public override XQueryNodeIterator CreateCollection(string collection_name)
{
lock (m_dict)
{
XQueryNodeIterator res;
if (m_dict.TryGetValue(collection_name, out res))
return res.Clone();
ResolveCollectionArgs args = new ResolveCollectionArgs();
args.CollectionName = collection_name;
if (m_command.OnResolveCollection != null)
{
m_command.OnResolveCollection(m_command, args);
if (args.Collection != null)
{
m_dict.Add(collection_name, args.Collection.Clone());
return args.Collection;
}
}
throw new XQueryException(Properties.Resources.FODC0004, collection_name);
}
}
void command_OnResolveCollection(object sender, ResolveCollectionArgs args)
{
if (args.CollectionName != String.Empty)
args.Collection = CreateCollection((XQueryCommand)sender, args.CollectionName);
}