org.axiondb.engine.rowiterators

Class GroupedRowIterator

java.lang.Object

org.axiondb.engine.rowiterators.DelegatingRowIterator

org.axiondb.engine.rowiterators.GroupedRowIterator

All Implemented Interfaces:

RowIterator

public class GroupedRowIterator
extends DelegatingRowIterator

Processes a "raw" iterator to implement GROUP BY functionality.

Version:

$Revision: 1.23 $ $Date: 2005/12/20 18:32:41 $

Constructor Summary

Constructors

Constructor and Description
GroupedRowIterator(boolean sort, RowIterator rows, java.util.Map fieldMap, java.util.List groupBy, java.util.List selected, Selectable having, Selectable where, java.util.List orderBy)
GroupedRowIterator(RowIterator rows, java.util.Map fieldMap, java.util.List groupBy, java.util.List selected, Selectable having, java.util.List orderBy)

Method Summary

Modifier and Type	Method and Description
void	add(Row row) Not supported in the base implementation.
void	remove() Not supported in the base implementation.
void	set(Row row) Not supported in the base implementation.
java.lang.String	toString()

Methods inherited from class org.axiondb.engine.rowiterators.DelegatingRowIterator

current, currentIndex, first, getDelegate, hasCurrent, hasNext, hasPrevious, isEmpty, last, next, next, nextIndex, peekNext, peekPrevious, previous, previous, previousIndex, reset, setDelegate, size

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

GroupedRowIterator

public GroupedRowIterator(boolean sort,
                          RowIterator rows,
                          java.util.Map fieldMap,
                          java.util.List groupBy,
                          java.util.List selected,
                          Selectable having,
                          Selectable where,
                          java.util.List orderBy)
                   throws AxionException

Throws:

AxionException

GroupedRowIterator

public GroupedRowIterator(RowIterator rows,
                          java.util.Map fieldMap,
                          java.util.List groupBy,
                          java.util.List selected,
                          Selectable having,
                          java.util.List orderBy)
                   throws AxionException

Throws:

AxionException

Method Detail

add

public void add(Row row)
         throws AxionException

Not supported in the base implementation.

Specified by:

add in interface RowIterator

Overrides:

add in class DelegatingRowIterator

Throws:

AxionException

set

public void set(Row row)
         throws AxionException

Not supported in the base implementation.

Specified by:

set in interface RowIterator

Overrides:

set in class DelegatingRowIterator

Throws:

AxionException

remove

public void remove()
            throws AxionException

Not supported in the base implementation.

Specified by:

remove in interface RowIterator

Overrides:

remove in class DelegatingRowIterator

Throws:

AxionException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object