net.sf.flatpack.ordering

Class OrderBy

java.lang.Object

net.sf.flatpack.ordering.OrderBy

All Implemented Interfaces:

Comparator<Row>

public class OrderBy
extends Object
implements Comparator<Row>

Version:

2.0

Author:

paul zepernick resorts an array of objects. Arrays get sorted by OrderElements. Right now, this class will only handle string comparisons.

Constructor Summary

Constructors

Constructor and Description
OrderBy()

Method Summary

Modifier and Type	Method and Description
void	addOrderColumn(OrderColumn oc) Adds an order element to the sort.
int	compare(Row row0, Row row1) overridden from the Comparator class.
void	setMetaData(MetaData metaData)
void	setParser(Parser parser)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

OrderBy

public OrderBy()

Method Detail

addOrderColumn

public void addOrderColumn(OrderColumn oc)

Adds an order element to the sort.

Parameters:

oc - - OrderColumn

compare

public int compare(Row row0,
                   Row row1)

overridden from the Comparator class. Performs the sort

Specified by:

compare in interface Comparator<Row>

Returns:

int

setMetaData

public void setMetaData(MetaData metaData)

Parameters:

metaData - the metaData to set

setParser

public void setParser(Parser parser)

Parameters:

parser - the parser to set