private static SelectJoinHolder SetupStmt(RegressionEnvironment env)
{
var holder = new SelectJoinHolder();
var epl =
"@Name('s0') select irstream * from SupportBean_A#length(3) as streamA, SupportBean_B#length(3) as streamB where streamA.Id = streamB.Id";
holder.stmt = env.CompileDeploy(epl).Statement("s0");
holder.listener = env.ListenerNew();
holder.stmt.AddListener(holder.listener);
Assert.AreEqual(typeof(SupportBean_A), holder.stmt.EventType.GetPropertyType("streamA"));
Assert.AreEqual(typeof(SupportBean_B), holder.stmt.EventType.GetPropertyType("streamB"));
Assert.AreEqual(2, holder.stmt.EventType.PropertyNames.Length);
holder.eventsA = new SupportBean_A[10];
holder.eventsASetTwo = new SupportBean_A[10];
holder.eventsB = new SupportBean_B[10];
holder.eventsBSetTwo = new SupportBean_B[10];
for (var i = 0; i < holder.eventsA.Length; i++) {
holder.eventsA[i] = new SupportBean_A(Convert.ToString(i));
holder.eventsASetTwo[i] = new SupportBean_A(Convert.ToString(i));
holder.eventsB[i] = new SupportBean_B(Convert.ToString(i));
holder.eventsBSetTwo[i] = new SupportBean_B(Convert.ToString(i));
}
return holder;
}
private SelectJoinHolder SetupStmt(EPServiceProvider epService)
{
var holder = new SelectJoinHolder();
string epl = "select irstream * from A#length(3) as streamA, B#length(3) as streamB where streamA.id = streamB.id";
holder.stmt = epService.EPAdministrator.CreateEPL(epl);
holder.listener = new SupportUpdateListener();
holder.stmt.Events += holder.listener.Update;
Assert.AreEqual(typeof(SupportBean_A), holder.stmt.EventType.GetPropertyType("streamA"));
Assert.AreEqual(typeof(SupportBean_B), holder.stmt.EventType.GetPropertyType("streamB"));
Assert.AreEqual(2, holder.stmt.EventType.PropertyNames.Length);
holder.eventsA = new SupportBean_A[10];
holder.eventsASetTwo = new SupportBean_A[10];
holder.eventsB = new SupportBean_B[10];
holder.eventsBSetTwo = new SupportBean_B[10];
for (int i = 0; i < holder.eventsA.Length; i++)
{
holder.eventsA[i] = new SupportBean_A(Convert.ToString(i));
holder.eventsASetTwo[i] = new SupportBean_A(Convert.ToString(i));
holder.eventsB[i] = new SupportBean_B(Convert.ToString(i));
holder.eventsBSetTwo[i] = new SupportBean_B(Convert.ToString(i));
}
return(holder);
}
private void RunAssertionJoinUniquePerId(EPServiceProvider epService)
{
SelectJoinHolder holder = SetupStmt(epService);
SendEvent(epService, holder.eventsA[0]);
SendEvent(epService, holder.eventsB[1]);
Assert.IsNull(holder.listener.LastNewData);
// Test join new B with id 0
SendEvent(epService, holder.eventsB[0]);
Assert.AreSame(holder.eventsA[0], holder.listener.LastNewData[0].Get("streamA"));
Assert.AreSame(holder.eventsB[0], holder.listener.LastNewData[0].Get("streamB"));
Assert.IsNull(holder.listener.LastOldData);
holder.listener.Reset();
// Test join new A with id 1
SendEvent(epService, holder.eventsA[1]);
Assert.AreSame(holder.eventsA[1], holder.listener.LastNewData[0].Get("streamA"));
Assert.AreSame(holder.eventsB[1], holder.listener.LastNewData[0].Get("streamB"));
Assert.IsNull(holder.listener.LastOldData);
holder.listener.Reset();
SendEvent(epService, holder.eventsA[2]);
Assert.IsNull(holder.listener.LastOldData);
// Test join old A id 0 leaves length window of 3 events
SendEvent(epService, holder.eventsA[3]);
Assert.AreSame(holder.eventsA[0], holder.listener.LastOldData[0].Get("streamA"));
Assert.AreSame(holder.eventsB[0], holder.listener.LastOldData[0].Get("streamB"));
Assert.IsNull(holder.listener.LastNewData);
holder.listener.Reset();
// Test join old B id 1 leaves window
SendEvent(epService, holder.eventsB[4]);
Assert.IsNull(holder.listener.LastOldData);
SendEvent(epService, holder.eventsB[5]);
Assert.AreSame(holder.eventsA[1], holder.listener.LastOldData[0].Get("streamA"));
Assert.AreSame(holder.eventsB[1], holder.listener.LastOldData[0].Get("streamB"));
Assert.IsNull(holder.listener.LastNewData);
holder.stmt.Dispose();
}
private void RunAssertionJoinNonUniquePerId(EPServiceProvider epService)
{
SelectJoinHolder holder = SetupStmt(epService);
SendEvent(epService, holder.eventsA[0]);
SendEvent(epService, holder.eventsA[1]);
SendEvent(epService, holder.eventsASetTwo[0]);
Assert.IsTrue(holder.listener.LastOldData == null && holder.listener.LastNewData == null);
SendEvent(epService, holder.eventsB[0]); // Event B id 0 joins to A id 0 twice
EventBean[] data = holder.listener.LastNewData;
Assert.IsTrue(holder.eventsASetTwo[0] == data[0].Get("streamA") || holder.eventsASetTwo[0] == data[1].Get("streamA")); // Order arbitrary
Assert.AreSame(holder.eventsB[0], data[0].Get("streamB"));
Assert.IsTrue(holder.eventsA[0] == data[0].Get("streamA") || holder.eventsA[0] == data[1].Get("streamA"));
Assert.AreSame(holder.eventsB[0], data[1].Get("streamB"));
Assert.IsNull(holder.listener.LastOldData);
holder.listener.Reset();
SendEvent(epService, holder.eventsB[2]);
SendEvent(epService, holder.eventsBSetTwo[0]); // Ignore events generated
holder.listener.Reset();
SendEvent(epService, holder.eventsA[3]); // Pushes A id 0 out of window, which joins to B id 0 twice
data = holder.listener.LastOldData;
Assert.AreSame(holder.eventsA[0], holder.listener.LastOldData[0].Get("streamA"));
Assert.IsTrue(holder.eventsB[0] == data[0].Get("streamB") || holder.eventsB[0] == data[1].Get("streamB")); // B order arbitrary
Assert.AreSame(holder.eventsA[0], holder.listener.LastOldData[1].Get("streamA"));
Assert.IsTrue(holder.eventsBSetTwo[0] == data[0].Get("streamB") || holder.eventsBSetTwo[0] == data[1].Get("streamB"));
Assert.IsNull(holder.listener.LastNewData);
holder.listener.Reset();
SendEvent(epService, holder.eventsBSetTwo[2]); // Pushes B id 0 out of window, which joins to A set two id 0
Assert.AreSame(holder.eventsASetTwo[0], holder.listener.LastOldData[0].Get("streamA"));
Assert.AreSame(holder.eventsB[0], holder.listener.LastOldData[0].Get("streamB"));
Assert.AreEqual(1, holder.listener.LastOldData.Length);
holder.stmt.Dispose();
}
