Method Detail

• start

  void start(int rows,
           int columns,
           int startRow,
           int endRow,
           int startColumn,
           int endColumn)

  Start visiting a matrix.

  This method is called once before any entry of the matrix is visited.

  Parameters:

  rows - number of rows of the matrix

  columns - number of columns of the matrix

  startRow - Initial row index

  endRow - Final row index (inclusive)

  startColumn - Initial column index

  endColumn - Final column index (inclusive)

• visit

  T visit(int row,
        int column,
        T value)

  Visit one matrix entry.

  Parameters:

  row - row index of the entry

  column - column index of the entry

  value - current value of the entry

  Returns:

  the new value to be set for the entry

• end

  T end()

  End visiting a matrix.

  This method is called once after all entries of the matrix have been visited.

  Returns:

  the value that the walkInXxxOrder must return