private void CacheIndexTable()
{
if (cachedTable != null)
{
return;
}
if (node.TypedStreams.Contains(typeof(IndexTableTag).FullName))
{
using (IDriverTypedStream stream =
node.GetTypedStream(OpenMode.Read, typeof(IndexTableTag).FullName))
{
cachedTable = ((IndexTableTag)(stream.UsesRaw ?
Common.DeserializeFromArray(stream.Read(0) as byte[]) : stream.Read(0))).Table;
}
}
}
/// <summary>
/// Caches base node, if not already cached.
/// </summary>
private ManagedNode CacheBase()
{
// We must quickly open default tag stream, if it exists.
using (IDriverTypedStream stream = node.GetTypedStream(OpenMode.ReadWrite, typeof(BaseNodeTag).FullName))
{
// Make sure we proceed this read only once.
if (stream == null)
{
return(null);
}
// Now we find the type.
BaseNodeTag tag = stream.UsesRaw ?
Common.DeserializeObject(stream.Read(0) as byte[]) as BaseNodeTag : stream.Read(0) as BaseNodeTag;
// We find the link.
ManagedNode baseCached = common.Manager.Find(tag.Link) as ManagedNode;
// Avoid processing once more.
if (baseCached == null)
{
// We do not reset it because it can be mounted in future.
throw new NodeNotFoundException("The base node " + tag.ToString() + " could not be found.");
}
// Must also take version into account.
if (tag.Version != ulong.MaxValue)
{
baseCached = baseCached[tag.Version] as ManagedNode;
if (baseCached == null)
{
throw new NodeNotFoundException("The base node " + tag.ToString() + " could not be found.");
}
}
return(baseCached);
}
}