public static BplusTreeBytes ReOpen(System.IO.Stream treefile, System.IO.Stream blockfile)
{
BplusTreeLong tree = BplusTreeLong.SetupFromExistingStream(treefile);
LinkedFile archive = LinkedFile.SetupFromExistingStream(blockfile);
return(new BplusTreeBytes(tree, archive));
}
public static BplusTreeBytes Initialize(System.IO.Stream treefile, System.IO.Stream blockfile, int keyLength, int cultureId,
int nodesize, int buffersize)
{
BplusTreeLong tree = BplusTreeLong.InitializeInStream(treefile, keyLength, nodesize, cultureId);
LinkedFile archive = LinkedFile.InitializeLinkedFileInStream(blockfile, buffersize);
return(new BplusTreeBytes(tree, archive));
}
public static LinkedFile SetupFromExistingStream(System.IO.Stream fromfile, long StartSeek)
{
LinkedFile result = new LinkedFile(100, StartSeek); // dummy buffer size for now
result.fromfile = fromfile;
result.ReadHeader();
result.buffers = BufferFile.SetupFromExistingStream(fromfile, StartSeek + result.headersize);
return(result);
}
public static LinkedFile InitializeLinkedFileInStream(System.IO.Stream fromfile, int buffersize, long startSeek)
{
LinkedFile result = new LinkedFile(buffersize, startSeek);
result.fromfile = fromfile;
result.SetHeader();
// buffersize should be increased by overhead...
result.buffers = BufferFile.InitializeBufferFileInStream(fromfile, buffersize + BUFFEROVERHEAD, startSeek + result.headersize);
return(result);
}
public BplusTreeBytes(BplusTreeLong tree, LinkedFile archive)
{
this.tree = tree;
this.archive = archive;
}