org.knime.base.data.join
Class JoinedTableRowIterator
java.lang.Object
org.knime.core.data.RowIterator
org.knime.base.data.join.JoinedTableRowIterator
- All Implemented Interfaces:
- Iterator<DataRow>
class JoinedTableRowIterator
- extends RowIterator
What is worth to notice about the order: Ideally, the order in both tables is
the same. If that is not the case, the order of the left
table
is the one that counts, followed by the ones that are in the
right
table but not in the left
one.
- Author:
- Bernd Wiswedel, University of Konstanz
Method Summary |
boolean |
hasNext()
Returns true if there are more rows and false
otherwise. |
DataRow |
next()
Returns the next DataRow . |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
JoinedTableRowIterator
protected JoinedTableRowIterator(JoinedTable table)
- Creates new Iterator based on
table
.
- Parameters:
table
- the table to iterate over
- Throws:
NullPointerException
- if argument is null
hasNext
public boolean hasNext()
- Returns
true
if there are more rows and false
otherwise.
- Specified by:
hasNext
in interface Iterator<DataRow>
- Specified by:
hasNext
in class RowIterator
- Returns:
true
if the iterator has more elements, otherwise
false
- See Also:
RowIterator.next()
next
public DataRow next()
- Returns the next
DataRow
.
- Specified by:
next
in interface Iterator<DataRow>
- Specified by:
next
in class RowIterator
- Returns:
- the next row in the
DataTable
Copyright, 2003 - 2010. All rights reserved.
University of Konstanz, Germany.
Chair for Bioinformatics and Information Mining, Prof. Dr. Michael R. Berthold.
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