protected static int countMatchingFields ( Tuple < ? extends SemanticType . Field > lhsFields , Tuple < ? extends SemanticType . Field > rhsFields ) { int count = 0 ; for ( int i = 0 ; i != lhsFields . size ( ) ; ++ i ) { for ( int j = 0 ; j != rhsFields . size ( ) ; ++ j ) { SemanticType . Field lhsField = lhsFields . get ( i ) ; SemanticType . Field rhsField = rhsFields . get ( j ) ; Identifier lhsFieldName = lhsField . getName ( ) ; Identifier rhsFieldName = rhsField . getName ( ) ; if ( lhsFieldName . equals ( rhsFieldName ) ) { count = count + 1 ; } } } return count ; }
Count the number of matching fields . That is fields with the same name .