infovis.utils
Interface RowIterator

All Superinterfaces:

Iterator

All Known Implementing Classes:

AbstractRowIterator, AppendRowIterator, ArrayChildrenIterator, ColumnIterator, FilteredRowIterator, IdManagerIterator, NullRowIterator, RBTree.KeyIterator, RowIteratorProxy, TableIterator

public interface RowIterator
extends Iterator

Iterator over rows on Columns or Tables. Two new methods provide a faster access to the rows, instead of creating an Integer object at each invocation.

Version:

$Revision: 1.7 $

Author:

Jean-Daniel Fekete

Method Summary

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

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Method Detail

nextRow

int nextRow()

Returns the next row after incrementing the iterator.

Returns:

the next row.

peekRow

int peekRow()

Returns the next row without incrementing the iterator.

Returns:

the next row.

copy

RowIterator copy()

Clone myself with the right type returned.

Returns:

a copy of myself.