private void TrySend(EPServiceProvider epService, int numThreads, int numRepeats, int numStatements)
{
// Create same statement X times
var stmt = new EPStatement[numStatements];
var listeners = new SupportMTUpdateListener[stmt.Length];
for (int i = 0; i < stmt.Length; i++)
{
stmt[i] = epService.EPAdministrator.CreateEPL(
" select * " +
" from " + typeof(SupportMarketDataBean).FullName + "#groupwin(symbol)#uni(price)");
listeners[i] = new SupportMTUpdateListener();
stmt[i].Events += listeners[i].Update;
}
var threadPool = Executors.NewFixedThreadPool(numThreads);
var future = new Future <bool> [numThreads];
// Start send threads
// Each threads sends each symbol with price = 0 to numRepeats
long delta = PerformanceObserver.TimeMillis(
() => {
for (int i = 0; i < numThreads; i++)
{
var callable = new StmtSharedViewCallable(numRepeats, epService, SYMBOLS);
future[i] = threadPool.Submit(callable);
}
// Shut down
threadPool.Shutdown();
threadPool.AwaitTermination(10, TimeUnit.SECONDS);
});
for (int i = 0; i < numThreads; i++)
{
Assert.IsTrue(future[i].GetValueOrDefault());
}
Assert.That(delta, Is.LessThan(5000)); // should take less then 5 seconds even for 100 statements as they need to share resources thread-safely
// Assert results
foreach (SupportMTUpdateListener listener in listeners)
{
Assert.AreEqual(numRepeats * numThreads * SYMBOLS.Length, listener.NewDataList.Count);
EventBean[] newDataLast = listener.NewDataList[listener.NewDataList.Count - 1];
Assert.AreEqual(1, newDataLast.Length);
var result = newDataLast[0];
Assert.AreEqual(numRepeats * numThreads, result.Get("datapoints").AsLong());
Assert.IsTrue(Collections.List(SYMBOLS).Contains(result.Get("symbol")));
Assert.AreEqual(SumToN(numRepeats) * numThreads, result.Get("total"));
listener.Reset();
}
for (int i = 0; i < stmt.Length; i++)
{
stmt[i].Stop();
}
}
private void TrySend(int numThreads, int numRepeats, int numStatements)
{
// Create same statement X times
var stmts = new EPStatement[numStatements];
var listeners = new SupportMTUpdateListener[stmts.Length];
for (int i = 0; i < stmts.Length; i++)
{
stmts[i] = _engine.EPAdministrator.CreateEPL(
" select * " +
" from " + typeof(SupportMarketDataBean).FullName + "#groupwin(Symbol)#uni(Price)");
listeners[i] = new SupportMTUpdateListener();
stmts[i].Events += listeners[i].Update;
}
// Start send threads
// Each threads sends each symbol with price = 0 to numRepeats
var startTime = PerformanceObserver.MilliTime;
var threadPool = Executors.NewFixedThreadPool(numThreads);
var future = new Future <bool> [numThreads];
for (int i = 0; i < numThreads; i++)
{
var callable = new StmtSharedViewCallable(numRepeats, _engine, SYMBOLS);
future[i] = threadPool.Submit(callable);
}
// Shut down
threadPool.Shutdown();
threadPool.AwaitTermination(TimeSpan.FromSeconds(10));
for (int i = 0; i < numThreads; i++)
{
Assert.IsTrue(future[i].GetValueOrDefault());
}
var endTime = PerformanceObserver.MilliTime;
var delta = endTime - startTime;
Assert.IsTrue(delta < 5000, "delta=" + delta + " not less then 5 sec"); // should take less then 5 seconds even for 100 statements as they need to share resources thread-safely
// Assert results
foreach (SupportMTUpdateListener listener in listeners)
{
Assert.AreEqual(numRepeats * numThreads * SYMBOLS.Count, listener.GetNewDataList().Count);
EventBean[] newDataLast = listener.GetNewDataList()[listener.GetNewDataList().Count - 1];
Assert.AreEqual(1, newDataLast.Length);
EventBean result = newDataLast[0];
Assert.AreEqual(numRepeats * numThreads, result.Get("datapoints").AsLong());
Assert.IsTrue(SYMBOLS.Contains((string)result.Get("Symbol")));
Assert.AreEqual(SumToN(numRepeats) * numThreads, result.Get("total"));
listener.Reset();
}
foreach (var stmt in stmts)
{
stmt.Stop();
}
}
