public Dictionary <string, string> Find(ReadOptions options, Slice prefix)
{
var result = new Dictionary <string, string>();
using (Iterator it = NewIterator(options))
{
for (it.Seek(prefix); it.Valid(); it.Next())
{
Slice key = it.Key();
byte[] x = key.ToArray();
byte[] y = prefix.ToArray();
if (x.Length < y.Length)
{
break;
}
if (!x.Take(y.Length).SequenceEqual(y))
{
break;
}
var v = it.Value();
var c = ((Slice)(v)).ToString();
result.Add(((Slice)key).ToString(), ((Slice)v).ToString());
}
}
return(result);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IEnumerator <KeyValuePair <Byte[], Byte[]> > GetEnumerator()
{
using SnapShot sn = this.CreateSnapshot();
using Iterator iterator = this.CreateIterator(new ReadOptions { Snapshot = sn });
iterator.SeekToFirst();
while (iterator.Valid())
{
yield return(new KeyValuePair <Byte[], Byte[]>(iterator.Key(), iterator.Value()));
iterator.Next();
}
}
public static IEnumerable <T> Find <T>(this DB db, ReadOptions options, Slice prefix, Func <Slice, Slice, T> resultSelector)
{
using (Iterator it = db.NewIterator(options))
{
for (it.Seek(prefix); it.Valid(); it.Next())
{
Slice key = it.Key();
byte[] x = key.ToArray();
byte[] y = prefix.ToArray();
if (x.Length < y.Length)
{
break;
}
if (!x.Take(y.Length).SequenceEqual(y))
{
break;
}
yield return(resultSelector(key, it.Value()));
}
}
}