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

FilteringRowIterator(RowIterator iterator, RowDecorator decorator, Selectable where)

Method Summary

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