Package app.babylon.table.column

Class ColumnsComparator

java.lang.Object

app.babylon.table.column.ColumnsComparator

All Implemented Interfaces:

Comparator<Integer>

public class ColumnsComparator
extends Object
implements Comparator<Integer>

Row comparator that compares table rows by a sequence of columns.

Constructor Summary

Constructors

Constructor	Description
ColumnsComparator(TableColumnar table, ColumnName... x)	Creates a comparator over the supplied table columns.

Method Summary

Modifier and Type	Method	Description
int	compare(Integer o1, Integer o2)
int	compareRows(int row1, int row2)	Compares two row indexes.

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

ColumnsComparator

public ColumnsComparator(TableColumnar table,
 ColumnName... x)

Creates a comparator over the supplied table columns.

Parameters:

table - source table

x - columns to compare in order

Method Details

compareRows

public int compareRows(int row1,
 int row2)

Compares two row indexes.

Parameters:

row1 - first row index

row2 - second row index

Returns:

comparison result

compare

public int compare(Integer o1,
 Integer o2)

Specified by:

compare in interface Comparator<Integer>