public byte[] GetValue(HashBin key)
{
var hint = CbIndex.GetAddressHintForKey(key);
bool found = CbKey.GetKeyDataAddr(key, out var addr, hint, CbIndex.IndexKeyLen);
if (found)
{
return(CbData.GetValue(addr));
}
return(null);
}
private CacheyBashi(string directory, string dbName, ushort keyLength, byte indexKeyLength = 2, bool createNew = false)
{
//todo: load the index.cb files into memory
Dir = directory;
DbName = dbName;
IndexFile = Path.Combine(Dir, dbName) + ".index";
KeyFile = Path.Combine(Dir, dbName) + ".key";
DatFile = Path.Combine(Dir, dbName) + ".dat";
CbIndex = new CbIndex(IndexFile, indexKeyLength, createNew);
CbKey = new CbKeyFixed(KeyFile, keyLength, createNew);
CbData = new CbData(DatFile, createNew);
}
public bool IndexHasKeySpaceForKey(byte[] key)
{
var hint = CbIndex.GetAddressHintForKey(key);
return(hint.EndAddr > hint.StartAddr);
}
public bool HasKey(HashBin key)
{
var hint = CbIndex.GetAddressHintForKey(key);
return(CbKey.HasKey(key, out var unused, false, hint, CbIndex.IndexKeyLen));
}