de.erichseifert.gral.data.comparators

Class DataComparator

java.lang.Object

de.erichseifert.gral.data.comparators.DataComparator

All Implemented Interfaces:

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

Direct Known Subclasses:

Ascending, Descending

public abstract class DataComparator
extends java.lang.Object
implements java.util.Comparator<Record>, java.io.Serializable

Abstract implementation of a Comparator for Record objects. This class allows to specify the index at which the records should be compared.

See Also:

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

Constructor Summary

Constructors

Constructor and Description
DataComparator(int col) Constructor.

Method Summary

Modifier and Type	Method and Description
int	getColumn() Returns the column to be compared.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

compare, comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

DataComparator

public DataComparator(int col)

Constructor.

Parameters:

col - index of the column to be compared

Method Detail

getColumn

public int getColumn()

Returns the column to be compared.

Returns:

column index