/// <summary>
/// Check if the provided eviction hint is compatible with the policy
/// and return the compatible eviction hint
/// </summary>
/// <param name="eh">eviction hint.</param>
/// <returns>a hint compatible to the eviction policy.</returns>
public EvictionHint CompatibleHint(EvictionHint eh, PoolManager pool)
{
if (eh != null && eh is PriorityEvictionHint)
{
return(eh);
}
return(PriorityEvictionHint.Create(pool, _priority));
}
//#endregion
public static EvictionHint ReadEvcHint(CompactReader reader, PoolManager poolManager)
{
EvictionHintType expHint = EvictionHintType.Parent;
expHint = (EvictionHintType)reader.ReadInt16();
EvictionHint tmpObj = null;
switch (expHint)
{
case EvictionHintType.NULL:
return(null);
case EvictionHintType.Parent:
tmpObj = (EvictionHint)reader.ReadObject();
return(tmpObj);
case EvictionHintType.CounterHint:
var ch = CounterHint.Create(poolManager);
((ICompactSerializable)ch).Deserialize(reader);
return(ch);
case EvictionHintType.PriorityEvictionHint:
var peh = PriorityEvictionHint.Create(poolManager);
((ICompactSerializable)peh).Deserialize(reader);
return(peh);
case EvictionHintType.TimestampHint:
var tsh = TimestampHint.Create(poolManager);
((ICompactSerializable)tsh).Deserialize(reader);
return(tsh);
default:
break;
}
return(null);
}