de.unknownreality.dataframe.group

Class GroupValueComparator

java.lang.Object

de.unknownreality.dataframe.group.GroupValueComparator

All Implemented Interfaces:

Comparator<DataGroup>

public class GroupValueComparator
extends Object
implements Comparator<DataGroup>

Created by Alex on 09.03.2016.

Constructor Summary

Constructors

Constructor and Description
GroupValueComparator(SortColumn[] sortColumns) Creates a comparator for data groups using specified sort columns Sort column specify the group values used for sorting

Method Summary

Modifier and Type	Method and Description
int	compare(DataGroup r1, DataGroup r2) compares two data groups using the specified sort columns.

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

GroupValueComparator

public GroupValueComparator(SortColumn[] sortColumns)

Creates a comparator for data groups using specified sort columns Sort column specify the group values used for sorting

Parameters:

sortColumns - sort columns

Method Detail

compare

public int compare(DataGroup r1,
                   DataGroup r2)

compares two data groups using the specified sort columns.

Specified by:

compare in interface Comparator<DataGroup>

Parameters:

r1 - first data group

r2 - second data group

Returns:

comparison result