infovis.utils
Class TableIterator

java.lang.Object
  infovis.utils.AbstractRowIterator
      infovis.utils.TableIterator

All Implemented Interfaces:

RowIterator, Iterator

Direct Known Subclasses:

ColumnIterator, IdManagerIterator

public class TableIterator
extends AbstractRowIterator

Iterator over table rows.

Version:

$Revision: 1.14 $

Author:

Jean-Daniel Fekete

Constructor Summary

TableIterator(int first, int end)
Creates an iterator over a table given its first row, its end (1 + last).

TableIterator(int first, int end, boolean up)
Creates an iterator over a table given its first row, its end (1 + last) and its direction.

Method Summary

RowIterator	copy() Clone myself with the right type returned.
boolean	hasNext()
int	nextRow() Returns the next row after incrementing the iterator.
int	peekRow() Returns the next row without incrementing the iterator.
void	remove()

Methods inherited from class infovis.utils.AbstractRowIterator

next

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TableIterator

public TableIterator(int first,
                     int end,
                     boolean up)

Creates an iterator over a table given its first row, its end (1 + last) and its direction.

Parameters:

first - the first row

end - the end of the iterator

up - true if the iterator goes from lower value to upper values, false otherwise

TableIterator

public TableIterator(int first,
                     int end)

Creates an iterator over a table given its first row, its end (1 + last). The direction is guessed.

Parameters:

first - the first row

end - the end of the iterator

Method Detail

hasNext

public boolean hasNext()

remove

public void remove()

nextRow

public int nextRow()

Description copied from interface: RowIterator

Returns the next row after incrementing the iterator.

Returns:

the next row.

peekRow

public int peekRow()

Description copied from interface: RowIterator

Returns the next row without incrementing the iterator.

Returns:

the next row.

copy

public RowIterator copy()

Description copied from interface: RowIterator

Clone myself with the right type returned.

Returns:

a copy of myself.

See Also:

RowIterator.copy()