org.kuali.rice.krad.util

Class BeanPropertyComparator

java.lang.Object

org.kuali.rice.krad.util.BeanPropertyComparator

All Implemented Interfaces:

Serializable, Comparator

public class BeanPropertyComparator
extends Object
implements Comparator, Serializable

BeanPropertyComparator compares the two beans using multiple property names

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BeanPropertyComparator.BeanComparisonException

Constructor Summary

Constructors

Constructor and Description
BeanPropertyComparator(List propertyNames) Constructs a PropertyComparator for comparing beans using the properties named in the given List
BeanPropertyComparator(List propertyNames, boolean ignoreCase) Constructs a PropertyComparator for comparing beans using the properties named in the given List.

Method Summary

Modifier and Type	Method and Description
int	compare(Object o1, Object o2) Compare two JavaBeans by the properties given to the constructor.

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

BeanPropertyComparator

public BeanPropertyComparator(List propertyNames)

Constructs a PropertyComparator for comparing beans using the properties named in the given List

if the List is null, the beans will be compared directly by Properties will be compared in the order in which they are listed. Case will be ignored in String comparisons.

Parameters:

propertyNames - List of property names (as Strings) used to compare beans

BeanPropertyComparator

public BeanPropertyComparator(List propertyNames,
                              boolean ignoreCase)

Constructs a PropertyComparator for comparing beans using the properties named in the given List.

Properties will be compared in the order in which they are listed. Case will be ignored if ignoreCase is true.

Parameters:

propertyNames - List of property names (as Strings) used to compare beans

ignoreCase - if true, case will be ignored during String comparisons

Method Detail

compare

public int compare(Object o1,
                   Object o2)

Compare two JavaBeans by the properties given to the constructor.

Specified by:

compare in interface Comparator

Parameters:

o1 - Object The first bean to get data from to compare against

o2 - Object The second bean to get data from to compare

Returns:

int negative or positive based on order