Class ClassesThenInterfacesElementKindComparator

java.lang.Object

org.microbean.assign.ClassesThenInterfacesElementKindComparator

All Implemented Interfaces:

Comparator<ElementKind>

public final class ClassesThenInterfacesElementKindComparator
extends Object
implements Comparator<ElementKind>

A Comparator establishing a partial order over ElementKinds such that classes precede interfaces.

Author:

Laird Nelson

See Also:

• compare(ElementKind, ElementKind)

Field Summary

Fields

Modifier and Type	Field	Description
static final ClassesThenInterfacesElementKindComparator	INSTANCE	The sole instance of this class.

Method Summary

Modifier and Type	Method	Description
final int	compare(ElementKind k0, ElementKind k1)	Compares the two ElementKinds and returns the result.

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

Field Details

INSTANCE

public static final ClassesThenInterfacesElementKindComparator INSTANCE

The sole instance of this class.

Method Details

compare

public final int compare(ElementKind k0,
 ElementKind k1)

Compares the two ElementKinds and returns the result.

If k0 == k1, returns 0.

If k0 is null and k1 is not, returns a positive value.

If k0 is a class and k1 is an interface, returns a negative value.

If k0 is an interface and k1 is a class, returns a positive value.

Returns 0 in all other cases.

Specified by:

compare in interface Comparator<ElementKind>

Parameters:

k0 - an ElementKind; may be null

k1 - an ElementKind; may be null

Returns:

a comparison result

See Also:

• ElementKind.isClass()
• ElementKind.isInterface()