public async Task DoUpdateCarts(Cart[] carts)
{
var list = _times.GetOrAdd("updateCart", (n) => new LinkedList<long>());
int groupId = 0;
int cartIndex = 0;
int nr = Interlocked.Increment(ref _count);
while (nr <= _queries)
{
Cart cart = carts[cartIndex];
cart.GroupId = _groups[groupId];
cart.Items = new Dictionary<string, int> { { "item1", nr }, { "item2", nr } };
long start = _stopwatch.ElapsedMilliseconds;
await _manager.UpdateCartAsync(cart);
long stop = _stopwatch.ElapsedMilliseconds;
lock (list) list.AddLast(stop - start);
groupId = (groupId + 1) % _groups.Length;
cartIndex = (cartIndex + 1) % carts.Length;
nr = Interlocked.Increment(ref _count);
}
}
/// <summary>
/// Creates the cart async.
/// </summary>
/// <returns> </returns>
public async Task<Cart> AddCartAsync(string groupId)
{
var c = new Cart {Id = Guid.NewGuid(), GroupId = groupId};
using (var connection = new CqlConnection("cartDB"))
{
await connection.OpenAsync();
var command = new CqlCommand(connection, "insert into Shop.Carts (id, groupId) values (?,?);");
await command.PrepareAsync();
command.Parameters.Set(c);
await command.ExecuteNonQueryAsync();
return c;
}
}
public async Task DoAddItems(Cart[] carts)
{
var list = _times.GetOrAdd("addItems", (n) => new LinkedList<long>());
int cartIndex = 0;
int nr = Interlocked.Increment(ref _count);
while (nr <= _queries)
{
Cart cart = carts[cartIndex];
var items = new Dictionary<string, int> { { "item1_" + nr, nr }, { "item2_" + nr, nr } };
long start = _stopwatch.ElapsedMilliseconds;
await _manager.AddItemsAsync(cart.Id, items);
long stop = _stopwatch.ElapsedMilliseconds;
lock (list) list.AddLast(stop - start);
cartIndex = (cartIndex + 1) % carts.Length;
nr = Interlocked.Increment(ref _count);
}
}
public async Task DoGetItems(Cart[] carts)
{
var list = _times.GetOrAdd("getItems", (n) => new LinkedList<long>());
int cartIndex = 0;
int nr = Interlocked.Increment(ref _count);
while (nr <= _queries)
{
Cart cart = carts[cartIndex];
long start = _stopwatch.ElapsedMilliseconds;
await _manager.GetItemsAsync(cart.Id);
long stop = _stopwatch.ElapsedMilliseconds;
lock (list) list.AddLast(stop - start);
cartIndex = (cartIndex + 1) % carts.Length;
nr = Interlocked.Increment(ref _count);
}
}
/// <summary>
/// Updates the cart async.
/// </summary>
/// <param name="c"> The c. </param>
/// <returns> </returns>
public async Task UpdateCartAsync(Cart c)
{
using (var connection = new CqlConnection("cartDB"))
{
await connection.OpenAsync();
var command = new CqlCommand(connection, "update Shop.Carts set groupid=?, items=? where id=?;");
await command.PrepareAsync();
command.Parameters.Set(c);
await command.ExecuteNonQueryAsync();
}
}