public ItemAndDiscountOutputObject(Item newItem, Transaction transaction, double heightOfEachBox, StackPanel itemOutputPanel, StackPanel couponOutputPanel, UpdateTotals updateFunction, Employee currentUser)
{
m_item = newItem;
m_transaction = transaction;
boxHeight = heightOfEachBox;
m_itemOutputPanel = itemOutputPanel;
m_discountOutputPanel = couponOutputPanel;
m_currentUser = currentUser;
m_stackOfDiscounts = new StackPanel();
m_updateFunction = updateFunction;
ItemDisplayBox itemDisplayBox = new ItemDisplayBox(m_item, m_transaction, RemoveItem, UpdateItemDetails, AddDiscount, m_currentUser);
itemDisplayBox.VerticalAlignment = System.Windows.VerticalAlignment.Top;
itemDisplayBox.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
itemDisplayBox.Height = boxHeight;
m_itemDescriptionBox = new Grid();
m_itemDescriptionBox.Children.Add(itemDisplayBox);
if (m_item.Discounts.Count() == 0)
{
Grid blankCoupon = new Grid();
blankCoupon.Height = boxHeight;
m_stackOfDiscounts.Children.Add(blankCoupon);
m_noDiscounts = true;
}
else
{
m_noDiscounts = false;
foreach (IDiscount discount in m_item.Discounts)
{
DiscountDisplayBox autoAppliedDiscount = new DiscountDisplayBox(discount, m_item, m_transaction, RemoveDiscount, UpdateItemDetails, m_currentUser);
autoAppliedDiscount.Height = boxHeight;
m_stackOfDiscounts.Children.Add(autoAppliedDiscount);
}
}
UpdateHeight();
OutputItem();
}
private void TrySend(EPServiceProvider epService, int numThreads, int numEventsPerThread)
{
epService.EPAdministrator.Configuration.AddEventType <SupportBean>();
// setup statements
epService.EPAdministrator.CreateEPL("create window MyWindow#unique(TheString, IntPrimitive) as select * from SupportBean");
epService.EPAdministrator.CreateEPL("insert into MyWindow select * from SupportBean(BoolPrimitive = true)");
epService.EPAdministrator.CreateEPL("on SupportBean(BoolPrimitive = false) sb " +
"update MyWindow win set IntBoxed = win.IntBoxed + 1, DoublePrimitive = win.DoublePrimitive + sb.DoublePrimitive" +
" where sb.TheString = win.TheString and sb.IntPrimitive = win.IntPrimitive");
// send primer events, initialize totals
var totals = new Dictionary <MultiKeyUntyped, UpdateTotals>();
for (int i = 0; i < NUM_STRINGS; i++)
{
for (int j = 0; j < NUM_INTS; j++)
{
var primer = new SupportBean(Convert.ToString(i), j);
primer.BoolPrimitive = true;
primer.IntBoxed = 0;
primer.DoublePrimitive = 0;
epService.EPRuntime.SendEvent(primer);
var key = new MultiKeyUntyped(primer.TheString, primer.IntPrimitive);
totals.Put(key, new UpdateTotals(0, 0));
}
}
// execute
long startTime = DateTimeHelper.CurrentTimeMillis;
var threadPool = Executors.NewFixedThreadPool(numThreads);
var future = new Future <StmtNamedWindowUpdateCallable.UpdateResult> [numThreads];
for (int i = 0; i < numThreads; i++)
{
future[i] = threadPool.Submit(new StmtNamedWindowUpdateCallable("Thread" + i, epService, numEventsPerThread));
}
threadPool.Shutdown();
threadPool.AwaitTermination(10, TimeUnit.SECONDS);
long endTime = DateTimeHelper.CurrentTimeMillis;
// total up result
long deltaCumulative = 0;
for (int i = 0; i < numThreads; i++)
{
StmtNamedWindowUpdateCallable.UpdateResult result = future[i].GetValueOrDefault();
deltaCumulative += result.Delta;
foreach (StmtNamedWindowUpdateCallable.UpdateItem item in result.Updates)
{
var key = new MultiKeyUntyped(item.TheString, item.Intval);
UpdateTotals total = totals.Get(key);
if (total == null)
{
throw new EPRuntimeException("Totals not found for key " + key);
}
total.Num = total.Num + 1;
total.Sum = total.Sum + item.DoublePrimitive;
}
}
// compare
