com.espertech.esper.dataflow.interfaces
Interfaces 
DataFlowOperatorFactory
DataFlowOpLifecycle
DataFlowSourceOperator
EPDataFlowEmitter
EPDataFlowSignalHandler
Classes 
DataFlowOpCloseContext
DataFlowOpInitializateContext
DataFlowOpInitializeContext
DataFlowOpInitializeResult
DataFlowOpInputPort
DataFlowOpOpenContext
DataFlowOpOutputPort