|
public IterateBackwardStartsWithClosestToPrefix ( byte initKey, bool useCache ) : IEnumerable |
||
| initKey | byte | |
| useCache | bool | |
| return | IEnumerable |
|
/// <summary>
///
/// </summary>
/// <param name="startKey"></param>
/// <param name="readRootNode"></param>
/// <returns></returns>
public IEnumerable<LTrieRow> IterateBackwardStartsWithClosestToPrefix(byte[] startKey, ITrieRootNode readRootNode)
{
this.CheckTableIsOperable();
if (readRootNode == null)
{
//Flashing changes on the disk before commit. In case if the same thread uses the same root node
this.SaveGenerationMap();
Backward bw = new Backward(rn);
return bw.IterateBackwardStartsWithClosestToPrefix(startKey, false);
}
else
{
Backward bw = new Backward((LTrieRootNode)readRootNode);
return bw.IterateBackwardStartsWithClosestToPrefix(startKey, true);
}
}
/// <summary>
///
/// </summary>
/// <param name="startKey"></param>
/// <returns></returns>
public IEnumerable<LTrieRow> IterateBackwardStartsWithClosestToPrefix(byte[] startKey)
{
this.CheckTableIsOperable();
LTrieRootNode readRootNode = new LTrieRootNode(this);
Backward bw = new Backward(readRootNode);
return bw.IterateBackwardStartsWithClosestToPrefix(startKey, true);
}