private static async Task PrintVector <T>(FdbVector <T> vector, IFdbReadOnlyTransaction tr)
{
bool first = true;
var sb = new StringBuilder();
await tr.GetRange(vector.Subspace.Keys.ToRange()).ForEachAsync((kvp) =>
{
if (!first)
{
sb.Append(", ");
}
else
{
first = false;
}
sb.Append(vector.Subspace.Keys.DecodeLast <long>(kvp.Key) + ":" + kvp.Value.ToAsciiOrHexaString());
});
Console.WriteLine("> Vector: (" + sb.ToString() + ")");
}
private static async Task PrintVector <T>(FdbVector <T> .State vector, IFdbReadOnlyTransaction tr)
{
bool first = true;
var sb = new StringBuilder();
await tr.GetRange(vector.Subspace.ToRange()).ForEachAsync((kvp) =>
{
if (!first)
{
sb.Append(", ");
}
else
{
first = false;
}
sb.Append($"{vector.Subspace.DecodeLast<long>(kvp.Key)}:{kvp.Value:P}");
});
Log("> Vector: (" + sb.ToString() + ")");
}
public async Task Test_Vector_Fast()
{
using (var db = await OpenTestPartitionAsync())
{
var location = await GetCleanDirectory(db, "vector");
var vector = new FdbVector <Slice>(location, Slice.Empty, KeyValueEncoders.Values.BinaryEncoder);
using (var tr = db.BeginTransaction(this.Cancellation))
{
Console.WriteLine("Clearing any previous values in the vector");
vector.Clear(tr);
Console.WriteLine();
Console.WriteLine("MODIFIERS");
// Set + Push
vector.Set(tr, 0, Slice.FromInt32(1));
vector.Set(tr, 1, Slice.FromInt32(2));
await vector.PushAsync(tr, Slice.FromInt32(3));
await PrintVector(vector, tr);
// Swap
await vector.SwapAsync(tr, 0, 2);
await PrintVector(vector, tr);
// Pop
Console.WriteLine("> Popped: " + await vector.PopAsync(tr));
await PrintVector(vector, tr);
// Clear
vector.Clear(tr);
Console.WriteLine("> Pop empty: " + await vector.PopAsync(tr));
await PrintVector(vector, tr);
await vector.PushAsync(tr, Slice.FromAscii("foo"));
Console.WriteLine("> Pop size 1: " + await vector.PopAsync(tr));
await PrintVector(vector, tr);
Console.WriteLine();
Console.WriteLine("CAPACITY OPERATIONS");
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("> Empty: " + await vector.EmptyAsync(tr));
Console.WriteLine("> Resizing to length 5");
await vector.ResizeAsync(tr, 5);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("Settings values");
vector.Set(tr, 0, Slice.FromAscii("Portez"));
vector.Set(tr, 1, Slice.FromAscii("ce vieux"));
vector.Set(tr, 2, Slice.FromAscii("whisky"));
vector.Set(tr, 3, Slice.FromAscii("au juge"));
vector.Set(tr, 4, Slice.FromAscii("blond qui"));
vector.Set(tr, 5, Slice.FromAscii("fume"));
await PrintVector(vector, tr);
Console.WriteLine("FRONT");
Console.WriteLine("> " + await vector.FrontAsync(tr));
Console.WriteLine("BACK");
Console.WriteLine("> " + await vector.BackAsync(tr));
Console.WriteLine();
Console.WriteLine("ELEMENT ACCESS");
Console.WriteLine("> Index 0: " + await vector.GetAsync(tr, 0));
Console.WriteLine("> Index 5: " + await vector.GetAsync(tr, 5));
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine();
Console.WriteLine("RESIZING");
Console.WriteLine("> Resizing to 3");
await vector.ResizeAsync(tr, 3);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("> Resizing to 3 again");
await vector.ResizeAsync(tr, 3);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("> Resizing to 6");
await vector.ResizeAsync(tr, 6);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine();
Console.WriteLine("SPARSE TEST");
Console.WriteLine("> Popping sparse vector");
await vector.PopAsync(tr);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("> Resizing to 4");
await vector.ResizeAsync(tr, 4);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("> Adding 'word' to index 10, resize to 25");
vector.Set(tr, 10, Slice.FromAscii("word"));
await vector.ResizeAsync(tr, 25);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("> Swapping with sparse element");
await vector.SwapAsync(tr, 10, 15);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
Console.WriteLine("> Swapping sparse elements");
await vector.SwapAsync(tr, 12, 13);
await PrintVector(vector, tr);
Console.WriteLine("> Size: " + await vector.SizeAsync(tr));
}
}
}
