How to use

findMatchesOnPrimary

method

in

cascading.flow.planner.iso.finder.GraphFinder

public Match findMatchesOnPrimary( PlannerContext plannerContext, ElementGraph elementGraph, boolean firstOnly, Set<FlowElement> excludes )
 {
 return findMatchesOnPrimary( new FinderContext( excludes ), plannerContext, elementGraph, firstOnly );
 }

public Match findAllMatchesOnPrimary( PlannerContext plannerContext, ElementGraph elementGraph )
 {
 return findMatchesOnPrimary( new FinderContext(), plannerContext, elementGraph, false );
 }

public Match findAllMatchesOnPrimary( PlannerContext plannerContext, ElementGraph elementGraph, Set<FlowElement> excludes )
 {
 return findMatchesOnPrimary( new FinderContext( excludes ), plannerContext, elementGraph, false );
 }

@Override
public boolean hasNext()
 {
 if( match == null )
  {
  match = graphFinder.findMatchesOnPrimary( plannerContext, getContractedGraph(), firstOnly, elementExcludes );
  if( match.foundMatch() )
   {
   matches.add( match );
   elementExcludes.addAll( match.getCapturedElements( ElementCapture.Primary ) ); // idempotent
   count++;
   }
  }
 return match.foundMatch();
 }