net.sf.jasperreports.crosstabs.fill.calculation

Class ArbitraryRankComparator

java.lang.Object

net.sf.jasperreports.crosstabs.fill.calculation.ArbitraryRankComparator

All Implemented Interfaces:

Comparator<Object>

public class ArbitraryRankComparator
extends Object
implements Comparator<Object>

A comparator that assigns arbitrary ranks to objects and uses the ranks to impose an arbitrary order on them.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
static String	EXCEPTION_MESSAGE_KEY_FOUND_OBJECTS_WITH_SAME_RANK
static String	EXCEPTION_MESSAGE_KEY_RANK_COMPARATOR_OVERFLOW

Constructor Summary

Constructors

Constructor and Description
ArbitraryRankComparator()

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(Object o1, Object o2)
protected long	rank(Object o)

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

equals

Field Detail

EXCEPTION_MESSAGE_KEY_FOUND_OBJECTS_WITH_SAME_RANK

public static final String EXCEPTION_MESSAGE_KEY_FOUND_OBJECTS_WITH_SAME_RANK

See Also:

Constant Field Values

EXCEPTION_MESSAGE_KEY_RANK_COMPARATOR_OVERFLOW

public static final String EXCEPTION_MESSAGE_KEY_RANK_COMPARATOR_OVERFLOW

See Also:

Constant Field Values

Constructor Detail

ArbitraryRankComparator

public ArbitraryRankComparator()

Method Detail

compare

public int compare(Object o1,
          Object o2)

Specified by:

compare in interface Comparator<Object>

rank

protected long rank(Object o)