theory.smart.ebusiness.shoppingadvisor
Class QualityDegreeComparator

java.lang.Object
  |
  +--theory.smart.ebusiness.shoppingadvisor.QualityDegreeComparator

public class QualityDegreeComparator

extends java.lang.Object

implements com.sun.java.util.collections.Comparator

Compares two qualities by degree

See Also:

Quality

Method Summary

int	compare(java.lang.Object arg1, java.lang.Object arg2)
static QualityDegreeComparator	getInstance() Caches an instance of QualityDegreeComparator

Methods inherited from class java.lang.Object

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

Method Detail

compare

public int compare(java.lang.Object arg1,
                   java.lang.Object arg2)

Specified by:

compare in interface com.sun.java.util.collections.Comparator

Returns:

arg1.getDegree()-arg2.getDegree()

getInstance

public static QualityDegreeComparator getInstance()

Caches an instance of QualityDegreeComparator

Returns:

a new instance if none exist or an existing instance