public object Provide(EPDataFlowOperatorProviderContext context)
{
foreach (object op in ops) {
if (context.OperatorName.Equals(op.GetType().Name)) {
return op;
}
}
return null;
}
public Object Provide(EPDataFlowOperatorProviderContext context)
{
for (var ii = 0; ii < _ops.Length; ii++)
{
if (context.OperatorName == _ops[ii].GetType().Name)
{
return(_ops[ii]);
}
}
return(null);
}
public void TestOperatorInjectionCallback()
{
_epService.EPAdministrator.CreateEPL("create dataflow MyDataFlowOne MyOp -> outstream<SomeType> {propOne:'abc', propThree:'xyz'}");
var myOperatorProvider = new MyOperatorProvider();
var options = new EPDataFlowInstantiationOptions();
options.OperatorProvider(myOperatorProvider);
_epService.EPRuntime.DataFlowRuntime.Instantiate("MyDataFlowOne", options);
Assert.AreEqual(1, myOperatorProvider.ContextMap.Count);
EPDataFlowOperatorProviderContext context = myOperatorProvider.ContextMap.Get("MyOp");
Assert.AreEqual("MyOp", context.OperatorName);
Assert.NotNull(context.Spec);
Assert.AreEqual("MyDataFlowOne", context.DataFlowName);
}
public object Provide(EPDataFlowOperatorProviderContext context)
{
if (names.ContainsKey(context.OperatorName)) {
return names.Get(context.OperatorName);
}
if (context.Factory is DefaultSupportSourceOpFactory sourceOpFactory) {
if (sourceOpFactory.Name != null && names.ContainsKey(sourceOpFactory.Name)) {
return names.Get(sourceOpFactory.Name);
}
}
if (context.Factory is DefaultSupportCaptureOpFactory<object> captureOpFactory) {
if (captureOpFactory.Name != null && names.ContainsKey(captureOpFactory.Name)) {
return names.Get(captureOpFactory.Name);
}
}
return null;
}
private void RunAssertionOperatorInjectionCallback(EPServiceProvider epService)
{
epService.EPAdministrator.CreateEPL("create schema SomeType ()");
epService.EPAdministrator.CreateEPL("create dataflow MyDataFlowOne MyOp -> outstream<SomeType> {propOne:'abc', propThree:'xyz'}");
var myOperatorProvider = new MyOperatorProvider();
var options = new EPDataFlowInstantiationOptions();
options.OperatorProvider(myOperatorProvider);
epService.EPRuntime.DataFlowRuntime.Instantiate("MyDataFlowOne", options);
Assert.AreEqual(1, myOperatorProvider.ContextMap.Count);
EPDataFlowOperatorProviderContext context = myOperatorProvider.ContextMap.Get("MyOp");
Assert.AreEqual("MyOp", context.OperatorName);
Assert.IsNotNull(context.Spec);
Assert.AreEqual("MyDataFlowOne", context.DataFlowName);
epService.EPAdministrator.DestroyAllStatements();
}
public Object Provide(EPDataFlowOperatorProviderContext context)
{
return(_names.Get(context.OperatorName));
}
public Object Provide(EPDataFlowOperatorProviderContext context)
{
return(_ops.FirstOrDefault(op => context.OperatorName == op.GetType().Name));
}
public Object Provide(EPDataFlowOperatorProviderContext context)
{
_contextMap.Put(context.OperatorName, context);
return(new MyOp("test"));
}
