org.knime.base.data.join
Class JoinedTableRowIterator

java.lang.Object
  extended by org.knime.core.data.RowIterator
      extended by 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

Constructor Summary
protected JoinedTableRowIterator(JoinedTable table)
          Creates new Iterator based on table.
 
Method Summary
 boolean hasNext()
          Returns true if there are more rows and false otherwise.
 DataRow next()
          Returns the next DataRow.
 
Methods inherited from class org.knime.core.data.RowIterator
remove
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JoinedTableRowIterator

protected JoinedTableRowIterator(JoinedTable table)
Creates new Iterator based on table.

Parameters:
table - the table to iterate over
Throws:
NullPointerException - if argument is null
Method Detail

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


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University of Konstanz, Germany.
Chair for Bioinformatics and Information Mining, Prof. Dr. Michael R. Berthold.
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