org.axiondb.engine.rowiterators

Class FilteringRowIterator

java.lang.Object

org.axiondb.engine.rowiterators.BaseRowIterator

org.axiondb.engine.rowiterators.AbstractFilteringRowIterator

org.axiondb.engine.rowiterators.AbstractAcceptingRowIterator

org.axiondb.engine.rowiterators.FilteringRowIterator

All Implemented Interfaces:

RowIterator

Direct Known Subclasses:

FilteringChangingIndexedRowIterator

public class FilteringRowIterator
extends AbstractAcceptingRowIterator

A DelegatingRowIterator that only returns Rows that match a given WhereNode.

Version:

$Revision: 1.11 $ $Date: 2005/06/18 01:03:44 $

Constructor Summary

Constructors

Constructor and Description
FilteringRowIterator(RowIterator iterator, RowDecorator decorator, Selectable where)

Method Summary

Modifier and Type	Method and Description
protected boolean	acceptable(int rowindex, Row row) My filtering method.
java.lang.String	getShortName()
java.lang.String	toString()

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

determineNextRow, determinePreviousRow, set

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

clearNextRow, clearPreviousRow, current, currentIndex, getDelegate, hasCurrent, hasNext, hasPrevious, isNextAvailable, isPreviousAvailable, next, nextIndex, previous, previousIndex, remove, reset, setNext, setPrevious

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

add, first, isEmpty, last, next, peekNext, peekPrevious, previous, size

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteringRowIterator

public FilteringRowIterator(RowIterator iterator,
                            RowDecorator decorator,
                            Selectable where)

Method Detail

getShortName

public java.lang.String getShortName()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

acceptable

protected boolean acceptable(int rowindex,
                             Row row)
                      throws AxionException

Description copied from class: AbstractAcceptingRowIterator

My filtering method. Return true if the given Rowshould be included in the iteration, false otherwise.

Specified by:

acceptable in class AbstractAcceptingRowIterator

Throws:

AxionException