public SPIndexWriterInstance GetIndexWriter(object folder, object createIndex)
{
var targetFolder = GetFolderFromObject(folder);
var bCreateIndex = false;
if (createIndex != null && createIndex != Null.Value && createIndex != Undefined.Value && createIndex is Boolean)
{
bCreateIndex = (bool)createIndex;
}
var indexWriter = LuceneHelper.GetIndexWriterSingleton(targetFolder, bCreateIndex);
return(new SPIndexWriterInstance(this.Engine.Object.InstancePrototype, indexWriter, targetFolder));
}