Package org.bremersee.comparator

Class ValueComparator

java.lang.Object

org.bremersee.comparator.ValueComparator

All Implemented Interfaces:

Comparator<Object>

public class ValueComparator
extends Object
implements Comparator<Object>

The value comparator extracts field value of the specified field name or path and uses the specified description (ascending or descending, case-sensitive or insensitive and 'null-handling') for sorting.

Author:

Christian Bremer

Constructor Summary

Constructors

Constructor	Description
ValueComparator(SortOrderItem sortOrder)	Instantiates a new value comparator.
ValueComparator(SortOrderItem sortOrder, ValueExtractor valueExtractor)	Instantiates a new value comparator.

Method Summary

Modifier and Type	Method	Description
int	compare(Object o1, Object o2)

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, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

ValueComparator

public ValueComparator(SortOrderItem sortOrder)

Instantiates a new value comparator.

Parameters:

sortOrder - the sort order

ValueComparator

public ValueComparator(SortOrderItem sortOrder,
 ValueExtractor valueExtractor)

Instantiates a new value comparator.

Parameters:

sortOrder - the sort order

valueExtractor - a custom value extractor (if it is null, a default will be used)

Method Details

compare

public int compare(Object o1,
 Object o2)

Specified by:

compare in interface Comparator<Object>