private void RunAssertionManagementEvents(EPServiceProvider epService)
{
SupportVirtualDW vdw = RegisterTypeSetMapData(epService);
// create-index event
vdw.Events.Clear();
EPStatement stmtIndex = epService.EPAdministrator.CreateEPL("create index IndexOne on MyVDW (col3, col2 btree)");
VirtualDataWindowEventStartIndex startEvent = (VirtualDataWindowEventStartIndex)vdw.Events[0];
Assert.AreEqual("MyVDW", startEvent.NamedWindowName);
Assert.AreEqual("IndexOne", startEvent.IndexName);
Assert.AreEqual(2, startEvent.Fields.Count);
Assert.AreEqual("col3", ExprNodeUtility.ToExpressionStringMinPrecedenceSafe(startEvent.Fields[0].Expressions[0]));
Assert.AreEqual("hash", startEvent.Fields[0].Type);
Assert.AreEqual("col2", ExprNodeUtility.ToExpressionStringMinPrecedenceSafe(startEvent.Fields[1].Expressions[0]));
Assert.AreEqual("btree", startEvent.Fields[1].Type);
Assert.IsFalse(startEvent.IsUnique);
// stop-index event
vdw.Events.Clear();
stmtIndex.Stop();
VirtualDataWindowEventStopIndex stopEvent = (VirtualDataWindowEventStopIndex)vdw.Events[0];
Assert.AreEqual("MyVDW", stopEvent.NamedWindowName);
Assert.AreEqual("IndexOne", stopEvent.IndexName);
// stop named window
vdw.Events.Clear();
epService.EPAdministrator.GetStatement("create-nw").Stop();
VirtualDataWindowEventStopWindow stopWindow = (VirtualDataWindowEventStopWindow)vdw.Events[0];
Assert.AreEqual("MyVDW", stopWindow.NamedWindowName);
// start named window (not an event but a new factory call)
SupportVirtualDWFactory.Windows.Clear();
SupportVirtualDWFactory.Initializations.Clear();
epService.EPAdministrator.GetStatement("create-nw").Start();
Assert.AreEqual(1, SupportVirtualDWFactory.Windows.Count);
Assert.AreEqual(1, SupportVirtualDWFactory.Initializations.Count);
DestroyStmtsRemoveTypes(epService);
}
public void HandleStartIndex(CreateIndexDesc spec)
{
try
{
var fields = spec.Columns
.Select(col => new VirtualDataWindowEventStartIndex.VDWCreateIndexField(col.Expressions, col.IndexType, col.Parameters))
.ToList();
var create = new VirtualDataWindowEventStartIndex(
spec.WindowName, spec.IndexName, fields, spec.IsUnique);
_dataExternal.HandleEvent(create);
}
catch (Exception ex)
{
var message =
"Exception encountered invoking virtual data window handle start-index event for window '" +
_namedWindowName + "': " + ex.Message;
Log.Warn(message, ex);
throw new EPException(message, ex);
}
}
