public static FlowElementGraph asFlowElementGraph( PlatformInfo platformInfo, FlowStepGraph flowStepGraph ) { ElementMultiGraph elementDirectedGraph = asElementMultiGraph( flowStepGraph.getElementGraphs() ); Map<String, Tap> sources = asSourceMap( elementDirectedGraph, findSources( elementDirectedGraph ) ); Map<String, Tap> sinks = asSinkMap( elementDirectedGraph, findSinks( elementDirectedGraph ) ); return new FlowElementGraph( platformInfo, elementDirectedGraph, sources, sinks, null, null ); }