private void findMatches ( ModifiableDBIDs posn , Relation < ? > lrelation , Object label ) { posn . clear ( ) ; for ( DBIDIter ri = lrelation . iterDBIDs ( ) ; ri . valid ( ) ; ri . advance ( ) ) { if ( match ( label , lrelation . get ( ri ) ) ) { posn . add ( ri ) ; } } }
Find all matching objects .