public override void Run(EPServiceProvider epService)
{
EPDataFlowRuntime dataFlowRuntime = epService.EPRuntime.DataFlowRuntime;
Assert.AreEqual(0, dataFlowRuntime.SavedConfigurations.Length);
Assert.IsNull(dataFlowRuntime.GetSavedConfiguration("MyFirstFlow"));
Assert.IsFalse(dataFlowRuntime.RemoveSavedConfiguration("MyFirstFlow"));
try {
dataFlowRuntime.InstantiateSavedConfiguration("MyFirstFlow");
Assert.Fail();
} catch (EPDataFlowInstantiationException ex) {
Assert.AreEqual("Dataflow saved configuration 'MyFirstFlow' could not be found", ex.Message);
}
try {
dataFlowRuntime.SaveConfiguration("MyFirstFlow", "MyDataflow", null);
Assert.Fail();
} catch (EPDataFlowNotFoundException ex) {
Assert.AreEqual("Failed to locate data flow 'MyDataflow'", ex.Message);
}
// finally create one
epService.EPAdministrator.CreateEPL("create objectarray schema MyEvent ()");
epService.EPAdministrator.CreateEPL("create dataflow MyDataflow " +
"BeaconSource -> outdata<MyEvent> {" +
" iterations:1" +
"}" +
"EventBusSink(outdata) {}");
// add it
dataFlowRuntime.SaveConfiguration("MyFirstFlow", "MyDataflow", null);
Assert.AreEqual(1, dataFlowRuntime.SavedConfigurations.Length);
EPDataFlowSavedConfiguration savedConfiguration = dataFlowRuntime.GetSavedConfiguration(dataFlowRuntime.SavedConfigurations[0]);
Assert.AreEqual("MyFirstFlow", savedConfiguration.SavedConfigurationName);
Assert.AreEqual("MyDataflow", savedConfiguration.DataflowName);
try {
dataFlowRuntime.SaveConfiguration("MyFirstFlow", "MyDataflow", null);
Assert.Fail();
} catch (EPDataFlowAlreadyExistsException ex) {
Assert.AreEqual("Data flow saved configuration by name 'MyFirstFlow' already exists", ex.Message);
}
// remove it
Assert.IsTrue(dataFlowRuntime.RemoveSavedConfiguration("MyFirstFlow"));
Assert.IsFalse(dataFlowRuntime.RemoveSavedConfiguration("MyFirstFlow"));
Assert.AreEqual(0, dataFlowRuntime.SavedConfigurations.Length);
Assert.IsNull(dataFlowRuntime.GetSavedConfiguration("MyFirstFlow"));
// add once more to instantiate
dataFlowRuntime.SaveConfiguration("MyFirstFlow", "MyDataflow", null);
EPDataFlowInstance instance = dataFlowRuntime.InstantiateSavedConfiguration("MyFirstFlow");
var listener = new SupportUpdateListener();
epService.EPAdministrator.CreateEPL("select * from MyEvent").Events += listener.Update;
instance.Run();
Assert.IsTrue(listener.GetAndClearIsInvoked());
EPAssertionUtil.AssertEqualsExactOrder(new string[] { "MyFirstFlow" }, dataFlowRuntime.SavedConfigurations);
Assert.IsNotNull(dataFlowRuntime.GetSavedConfiguration("MyFirstFlow"));
// add/remove instance
dataFlowRuntime.SaveInstance("F1", instance);
EPAssertionUtil.AssertEqualsExactOrder(new string[] { "F1" }, dataFlowRuntime.SavedInstances);
EPDataFlowInstance instanceFromSvc = dataFlowRuntime.GetSavedInstance("F1");
Assert.AreEqual("MyDataflow", instanceFromSvc.DataFlowName);
try {
dataFlowRuntime.SaveInstance("F1", instance);
Assert.Fail();
} catch (EPDataFlowAlreadyExistsException ex) {
// expected
Assert.AreEqual("Data flow instance name 'F1' already saved", ex.Message);
}
Assert.IsTrue(dataFlowRuntime.RemoveSavedInstance("F1"));
Assert.IsFalse(dataFlowRuntime.RemoveSavedInstance("F1"));
}
public void Add(EPDataFlowSavedConfiguration savedConfiguration)
{
savedConfigs.Put(savedConfiguration.SavedConfigurationName, savedConfiguration);
}
