private static T[] BatchDecode <T>(IEnumerable <Slice> packed, IFdbSubspace subspace, IDynamicKeyEncoder encoder, Func <Slice, IDynamicKeyEncoder, T> decode)
{
var coll = packed as ICollection <Slice>;
if (coll != null)
{
var res = new T[coll.Count];
int p = 0;
foreach (var data in packed)
{
res[p++] = decode(subspace.ExtractKey(data), encoder);
}
Contract.Assert(p == res.Length);
return(res);
}
else
{
var res = new List <T>();
foreach (var data in packed)
{
res.Add(decode(subspace.ExtractKey(data), encoder));
}
return(res.ToArray());
}
}
public static async Task DumpSubspace([NotNull] IFdbReadOnlyTransaction tr, [NotNull] IFdbSubspace subspace)
{
Assert.That(tr, Is.Not.Null);
Console.WriteLine("Dumping content of subspace " + subspace.ToString() + " :");
int count = 0;
await tr
.GetRange(KeyRange.StartsWith(subspace.Key))
.ForEachAsync((kvp) =>
{
var key = subspace.ExtractKey(kvp.Key, boundCheck: true);
++count;
string keyDump = null;
try
{
// attemps decoding it as a tuple
keyDump = key.ToTuple().ToString();
}
catch (Exception)
{
// not a tuple, dump as bytes
keyDump = "'" + key.ToString() + "'";
}
Console.WriteLine("- " + keyDump + " = " + kvp.Value.ToString());
});
if (count == 0)
{
Console.WriteLine("> empty !");
}
else
{
Console.WriteLine("> Found " + count + " values");
}
}
private Slice Decode(Slice key)
{
return(m_prefix.ExtractKey(key));
}