public bool EvictData(CacheSpace space, ICacheSpaceConsumer consumer, long requiredSpace)
{
if (!consumer.IsEvictionEnabled)
{
return(false);
}
consumer.EvictData(requiredSpace);
return(true);
}
public void RemoveConsumer(ICacheSpaceConsumer consumer)
{
lock (this)
{
if (_consumers.Contains(consumer))
{
_consumers.Remove(consumer);
}
}
}
public void AddConsumer(ICacheSpaceConsumer consumer)
{
lock (this)
{
if (!_consumers.Contains(consumer))
{
_consumers.Add(consumer);
}
}
}
public void Release(ICacheSpaceConsumer consumer, long restoreSize)
{
lock (this)
{
_currentSize -= restoreSize;
}
if (_statsCollector != null)
{
_statsCollector.SetStatsValue(StatisticsType.CacheSize, _currentSize);
}
}
public bool CanConsumeSpace(CacheSpace space, ICacheSpaceConsumer consumer, long requiredSpace)
{
if (space.AvaialbeSpace < requiredSpace)
{
return(EvictData(space, consumer, requiredSpace));
}
return(true);
// if user thread is supposed to do eviction then there is no need for threshold i guess.
//if (space.AvaialbeSpace < space.Threshold)
//{
// //TODO: start eviction currently it is need base to user thread will do the eviction.
//}
}
public void Consume(ICacheSpaceConsumer consumer, long neededSpace)
{
lock (this)
{
if (IsFull)
{
if (!_spacePolicy.EvictData(this, consumer, neededSpace))
{
return;
}
}
if (_spacePolicy.CanConsumeSpace(this, consumer, neededSpace))
{
_currentSize += neededSpace;
if (_statsCollector != null)
{
_statsCollector.SetStatsValue(StatisticsType.CacheSize, _currentSize);
}
}
}
}
public void RemoveConsumer(ICacheSpaceConsumer consumer)
{
throw new NotImplementedException();
}