at.bestsolution.framework.grid

Interface ColumnComparator<R,C>

Type Parameters:

R - the row type

C - the cell value type

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ColumnComparator<R,C>

Compare cell values

Since:

1.0

Method Summary

Modifier and Type	Method and Description
int	compare(R r1, C c1, R r2, C c2) Compare the cell value
static <R,C> ColumnComparator<R,C>	create(@NonNull java.util.Comparator<C> c) Create a comparator from a default Comparator

Method Detail

compare

int compare(R r1,
            C c1,
            R r2,
            C c2)

Compare the cell value

Parameters:

r1 - the row of value 1

c1 - the cell value 1

r2 - the row of value 2

c2 - the cell value 2

Returns:

a negative integer, zero, or a positive integer as c1 is less than, equal to, or greater than c2.

create

static <R,C> ColumnComparator<R,C> create(@NonNull java.util.Comparator<C> c)

Create a comparator from a default Comparator

Type Parameters:

R - the row type

C - the cell type

Parameters:

c - the default comparator

Returns:

a column comparator