 0))
{
if ((evictSize - num) > ((itemSize + num) - evictSize))
{
list.Add(key);
}
flag = true;
break;
}
list.Add(key);
num += itemSize;
}
}
}
}
}
return(list);
}
internal IList GetSelectedKeys(CacheBase cache, long evictSize, ref long evictedSize)
{
EvictionIndexEntry entry;
ClusteredArrayList selectedKeys = new ClusteredArrayList();
long totalSize = 0;
bool selectionCompleted = false;
long index = _head;
if (_head != -1)
{
do
{
entry = _index[index] as EvictionIndexEntry;
IList keys = entry.GetAllKeys();
foreach (string key in keys)
{
int itemSize = cache.GetItemSize(key);
if (totalSize + itemSize >= evictSize)
{
selectedKeys.Add(key);
totalSize += itemSize;
evictedSize = totalSize;
selectionCompleted = true;
break;
}
else
{
selectedKeys.Add(key);
totalSize += itemSize;
}
}
index = entry.Next;
}while (!selectionCompleted && index != -1);
}
return(selectedKeys);
}