FlowDef flow = new FlowDef().addSource(copy, sourceTap()).addTailSink(copy,
new EsTap("cascading-local/cascade-connector"));
FlowConnector connector = new LocalFlowConnector(cfg);
Flow[] flows = new Flow[] { connector.connect(flow) };
CascadeConnector cascadeConnector = new CascadeConnector(cfg);
cascadeConnector.connect(flows).complete();
}