private FasterKV <TData, TData> Setup <TData>()
{
log = new LocalMemoryDevice(1L << 26, 1L << 22, 2, sector_size: smallSector ? 64 : (uint)512, fileName: $"{path}{typeof(TData).Name}.log");
objlog = serializerSettingsObj is null
? null
: new LocalMemoryDevice(1L << 26, 1L << 22, 2, fileName: $"{path}{typeof(TData).Name}.obj.log");
var varLenStruct = this.varLenStructObj as IVariableLengthStruct <TData>;
Assert.AreEqual(this.varLenStructObj is null, varLenStruct is null, "varLenStructSettings");
VariableLengthStructSettings <TData, TData> varLenStructSettings = varLenStruct is null
? null
: new VariableLengthStructSettings <TData, TData> {
keyLength = varLenStruct, valueLength = varLenStruct
};
var result = new FasterKV <TData, TData>(DeviceTypeRecoveryTests.keySpace,
new LogSettings {
LogDevice = log, ObjectLogDevice = objlog, SegmentSizeBits = 25
},
new CheckpointSettings {
CheckpointDir = path
},
this.serializerSettingsObj as SerializerSettings <TData, TData>,
variableLengthStructSettings: varLenStructSettings
);
fhtDisp = result;
return(result);
}
public KeyValueStore(string folder, int logSizeBits, IFasterEqualityComparer <TKey> keyComparer, TFunctions functions, IVariableLengthStruct <TKey> keyLength, IVariableLengthStruct <TValue> valueLength)
{
_dataFolder = folder;
_logSizeBits = logSizeBits;
_keyComparer = keyComparer;
_functions = functions;
_variableLenSettings = new VariableLengthStructSettings <TKey, TValue>
{
keyLength = keyLength,
valueLength = valueLength
};
}
/// <summary>
/// Iterator for all (distinct) live key-values stored in FASTER
/// </summary>
/// <param name="untilAddress">Report records until this address (tail by default)</param>
/// <returns>FASTER iterator</returns>
public IFasterScanIterator <Key, Value> Iterate(long untilAddress = -1)
{
if (untilAddress == -1)
{
untilAddress = Log.TailAddress;
}
if (hlog is VariableLengthBlittableAllocator <Key, Value> varLen)
{
var functions = new LogVariableCompactFunctions <Key, Value, DefaultVariableCompactionFunctions <Key, Value> >(varLen, default);
var variableLengthStructSettings = new VariableLengthStructSettings <Key, Value>
{
keyLength = varLen.KeyLength,
valueLength = varLen.ValueLength,
};
return(new FasterKVIterator <Key, Value, LogVariableCompactFunctions <Key, Value, DefaultVariableCompactionFunctions <Key, Value> >, DefaultVariableCompactionFunctions <Key, Value> >
(this, functions, default, untilAddress, variableLengthStructSettings));
