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Port the llParcelMediaQuery forward to the new Shared/ directory

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Add a Dictionary for faster lookup of cached items.
This commit is contained in:
Melanie Thielker
2008-08-13 12:20:49 +00:00
parent db2481e62a
commit 4b6097756f
4 changed files with 146 additions and 12 deletions
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30
OpenSim/Framework/Cache.cs
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@@ -173,6 +173,8 @@ namespace Opensim.Framework
public class Cache
{
private List<CacheItemBase> m_Index = new List<CacheItemBase>();
private Dictionary<LLUUID, CacheItemBase> m_Lookup =
new Dictionary<LLUUID, CacheItemBase>();
private CacheStrategy m_Strategy;
private CacheMedium m_Medium;
@@ -267,6 +269,11 @@ namespace Opensim.Framework
m_Index.RemoveRange(newSize, Count - newSize);
m_Size = newSize;
m_Lookup.Clear();
foreach (CacheItemBase item in m_Index)
m_Lookup[item.uuid] = item;
}
}
@@ -284,12 +291,8 @@ namespace Opensim.Framework
lock (m_Index)
{
item = m_Index.Find(delegate(CacheItemBase i)
{
if (i.uuid == index)
return true;
return false;
});
if(m_Lookup.ContainsKey(index))
item = m_Lookup[index];
}
if (item == null)
@@ -337,7 +340,10 @@ namespace Opensim.Framework
{
CacheItemBase missing = new CacheItemBase(index);
if (!m_Index.Contains(missing))
{
m_Index.Add(missing);
m_Lookup[index] = missing;
}
}
}
return null;
@@ -404,6 +410,7 @@ namespace Opensim.Framework
item.expires = DateTime.Now + m_DefaultTTL;
m_Index.Add(item);
m_Lookup[index] = item;
}
item.Store(data);
}
@@ -421,7 +428,10 @@ namespace Opensim.Framework
{
if (item.expires.Ticks == 0 ||
item.expires <= now)
{
m_Index.Remove(item);
m_Lookup.Remove(item.uuid);
}
}
}
@@ -450,12 +460,20 @@ namespace Opensim.Framework
foreach (CacheItemBase i in candidates)
{
if (doExpire(i.uuid))
{
m_Index.Remove(i);
m_Lookup.Remove(i.uuid);
}
}
}
else
{
m_Index.RemoveRange(target, Count - target);
m_Lookup.Clear();
foreach (CacheItemBase item in m_Index)
m_Lookup[item.uuid] = item;
}
}
break;