EventBean[] rows = epService.EPRuntime.ExecuteQuery("select * from MyWindow").Array;
Assert.AreEqual(rows.Length, totals.Count);
long totalUpdates = 0;
foreach (EventBean row in rows)
{
UpdateTotals total = totals.Get(new MultiKeyUntyped(row.Get("TheString"), row.Get("IntPrimitive")));
Assert.AreEqual(total.Num, row.Get("IntBoxed"));
Assert.AreEqual(total.Sum, row.Get("DoublePrimitive"));
totalUpdates += total.Num;
}
Assert.AreEqual(totalUpdates, numThreads * numEventsPerThread);
//long deltaTime = endTime - startTime;
//Log.Info("Totals updated: " + totalUpdates + " Delta cumu: " + deltaCumulative + " Delta pooled: " + deltaTime);
}
private void TrySend(int numThreads, int numEventsPerThread)
{
Configuration config = SupportConfigFactory.GetConfiguration();
config.AddEventType("SupportBean", typeof(SupportBean));
_engine = EPServiceProviderManager.GetDefaultProvider(config);
_engine.Initialize();
// setup statements
_engine.EPAdministrator.CreateEPL("create window MyWindow.std:unique(TheString, IntPrimitive) as select * from SupportBean");
_engine.EPAdministrator.CreateEPL("insert into MyWindow select * from SupportBean(BoolPrimitive = true)");
_engine.EPAdministrator.CreateEPL("on SupportBean(BoolPrimitive = false) sb " +
"Update MyWindow win set IntBoxed = win.IntBoxed + 1, DoublePrimitive = win.DoublePrimitive + sb.DoublePrimitive" +
" where sb.TheString = win.TheString and sb.IntPrimitive = win.IntPrimitive");
// send primer events, initialize totals
IDictionary <MultiKeyUntyped, UpdateTotals> totals = new Dictionary <MultiKeyUntyped, UpdateTotals>();
for (int i = 0; i < NUM_STRINGS; i++)
{
for (int j = 0; j < NUM_INTS; j++)
{
var primer = new SupportBean(Convert.ToString(i), j);
primer.BoolPrimitive = true;
primer.IntBoxed = 0;
primer.DoublePrimitive = 0;
_engine.EPRuntime.SendEvent(primer);
var key = new MultiKeyUntyped(primer.TheString, primer.IntPrimitive);
totals.Put(key, new UpdateTotals(0, 0));
}
}
// execute
long startTime = PerformanceObserver.MilliTime;
var threadPool = Executors.NewFixedThreadPool(numThreads);
var future = new Future <StmtNamedWindowUpdateCallable.UpdateResult> [numThreads];
for (int i = 0; i < numThreads; i++)
{
future[i] = threadPool.Submit(new StmtNamedWindowUpdateCallable("Thread" + i, _engine, numEventsPerThread));
}
threadPool.Shutdown();
threadPool.AwaitTermination(TimeSpan.FromSeconds(10));
long endTime = PerformanceObserver.MilliTime;
// total up result
long deltaCumulative = 0;
for (int i = 0; i < numThreads; i++)
{
StmtNamedWindowUpdateCallable.UpdateResult result = future[i].GetValueOrDefault();
deltaCumulative += result.Delta;
foreach (StmtNamedWindowUpdateCallable.UpdateItem item in result.Updates)
{
var key = new MultiKeyUntyped(item.TheString, item.Intval);
var total = totals.Get(key);
if (total == null)
{
throw new ApplicationException("Totals not found for key " + key);
}
total.Num = total.Num + 1;
total.Sum = total.Sum + item.DoublePrimitive;
}
}
// compare
EventBean[] rows = _engine.EPRuntime.ExecuteQuery("select * from MyWindow").Array;
Assert.AreEqual(rows.Length, totals.Count);
long totalUpdates = 0;
foreach (EventBean row in rows)
{
UpdateTotals total = totals.Get(new MultiKeyUntyped(row.Get("TheString"), row.Get("IntPrimitive")));
Assert.AreEqual(total.Num, row.Get("IntBoxed"));
Assert.AreEqual(total.Sum, row.Get("DoublePrimitive"));
totalUpdates += total.Num;
}
Assert.AreEqual(totalUpdates, numThreads * numEventsPerThread);
//long deltaTime = endTime - startTime;
//Console.Out.WriteLine("Totals updated: " + totalUpdates + " Delta cumu: " + deltaCumulative + " Delta pooled: " + deltaTime);
}
