public Map < SNode , Long > getMarkedAndCovered ( ) { if ( cachedMarkedAndCoveredNodes == null ) { if ( document != null ) { cachedMarkedAndCoveredNodes = CommonHelper . createSNodeMapFromIDs ( markedAndCovered , document . getDocumentGraph ( ) ) ; } } return cachedMarkedAndCoveredNodes ; }
This map is used for calculating the colors of a matching node .