de.erichseifert.gral.data.comparators

Class Ascending

java.lang.Object

de.erichseifert.gral.data.comparators.DataComparator

de.erichseifert.gral.data.comparators.Ascending

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<Record>

public class Ascending
extends DataComparator

Class that represents a DataComparator for comparing two records at a defined index for ascending order.

See Also:

DataTable.sort(DataComparator...), Serialized Form

Constructor Summary

Constructors

Constructor and Description
Ascending(int col) Creates a new Ascending object for sorting according to the specified column.

Method Summary

Modifier and Type	Method and Description
int	compare(Record record1, Record record2) Compares the values of two records at the specified column for order and returns a corresponding integer:

Methods inherited from class de.erichseifert.gral.data.comparators.DataComparator

getColumn

Methods inherited from class java.lang.Object

equals, 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

Ascending

public Ascending(int col)

Creates a new Ascending object for sorting according to the specified column.

Parameters:

col - Column index to be compared.

Method Detail

compare

public int compare(Record record1,
                   Record record2)

Compares the values of two records at the specified column for order and returns a corresponding integer:

• a negative value means record1 is smaller than record2
• 0 means record1 is equal to record2
• a positive value means record1 is larger than record2

Parameters:

record1 - First record

record2 - Second record

Returns:

An integer number describing the order: a negative value if record1 is smaller than record2, 0 if record1 is equal to record2, a positive value if record1 is larger than record2,