// ------------------------------ save item methods ------------------------------
public Guid SaveItem(ICoreItem newItem)
{
if (newItem.DataType == null)
{
throw new ArgumentNullException("dataType");
}
newItem.Freeze();
Cache.Put(newItem.Name, newItem, new CoreItemCacheParams(newItem.DataType, Guid.Empty));
NotifyUserDataChange(Cache.GetUpdates());
return(newItem.Id);
}
public void TestStressServerLoadAndRetrieve()
{
// return an increasing number of trades until failure
Trade trade = XmlSerializerHelper.DeserializeFromString <Trade>(
ResourceHelper.GetResourceWithPartialName(Assembly.GetExecutingAssembly(), "SampleSwap.xml"));
NamedValueSet tradeProps = new NamedValueSet(
ResourceHelper.GetResourceWithPartialName(Assembly.GetExecutingAssembly(), "SampleSwap.nvs"));
using (Reference <ILogger> loggerRef = Reference <ILogger> .Create(new TraceLogger(true)))
{
NamedValueSet serverSettings = new NamedValueSet();
serverSettings.Set(CfgPropName.NodeType, (int)NodeType.Router);
serverSettings.Set(CfgPropName.EnvName, "UTT");
using (CoreServer server = new CoreServer(loggerRef, serverSettings))
{
server.Start();
using (ICoreClient client = new CoreClientFactory(loggerRef).SetEnv("UTT").SetServers("localhost:8113").Create())
//using (ICoreClient client = new CoreClientFactory(loggerRef).SetEnv(EnvId.DEV_Development).Create())
{
// delete the test trades
IExpression deleteExpr = Expr.StartsWith(Expr.SysPropItemName, "Test.");
client.DeleteObjects <Trade>(deleteExpr);
const int maxLoops = 1;
const int loopRepeat = 1;
const int incrementPerLoop = 1024;
int itemsPerLoop = 8192 - 1024;
int itemsSaved = 0;
for (int loop = 0; loop < maxLoops; loop++)
{
for (int repeat = 0; repeat < loopRepeat; repeat++)
{
// create trades
loggerRef.Target.LogDebug("[{0}-{1}] Making {2} trades...", loop, repeat, itemsPerLoop);
List <IAsyncResult> completions = new List <IAsyncResult>();
ICoreItem[] items = new ICoreItem[itemsPerLoop];
for (int i = 0; i < itemsPerLoop; i++)
{
string tradeName = $"Test.{loop}.{i}";
ICoreItem item = client.MakeObject(trade, tradeName, tradeProps);
item.Freeze(); // serialises
items[i] = item;
}
loggerRef.Target.LogDebug("[{0}-{1}] Commencing save of {2} trades...", loop, repeat, itemsPerLoop);
for (int i = 0; i < itemsPerLoop; i++)
{
completions.Add(client.SaveItemBegin(items[i]));
itemsSaved++;
}
loggerRef.Target.LogDebug("[{0}-{1}] Completing save of {2} trades...", loop, repeat, itemsPerLoop);
foreach (IAsyncResult ar in completions)
{
client.SaveEnd(ar);
}
// load all that have been saved
string loopName = $"Test.{loop}.";
loggerRef.Target.LogDebug("[{0}-{1}] Loading {2} trades...", loop, repeat, itemsPerLoop);
List <ICoreItem> tradeItems = client.LoadItems <Trade>(Expr.StartsWith(Expr.SysPropItemName, loopName));
Assert.AreEqual(itemsPerLoop, tradeItems.Count);
loggerRef.Target.LogDebug("[{0}-{1}] Unpacking {2} trades...", loop, repeat, itemsPerLoop);
List <Trade> trades = new List <Trade>();
foreach (ICoreItem item in tradeItems)
{
trades.Add((Trade)item.Data);
}
loggerRef.Target.LogDebug("[{0}-{1}] Retrieved {2} trades.", loop, repeat, itemsPerLoop);
// delete the test trades
client.DeleteObjects <Trade>(deleteExpr);
GC.Collect();
}
// next loop
itemsPerLoop += incrementPerLoop;
} // for loop
}
}
}
}