public void Run(RegressionEnvironment env)
{
MyExceptionHandler.Contexts.Clear();
// test exception by graph source
env.CompileDeploy(
"@Name('flow') create dataflow MyDataFlow DefaultSupportSourceOp -> outstream<SupportBean> {}");
var op = new DefaultSupportSourceOp(new object[] {new EPRuntimeException("My-Exception-Is-Here")});
var options = new EPDataFlowInstantiationOptions();
options.WithOperatorProvider(new DefaultSupportGraphOpProvider(op));
var handler = new MyExceptionHandler();
options.WithExceptionHandler(handler);
var df = env.Runtime.DataFlowService.Instantiate(env.DeploymentId("flow"), "MyDataFlow", options);
df.Start();
Sleep(100);
Sleep(10000);
Assert.AreEqual(EPDataFlowState.COMPLETE, df.State);
Assert.AreEqual(1, MyExceptionHandler.Contexts.Count);
var context = MyExceptionHandler.Contexts[0];
Assert.AreEqual("MyDataFlow", context.DataFlowName);
Assert.AreEqual("DefaultSupportSourceOp", context.OperatorName);
Assert.AreEqual(0, context.OperatorNumber);
Assert.AreEqual("DefaultSupportSourceOp#0() -> outstream<SupportBean>", context.OperatorPrettyPrint);
Assert.AreEqual(
"Support-graph-source generated exception: My-Exception-Is-Here",
context.Exception.Message);
df.Cancel();
env.UndeployModuleContaining("flow");
MyExceptionHandler.Contexts.Clear();
// test exception by operator
env.CompileDeploy(
"@Name('flow') create dataflow MyDataFlow DefaultSupportSourceOp -> outstream<SupportBean> {}" +
"MyExceptionOp(outstream) {}");
var opTwo = new DefaultSupportSourceOp(new object[] {new SupportBean("E1", 1)});
var optionsTwo = new EPDataFlowInstantiationOptions();
optionsTwo.WithOperatorProvider(new DefaultSupportGraphOpProvider(opTwo));
var handlerTwo = new MyExceptionHandler();
optionsTwo.WithExceptionHandler(handlerTwo);
var dfTwo = env.Runtime.DataFlowService.Instantiate(env.DeploymentId("flow"), "MyDataFlow", optionsTwo);
dfTwo.Start();
Sleep(100);
Assert.AreEqual(1, MyExceptionHandler.Contexts.Count);
var contextTwo = MyExceptionHandler.Contexts[0];
Assert.AreEqual("MyDataFlow", contextTwo.DataFlowName);
Assert.AreEqual("MyExceptionOp", contextTwo.OperatorName);
Assert.AreEqual(1, contextTwo.OperatorNumber);
Assert.AreEqual("MyExceptionOp#1(outstream)", contextTwo.OperatorPrettyPrint);
Assert.AreEqual("Operator-thrown-exception", contextTwo.Exception.Message);
}
