How to use

getVertex

method

in

cascading.flow.planner.iso.finder.IndexedMatchGraph

public ElementExpression getMatcherNode( int vertex )
 {
 return matchGraph.getVertex( vertex );
 }

private boolean areCompatibleNodes( int node1, int node2 )
 {
 Expression expression = matchGraph.getVertex( node1 );
 FlowElement flowElement = elementGraph.getVertex( node2 );
 boolean result;
 if( ( (ElementExpression) expression ).getCapture() == ElementCapture.Primary &&
  !finderContext.getRequiredElements().isEmpty() )
  result = finderContext.isRequired( flowElement );
 else if( finderContext.isExcluded( flowElement ) || finderContext.isIgnored( flowElement ) )
  result = false;
 else
  result = expression.applies( plannerContext, elementGraph.getElementGraph(), flowElement );
 if( LOG.isDebugEnabled() && result )
  LOG.debug( "compatible nodes: {}:{} matched {}:{}", node1, expression, node2, flowElement );
 return result;
 }

LOG.trace( "no matcher edge between nodes: {}:{} -> {}:{}", node1, matchGraph.getVertex( node1 ), other1, matchGraph.getVertex( other1 ) );
LOG.trace( "no matcher edge between nodes: {}:{} -> {}:{}", other1, matchGraph.getVertex( other1 ), node1, matchGraph.getVertex( node1 ) );