public EPDataFlowEmitterWrapperWStatistics(
EPDataFlowEmitter facility,
int producerOpNum,
OperatorStatisticsProvider statisticsProvider,
bool cpuStatistics)
{
_facility = facility;
_producerOpNum = producerOpNum;
_statisticsProvider = statisticsProvider;
_cpuStatistics = cpuStatistics;
}
public static OperatorStatisticsProvider Realize(
DataflowDesc dataflow,
IDictionary<int, object> operators,
IList<LogicalChannelBinding> bindings,
DataFlowSignalManager dataFlowSignalManager,
EPDataFlowInstantiationOptions options,
AgentInstanceContext agentInstanceContext)
{
IDictionary<int, OperatorMetadataDescriptor> operatorMetadata = dataflow.OperatorMetadata;
// First pass: inject runtime context
IDictionary<int, EPDataFlowEmitter> runtimeContexts = new Dictionary<int, EPDataFlowEmitter>();
OperatorStatisticsProvider statisticsProvider = null;
if (options.IsOperatorStatistics) {
statisticsProvider = new OperatorStatisticsProvider(operatorMetadata);
}
foreach (int producerOpNum in dataflow.OperatorBuildOrder) {
var operatorPrettyPrint = operatorMetadata.Get(producerOpNum).OperatorPrettyPrint;
if (Log.IsDebugEnabled) {
Log.Debug("Generating runtime context for " + operatorPrettyPrint);
}
// determine the number of output streams
var producingOp = operators.Get(producerOpNum);
var numOutputStreams = operatorMetadata.Get(producerOpNum).NumOutputPorts;
var targets = GetOperatorConsumersPerStream(
numOutputStreams,
producerOpNum,
operators,
operatorMetadata,
bindings);
var runtimeContext = GenerateRuntimeContext(
agentInstanceContext,
dataflow,
options.DataFlowInstanceId,
producerOpNum,
operatorPrettyPrint,
dataFlowSignalManager,
targets,
options);
if (options.IsOperatorStatistics) {
runtimeContext = new EPDataFlowEmitterWrapperWStatistics(
runtimeContext,
producerOpNum,
statisticsProvider,
options.IsCpuStatistics);
}
TypeHelper.SetFieldForAnnotation(producingOp, typeof(DataFlowContextAttribute), runtimeContext);
runtimeContexts.Put(producerOpNum, runtimeContext);
}
// Second pass: hook punctuation such that it gets forwarded
foreach (int producerOpNum in dataflow.OperatorBuildOrder) {
var operatorPrettyPrint = operatorMetadata.Get(producerOpNum).OperatorPrettyPrint;
if (Log.IsDebugEnabled) {
Log.Debug("Handling signals for " + operatorPrettyPrint);
}
// determine consumers that receive punctuation
ISet<int> consumingOperatorsWithPunctuation = new HashSet<int>();
foreach (var binding in bindings) {
if (!binding.LogicalChannel.OutputPort.HasPunctuation ||
binding.LogicalChannel.OutputPort.ProducingOpNum != producerOpNum) {
continue;
}
consumingOperatorsWithPunctuation.Add(binding.LogicalChannel.ConsumingOpNum);
}
// hook up a listener for each
foreach (var consumerPunc in consumingOperatorsWithPunctuation) {
var context = runtimeContexts.Get(consumerPunc);
if (context == null) {
continue;
}
dataFlowSignalManager.AddSignalListener(
producerOpNum,
new ProxyDataFlowSignalListener {
ProcProcessSignal = signal => context.SubmitSignal(signal)
});
}
}
return statisticsProvider;
}